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Elphel
x393
Commits
c505535c
Commit
c505535c
authored
May 30, 2015
by
Andrey Filippov
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added wrappers for block RAM in TDP mode (each port with R+W)
parent
4aceda5f
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ramt_var_w_var_r.v
wrap/ramt_var_w_var_r.v
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ramtp_var_w_var_r.v
wrap/ramtp_var_w_var_r.v
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c505535c
/*******************************************************************************
* Module: ramt_var_w_var_r
* Date:2015-05-29
* Author: andrey
* Description: Dual port memory wrapper, with variable width write and variable
* width read, using "TDP" mode of RAMB36E1. Same R/W widths in each port.
* Does not use parity bits to increase total data width, width down to 1 are valid.
*
* Copyright (c) 2015 <set up in Preferences-Verilog/VHDL Editor-Templates> .
* ramt_var_w_var_r.v is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ramt_var_w_var_r.v is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/> .
*******************************************************************************/
`timescale
1
ns
/
1
ps
/*
Address/data widths
Connect unused data to 1b0, unused addresses - to 1'b1
RAMB18E1 in True Dual Port (TDP) Mode - each port individually
+-----------+---------+---------+---------+
|Data Width | Address | Data | Parity |
+-----------+---------+---------+---------+
| 1 | A[13:0] | D[0] | --- |
| 2 | A[13:1] | D[1:0] | --- |
| 4 | A[13:2] | D[3:0[ | --- |
| 9 | A[13:3] | D[7:0] | DP[0] |
| 18 | A[13:4] | D[15:0] | DP[1:0] |
+-----------+---------+---------+---------+
RAMB18E1 in Simple Dual Port (SDP) Mode
one of the ports (r or w) - 32/36 bits, other - variable
+------------+---------+---------+---------+
|Data Widths | Address | Data | Parity |
+------------+---------+---------+---------+
| 32/ 1 | A[13:0] | D[0] | --- |
| 32/ 2 | A[13:1] | D[1:0] | --- |
| 32/ 4 | A[13:2] | D[3:0[ | --- |
| 36/ 9 | A[13:3] | D[7:0] | DP[0] |
| 36/ 18 | A[13:4] | D[15:0] | DP[1:0] |
| 36/ 36 | A[13:5] | D[31:0] | DP[3:0] |
+------------+---------+---------+---------+
RAMB36E1 in True Dual Port (TDP) Mode - each port individually
+-----------+---------+---------+---------+
|Data Width | Address | Data | Parity |
+-----------+---------+---------+---------+
| 1 | A[14:0] | D[0] | --- |
| 2 | A[14:1] | D[1:0] | --- |
| 4 | A[14:2] | D[3:0[ | --- |
| 9 | A[14:3] | D[7:0] | DP[0] |
| 18 | A[14:4] | D[15:0] | DP[1:0] |
| 36 | A[14:5] | D[31:0] | DP[3:0] |
|1(Cascade) | A[15:0] | D[0] | --- |
+-----------+---------+---------+---------+
RAMB36E1 in Simple Dual Port (SDP) Mode
one of the ports (r or w) - 64/72 bits, other - variable
+------------+---------+---------+---------+
|Data Widths | Address | Data | Parity |
+------------+---------+---------+---------+
| 64/ 1 | A[14:0] | D[0] | --- |
