GV-395 Virtex-II DSP Hardware Accelerator Manual
GV & Associates, Inc.
07/10/04
14
8.3
ACX FPGA 256K X 16 ZBT RAM
Each Virtex-II FPGA has access to a 256K x 18 ZBT RAM. The access time for each Static RAM is 7.5
nanoseconds. Refer to the data sheet for the IDT71V3558 for more detailed information. The interconnection is
shown in the table below.
Description
Signal
Pin No.
Description
Signal
Pin No.
Address Bit 0
ZBT0_A0
A31
Data Bit 0
ZBT0_D0
A12
Address Bit 1
ZBT0_A1
A30
Data Bit 1
ZBT0_D1
A11
Address Bit 2
ZBT0_A2
A28
Data Bit 2
ZBT0_D2
A9
Address Bit 3
ZBT0_A3
A29
Data Bit 3
ZBT0_D3
A7
Address Bit 4
ZBT0_A4
A26
Data Bit 4
ZBT0_D4
A6
Address Bit 5
ZBT0_A5
A24
Data Bit 5
ZBT0_D5
A5
Address Bit 6
ZBT0_A6
A23
Data Bit 6
ZBT0_D6
A4
Address Bit 7
ZBT0_A7
B32
Data Bit 7
ZBT0_D7
B12
Address Bit 8
ZBT0_A8
B31
Data Bit 8
ZBT0_D8
B11
Address Bit 9
ZBT0_A9
B30
Data Bit 9
ZBT0_D9
B10
Address Bit 10
ZBT0_A10
B28
Data Bit 10
ZBT0_D10
B9
Address Bit 11
ZBT0_A11
B29
Data Bit 11
ZBT0_D11
B8
Address Bit 12
ZBT0_A12
B27
Data Bit 12
ZBT0_D12
B7
Address Bit 13
ZBT0_A13
B24
Data Bit 13
ZBT0_D13
B6
Address Bit 14
ZBT0_A14
B23
Data Bit 14
ZBT0_D14
B5
Address Bit 15
ZBT0_A15
B22
Data Bit 15
ZBT0_D15
B4
Address Bit 16
ZBT0_A16
B21
Data Bit 16
ZBT0_D16
B3
Address Bit 17
ZBT0_A17
C33
Data Bit 17
ZBT0_D17
C2
Address Bit 18
ZBT0_A18
C28
RAM ReDA / Write
ZBT0_RW
B13
Address Bit 19
ZBT0_A19
C27
RAM Byte Write
Enable 1
ZBT0_BW1
D18
RAM Clock
ZBT0_CLK
B14
RAM Byte Write
Enable 2
ZBT0_BW2
D19
RAM Clock
Enable
ZBT0_CEN
C19
RAM Linear Burst
Order
ZBT0_LBO
D6
RAM Chip
Enable
ZBT0_CE
C18
RAM Internal
Register LoDA
ZBT0_ALD
D8
RAM Output Enable
ZBT0_OE
C6
8.3.1
ACX FPGA (U10) ZBT RAM Pin Configuration Table
8.4
ACX FPGA LED Configuration.
The each Virtex-II FPGA has 10 amber LEDs for general purpose use.
Signal
LED
ACX FPGA Pin No.
ACXLED0 D1
K21
ACXLED1 D2
K20
ACXLED2 D3
C22
ACXLED3 D4
C23
ACXLED4 D5
E21
ACXLED5 D6
E22
ACXLED6 D7
H21
ACXLED7 D8
H20
ACXLED8 D9
G20
ACXLED9 D10
F20
8.4.1
ACX FPGA (U10) LED Configuration Table