| 64/ 2 | A[14:1] | D[1:0] | --- |
| 64/ 4 | A[14:2] | D[3:0[ | --- |
| 64/ 9 | A[14:3] | D[7:0] | DP[0] |
| 64/ 18 | A[14:4] | D[15:0] | DP[1:0] |
| 64/ 36 | A[14:5] | D[31:0] | DP[3:0] |
| 64/ 72 | A[14:6] | D[63:0] | DP[7:0] |
+------------+---------+---------+---------+
*/
module
ramt_var_w_var_r
#(
parameter
integer
REGISTERS_A
=
0
,
// 1 - registered output
parameter
integer
REGISTERS_B
=
0
,
// 1 - registered output
parameter
integer
LOG2WIDTH_A
=
5
,
// WIDTH= 9 << (LOG2WIDTH - 3)
parameter
integer
LOG2WIDTH_B
=
5
// WIDTH= 9 << (LOG2WIDTH - 3)
)(
input
clk_a
,
// clock for port A
input
[
14
-
LOG2WIDTH_A
:
0
]
addr_a
,
// address port A
input
en_a
,
// enable port A (read and write)
input
regen_a
,
// output register enable port A
input
we_a
,
// write port enable port A
output
[(
1
<<
LOG2WIDTH_A
)
-
1
:
0
]
data_out_a
,
// data out port A
input
[(
1
<<
LOG2WIDTH_A
)
-
1
:
0
]
data_in_a
,
// data in port A
input
clk_b
,
// clock for port BA
input
[
14
-
LOG2WIDTH_B
:
0
]
addr_b
,
// address port B
input
en_b
,
// read enable port B
input
regen_b
,
// output register enable port B
input
we_b
,
// write port enable port B
output
[(
1
<<
LOG2WIDTH_B
)
-
1
:
0
]
data_out_b
,
// data out port B
input
[(
1
<<
LOG2WIDTH_B
)
-
1
:
0
]
data_in_b
// data in port B
)
;
localparam
PWIDTH_A
=
(
LOG2WIDTH_A
>
2
)
?
(
9
<<
(
LOG2WIDTH_A
-
3
))
:
(
1
<<
LOG2WIDTH_A
)
;
localparam
PWIDTH_B
=
(
LOG2WIDTH_B
>
2
)
?
(
9
<<
(
LOG2WIDTH_B
-
3
))
:
(
1
<<
LOG2WIDTH_B
)
;
localparam
WIDTH_A
=
1
<<
LOG2WIDTH_A
;
localparam
WIDTH_B
=
1
<<
LOG2WIDTH_B
;
wire
[
31
:
0
]
data_out32_a
;
assign
data_out_a
=
data_out32_a
[
WIDTH_A
-
1
:
0
]
;
wire
[
31
:
0
]
data_out32_b
;
assign
data_out_b
=
data_out32_b
[
WIDTH_B
-
1
:
0
]
;
wire
[
WIDTH_A
+
31
:
0
]
data_in_ext_a
=
{
32'b0
,
data_in_a
[
WIDTH_A
-
1
:
0
]
};
wire
[
31
:
0
]
data_in32_a
=
data_in_ext_a
[
31
:
0
]
;
wire
[
WIDTH_B
+
31
:
0
]
data_in_ext_b
=
{
32'b0
,
data_in_b
[
WIDTH_B
-
1
:
0
]
};
wire
[
31
:
0
]
data_in32_b
=
data_in_ext_b
[
31
:
0
]
;
RAMB36E1
#(
.
RSTREG_PRIORITY_A
(
"RSTREG"
)
,
// Valid: "RSTREG" or "REGCE"
.
RSTREG_PRIORITY_B
(
"RSTREG"
)
,
// Valid: "RSTREG" or "REGCE"
.
DOA_REG
(
REGISTERS_A
)
,
// Valid: 0 (no output registers) and 1 - one output register (in SDP - to lower 36)
.
DOB_REG
(
REGISTERS_B
)
,
// Valid: 0 (no output registers) and 1 - one output register (in SDP - to lower 36)
.
RAM_EXTENSION_A
(
"NONE"
)
,
// Cascading, valid: "NONE","UPPER", LOWER"
.
RAM_EXTENSION_B
(
"NONE"
)
,
// Cascading, valid: "NONE","UPPER", LOWER"
.
READ_WIDTH_A
(
PWIDTH_A
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
READ_WIDTH_B
(
PWIDTH_B
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
WRITE_WIDTH_A
(
PWIDTH_A
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
WRITE_WIDTH_B
(
PWIDTH_B
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
RAM_MODE
(
"TDP"
)
,
// Valid "TDP" (true dual-port) and "SDP" - simple dual-port
.
WRITE_MODE_A
(
"WRITE_FIRST"
)
,
// Valid: "WRITE_FIRST", "READ_FIRST", "NO_CHANGE"
.
WRITE_MODE_B
(
"WRITE_FIRST"
)
,
// Valid: "WRITE_FIRST", "READ_FIRST", "NO_CHANGE"
.
RDADDR_COLLISION_HWCONFIG
(
"DELAYED_WRITE"
)
,
// Valid: "DELAYED_WRITE","PERFORMANCE" (no access to the same page)
.
SIM_COLLISION_CHECK
(
"ALL"
)
,
// Valid: "ALL", "GENERATE_X_ONLY", "NONE", and "WARNING_ONLY"
.
INIT_FILE
(
"NONE"
)
,
// "NONE" or filename with initialization data
.
SIM_DEVICE
(
"7SERIES"
)
,
// Simulation device family - "VIRTEX6", "VIRTEX5" and "7_SERIES" // "7SERIES"
.
EN_ECC_READ
(
"FALSE"
)
,
// Valid:"FALSE","TRUE" (ECC decoder circuitry)
.
EN_ECC_WRITE
(
"FALSE"
)
// Valid:"FALSE","TRUE" (ECC decoder circuitry)
// .INIT_A(36'h0), // Output latches initialization data
// .INIT_B(36'h0), // Output latches initialization data
// .SRVAL_A(36'h0), // Output latches initialization data (copied at when RSTRAM/RSTREG activated)
// .SRVAL_B(36'h0) // Output latches initialization data (copied at when RSTRAM/RSTREG activated)
/*
parameter IS_CLKARDCLK_INVERTED = 1'b0;
parameter IS_CLKBWRCLK_INVERTED = 1'b0;
parameter IS_ENARDEN_INVERTED = 1'b0;
parameter IS_ENBWREN_INVERTED = 1'b0;
parameter IS_RSTRAMARSTRAM_INVERTED = 1'b0;
parameter IS_RSTRAMB_INVERTED = 1'b0;
parameter IS_RSTREGARSTREG_INVERTED = 1'b0;
parameter IS_RSTREGB_INVERTED = 1'b0;
*/
)
RAMB36E1_i
(
// Port A (Read port in SDP mode):
.
DOADO
(
data_out32_a
)
,
// Port A data/LSB data[31:0], output
.
DOPADOP
()
,
// Port A parity/LSB parity[3:0], output
.
DIADI
(
data_in32_a
)
,
// Port A data/LSB data[31:0], input
.
DIPADIP
(
4'b0
)
,
// Port A parity/LSB parity[3:0], input
.
ADDRARDADDR
(
{
1'b1
,
addr_a
,{
LOG2WIDTH_A
{
1'b1
}}}
)
,
// Port A (read port in SDP) address [15:0]. used from [14] down, unused should be high, input
.
CLKARDCLK
(
clk_a
)
,
// Port A (read port in SDP) clock, input
.
ENARDEN
(
en_a
)
,
// Port A (read port in SDP) Enable, input
.
REGCEAREGCE
(
regen_a
)
,
// Port A (read port in SDP) register enable, input
.
RSTRAMARSTRAM
(
1'b0
)
,
// Port A (read port in SDP) set/reset, input
.
RSTREGARSTREG
(
1'b0
)
,
// Port A (read port in SDP) register set/reset, input
.
WEA
(
{
4
{
we_a
}}
)
,
// Port A (read port in SDP) Write Enable[3:0], input
// Port B
.
DOBDO
(
data_out32_b
)
,
// Port B data/MSB data[31:0], output
.
DOPBDOP
()
,
// Port B parity/MSB parity[3:0], output
.
DIBDI
(
data_in32_b
)
,
// Port B data/MSB data[31:0], input
.
DIPBDIP
(
4'b0
)
,
// Port B parity/MSB parity[3:0], input
.
ADDRBWRADDR
(
{
1'b1
,
addr_b
,{
LOG2WIDTH_B
{
1'b1
}}}
)
,
// Port B (write port in SDP) address [15:0]. used from [14] down, unused should be high, input
.
CLKBWRCLK
(
clk_b
)
,
// Port B (write port in SDP) clock, input
.
ENBWREN
(
en_b
)
,
// Port B (write port in SDP) Enable, input
.
REGCEB
(
regen_b
)
,
// Port B (write port in SDP) register enable, input
.
RSTRAMB
(
1'b0
)
,
// Port B (write port in SDP) set/reset, input
.
RSTREGB
(
1'b0
)
,
// Port B (write port in SDP) register set/reset, input
.
WEBWE
(
{
4'b0
,{
4
{
we_b
}}}
)
,
// Port B (write port in SDP) Write Enable[7:0], input
// Error correction circuitry
.
SBITERR
()
,
// Single bit error status, output
.
DBITERR
()
,
// Double bit error status, output
.
ECCPARITY
()
,
// Genearted error correction parity [7:0], output
.
RDADDRECC
()
,
// ECC read address[8:0], output
.
INJECTSBITERR
(
1'b0
)
,
// inject a single-bit error, input
.
INJECTDBITERR
(
1'b0
)
,
// inject a double-bit error, input
// Cascade signals to create 64Kx1
.
CASCADEOUTA
()
,
// A-port cascade, output
.
CASCADEOUTB
()
,
// B-port cascade, output
.
CASCADEINA
(
1'b0
)
,
// A-port cascade, input
.
CASCADEINB
(
1'b0
)
// B-port cascade, input
)
;
endmodule
wrap/ramtp_var_w_var_r.v
0 → 100644
View file @
c505535c
/*******************************************************************************
* Module: ramtp_var_w_var_r
* Date:2015-05-29
* Author: andrey
* Description: Dual port memory wrapper, with variable width write and variable
* width read, using "TDP" mode of RAMB36E1. Same R/W widths in each port.
* Uses parity bits to increase total data width. Widths down to 9 are valid.
*
* Copyright (c) 2015 <set up in Preferences-Verilog/VHDL Editor-Templates> .
* ramtp_var_w_var_r.v is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ramtp_var_w_var_r.v is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/> .
*******************************************************************************/
`timescale
1
ns
/
1
ps
/*
Address/data widths
Connect unused data to 1b0, unused addresses - to 1'b1
RAMB18E1 in True Dual Port (TDP) Mode - each port individually
+-----------+---------+---------+---------+
|Data Width | Address | Data | Parity |
+-----------+---------+---------+---------+
| 1 | A[13:0] | D[0] | --- |
| 2 | A[13:1] | D[1:0] | --- |
| 4 | A[13:2] | D[3:0[ | --- |
| 9 | A[13:3] | D[7:0] | DP[0] |
| 18 | A[13:4] | D[15:0] | DP[1:0] |
+-----------+---------+---------+---------+
RAMB18E1 in Simple Dual Port (SDP) Mode
one of the ports (r or w) - 32/36 bits, other - variable
+------------+---------+---------+---------+
|Data Widths | Address | Data | Parity |
+------------+---------+---------+---------+
| 32/ 1 | A[13:0] | D[0] | --- |
| 32/ 2 | A[13:1] | D[1:0] | --- |
| 32/ 4 | A[13:2] | D[3:0[ | --- |
| 36/ 9 | A[13:3] | D[7:0] | DP[0] |
| 36/ 18 | A[13:4] | D[15:0] | DP[1:0] |
| 36/ 36 | A[13:5] | D[31:0] | DP[3:0] |
+------------+---------+---------+---------+
RAMB36E1 in True Dual Port (TDP) Mode - each port individually
+-----------+---------+---------+---------+
|Data Width | Address | Data | Parity |
+-----------+---------+---------+---------+
| 1 | A[14:0] | D[0] | --- |
| 2 | A[14:1] | D[1:0] | --- |
| 4 | A[14:2] | D[3:0[ | --- |
| 9 | A[14:3] | D[7:0] | DP[0] |
| 18 | A[14:4] | D[15:0] | DP[1:0] |
| 36 | A[14:5] | D[31:0] | DP[3:0] |
|1(Cascade) | A[15:0] | D[0] | --- |
+-----------+---------+---------+---------+
RAMB36E1 in Simple Dual Port (SDP) Mode
one of the ports (r or w) - 64/72 bits, other - variable
+------------+---------+---------+---------+
|Data Widths | Address | Data | Parity |
+------------+---------+---------+---------+
| 64/ 1 | A[14:0] | D[0] | --- |
| 64/ 2 | A[14:1] | D[1:0] | --- |
| 64/ 4 | A[14:2] | D[3:0[ | --- |
| 64/ 9 | A[14:3] | D[7:0] | DP[0] |
| 64/ 18 | A[14:4] | D[15:0] | DP[1:0] |
| 64/ 36 | A[14:5] | D[31:0] | DP[3:0] |
| 64/ 72 | A[14:6] | D[63:0] | DP[7:0] |
+------------+---------+---------+---------+
*/
module
ramtp_var_w_var_r
#(
parameter
integer
REGISTERS_A
=
0
,
// 1 - registered output
parameter
integer
REGISTERS_B
=
0
,
// 1 - registered output
parameter
integer
LOG2WIDTH_A
=
5
,
// WIDTH= 9 << (LOG2WIDTH - 3)
parameter
integer
LOG2WIDTH_B
=
5
// WIDTH= 9 << (LOG2WIDTH - 3)
)(
input
clk_a
,
// clock for port A
input
[
14
-
LOG2WIDTH_A
:
0
]
addr_a
,
// address port A
input
en_a
,
// enable port A (read and write)
input
regen_a
,
// output register enable port A
input
we_a
,
// write port enable port A
output
[(
9
<<
(
LOG2WIDTH_A
-
3
))
-
1
:
0
]
data_out_a
,
// data out port A
input
[(
9
<<
(
LOG2WIDTH_A
-
3
))
-
1
:
0
]
data_in_a
,
// data in port A
input
clk_b
,
// clock for port BA
input
[
14
-
LOG2WIDTH_B
:
0
]
addr_b
,
// address port B
input
en_b
,
// read enable port B
input
regen_b
,
// output register enable port B
input
we_b
,
// write port enable port B
output
[(
9
<<
(
LOG2WIDTH_B
-
3
))
-
1
:
0
]
data_out_b
,
// data out port B
input
[(
9
<<
(
LOG2WIDTH_B
-
3
))
-
1
:
0
]
data_in_b
// data in port B
)
;
localparam
PWIDTH_A
=
(
LOG2WIDTH_A
>
2
)
?
(
9
<<
(
LOG2WIDTH_A
-
3
))
:
(
1
<<
LOG2WIDTH_A
)
;
localparam
PWIDTH_B
=
(
LOG2WIDTH_B
>
2
)
?
(
9
<<
(
LOG2WIDTH_B
-
3
))
:
(
1
<<
LOG2WIDTH_B
)
;
localparam
WIDTH_A
=
1
<<
LOG2WIDTH_A
;
localparam
WIDTH_AP
=
1
<<
(
LOG2WIDTH_A
-
3
)
;
localparam
WIDTH_B
=
1
<<
LOG2WIDTH_B
;
localparam
WIDTH_BP
=
1
<<
(
LOG2WIDTH_B
-
3
)
;
wire
[
31
:
0
]
data_out32_a
;
wire
[
3
:
0
]
datap_out4_a
;
assign
data_out_a
={
datap_out4_a
[
WIDTH_AP
-
1
:
0
]
,
data_out32_a
[
WIDTH_A
-
1
:
0
]
};
wire
[
31
:
0
]
data_out32_b
;
wire
[
3
:
0
]
datap_out4_b
;
assign
data_out_b
={
datap_out4_b
[
WIDTH_BP
-
1
:
0
]
,
data_out32_b
[
WIDTH_B
-
1
:
0
]
};
wire
[
WIDTH_A
+
31
:
0
]
data_in_ext_a
=
{
32'b0
,
data_in_a
[
WIDTH_A
-
1
:
0
]
};
wire
[
31
:
0
]
data_in32_a
=
data_in_ext_a
[
31
:
0
]
;
wire
[
WIDTH_AP
+
3
:
0
]
datap_in_ext_a
=
{
4'b0
,
data_in_a
[
WIDTH_A
+:
WIDTH_AP
]
};
wire
[
3
:
0
]
datap_in4_a
=
datap_in_ext_a
[
3
:
0
]
;
wire
[
WIDTH_B
+
31
:
0
]
data_in_ext_b
=
{
32'b0
,
data_in_b
[
WIDTH_B
-
1
:
0
]
};
wire
[
31
:
0
]
data_in32_b
=
data_in_ext_b
[
31
:
0
]
;
wire
[
WIDTH_BP
+
3
:
0
]
datap_in_ext_b
=
{
4'b0
,
data_in_b
[
WIDTH_B
+:
WIDTH_BP
]
};
wire
[
3
:
0
]
datap_in4_b
=
datap_in_ext_b
[
3
:
0
]
;
RAMB36E1
#(
.
RSTREG_PRIORITY_A
(
"RSTREG"
)
,
// Valid: "RSTREG" or "REGCE"
.
RSTREG_PRIORITY_B
(
"RSTREG"
)
,
// Valid: "RSTREG" or "REGCE"
.
DOA_REG
(
REGISTERS_A
)
,
// Valid: 0 (no output registers) and 1 - one output register (in SDP - to lower 36)
.
DOB_REG
(
REGISTERS_B
)
,
// Valid: 0 (no output registers) and 1 - one output register (in SDP - to lower 36)
.
RAM_EXTENSION_A
(
"NONE"
)
,
// Cascading, valid: "NONE","UPPER", LOWER"
.
RAM_EXTENSION_B
(
"NONE"
)
,
// Cascading, valid: "NONE","UPPER", LOWER"
.
READ_WIDTH_A
(
PWIDTH_A
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
READ_WIDTH_B
(
PWIDTH_B
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
WRITE_WIDTH_A
(
PWIDTH_A
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
WRITE_WIDTH_B
(
PWIDTH_B
)
,
// Valid: 0,1,2,4,9,18,36 and in SDP mode - 72 (should be 0 if port is not used)
.
RAM_MODE
(
"TDP"
)
,
// Valid "TDP" (true dual-port) and "SDP" - simple dual-port
.
WRITE_MODE_A
(
"WRITE_FIRST"
)
,
// Valid: "WRITE_FIRST", "READ_FIRST", "NO_CHANGE"
.
WRITE_MODE_B
(
"WRITE_FIRST"
)
,
// Valid: "WRITE_FIRST", "READ_FIRST", "NO_CHANGE"
.
RDADDR_COLLISION_HWCONFIG
(
"DELAYED_WRITE"
)
,
// Valid: "DELAYED_WRITE","PERFORMANCE" (no access to the same page)
.
SIM_COLLISION_CHECK
(
"ALL"
)
,
// Valid: "ALL", "GENERATE_X_ONLY", "NONE", and "WARNING_ONLY"
.
INIT_FILE
(
"NONE"
)
,
// "NONE" or filename with initialization data
.
SIM_DEVICE
(
"7SERIES"
)
,
// Simulation device family - "VIRTEX6", "VIRTEX5" and "7_SERIES" // "7SERIES"
.
EN_ECC_READ
(
"FALSE"
)
,
// Valid:"FALSE","TRUE" (ECC decoder circuitry)
.
EN_ECC_WRITE
(
"FALSE"
)
// Valid:"FALSE","TRUE" (ECC decoder circuitry)
// .INIT_A(36'h0), // Output latches initialization data
// .INIT_B(36'h0), // Output latches initialization data
// .SRVAL_A(36'h0), // Output latches initialization data (copied at when RSTRAM/RSTREG activated)
// .SRVAL_B(36'h0) // Output latches initialization data (copied at when RSTRAM/RSTREG activated)
/*
parameter IS_CLKARDCLK_INVERTED = 1'b0;
parameter IS_CLKBWRCLK_INVERTED = 1'b0;
parameter IS_ENARDEN_INVERTED = 1'b0;
parameter IS_ENBWREN_INVERTED = 1'b0;
parameter IS_RSTRAMARSTRAM_INVERTED = 1'b0;
parameter IS_RSTRAMB_INVERTED = 1'b0;
parameter IS_RSTREGARSTREG_INVERTED = 1'b0;
parameter IS_RSTREGB_INVERTED = 1'b0;
*/
)
RAMB36E1_i
(
// Port A (Read port in SDP mode):
.
DOADO
(
data_out32_a
)
,
// Port A data/LSB data[31:0], output
.
DOPADOP
(
datap_out4_a
)
,
// Port A parity/LSB parity[3:0], output
.
DIADI
(
data_in32_a
)
,
// Port A data/LSB data[31:0], input
.
DIPADIP
(
datap_in4_a
)
,
// Port A parity/LSB parity[3:0], input
.
ADDRARDADDR
(
{
1'b1
,
addr_a
,{
LOG2WIDTH_A
{
1'b1
}}}
)
,
// Port A (read port in SDP) address [15:0]. used from [14] down, unused should be high, input
.
CLKARDCLK
(
clk_a
)
,
// Port A (read port in SDP) clock, input
.
ENARDEN
(
en_a
)
,
// Port A (read port in SDP) Enable, input
.
REGCEAREGCE
(
regen_a
)
,
// Port A (read port in SDP) register enable, input
.
RSTRAMARSTRAM
(
1'b0
)
,
// Port A (read port in SDP) set/reset, input
.
RSTREGARSTREG
(
1'b0
)
,
// Port A (read port in SDP) register set/reset, input
.
WEA
(
{
4
{
we_a
}}
)
,
// Port A (read port in SDP) Write Enable[3:0], input
// Port B
.
DOBDO
(
data_out32_b
)
,
// Port B data/MSB data[31:0], output
.
DOPBDOP
(
datap_out4_b
)
,
// Port B parity/MSB parity[3:0], output
.
DIBDI
(
data_in32_b
)
,
// Port B data/MSB data[31:0], input
.
DIPBDIP
(
datap_in4_b
)
,
// Port B parity/MSB parity[3:0], input
.
ADDRBWRADDR
(
{
1'b1
,
addr_b
,{
LOG2WIDTH_B
{
1'b1
}}}
)
,
// Port B (write port in SDP) address [15:0]. used from [14] down, unused should be high, input
.
CLKBWRCLK
(
clk_b
)
,
// Port B (write port in SDP) clock, input
.
ENBWREN
(
en_b
)
,
// Port B (write port in SDP) Enable, input
.
REGCEB
(
regen_b
)
,
// Port B (write port in SDP) register enable, input
.
RSTRAMB
(
1'b0
)
,
// Port B (write port in SDP) set/reset, input
.
RSTREGB
(
1'b0
)
,
// Port B (write port in SDP) register set/reset, input
.
WEBWE
(
{
4'b0
,{
4
{
we_b
}}}
)
,
// Port B (write port in SDP) Write Enable[7:0], input
// Error correction circuitry
.
SBITERR
()
,
// Single bit error status, output
.
DBITERR
()
,
// Double bit error status, output
.
ECCPARITY
()
,
// Genearted error correction parity [7:0], output
.
RDADDRECC
()
,
// ECC read address[8:0], output
.
INJECTSBITERR
(
1'b0
)
,
// inject a single-bit error, input
.
INJECTDBITERR
(
1'b0
)
,
// inject a double-bit error, input
// Cascade signals to create 64Kx1
.
CASCADEOUTA
()
,
// A-port cascade, output
.
CASCADEOUTB
()
,
// B-port cascade, output
.
CASCADEINA
(
1'b0
)
,
// A-port cascade, input
.
CASCADEINB
(
1'b0
)
// B-port cascade, input
)
;
endmodule
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