GV-395 Virtex-II DSP Hardware Accelerator Manual
GV & Associates, Inc.
07/10/04
18
9.3
AC 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
ZBT1_A0
A31
Data Bit 0
ZBT1_D0
A12
Address Bit 1
ZBT1_A1
A30
Data Bit 1
ZBT1_D1
A11
Address Bit 2
ZBT1_A2
A28
Data Bit 2
ZBT1_D2
A9
Address Bit 3
ZBT1_A3
A29
Data Bit 3
ZBT1_D3
A7
Address Bit 4
ZBT1_A4
A26
Data Bit 4
ZBT1_D4
A6
Address Bit 5
ZBT1_A5
A24
Data Bit 5
ZBT1_D5
A5
Address Bit 6
ZBT1_A6
A23
Data Bit 6
ZBT1_D6
A4
Address Bit 7
ZBT1_A7
B32
Data Bit 7
ZBT1_D7
B12
Address Bit 8
ZBT1_A8
B31
Data Bit 8
ZBT1_D8
B11
Address Bit 9
ZBT1_A9
B30
Data Bit 9
ZBT1_D9
B10
Address Bit 10
ZBT1_A10
B28
Data Bit 10
ZBT1_D10
B9
Address Bit 11
ZBT1_A11
B29
Data Bit 11
ZBT1_D11
B8
Address Bit 12
ZBT1_A12
B27
Data Bit 12
ZBT1_D12
B7
Address Bit 13
ZBT1_A13
B24
Data Bit 13
ZBT1_D13
B6
Address Bit 14
ZBT1_A14
B23
Data Bit 14
ZBT1_D14
B5
Address Bit 15
ZBT1_A15
B22
Data Bit 15
ZBT1_D15
B4
Address Bit 16
ZBT1_A16
B21
Data Bit 16
ZBT1_D16
B3
Address Bit 17
ZBT1_A17
C33
Data Bit 17
ZBT1_D17
C2
Address Bit 18
ZBT1_A18
C28
RAM ReDA / Write
ZBT1_RW
B13
Address Bit 19
ZBT1_A19
C27
RAM Byte Write
Enable 1
ZBT1_BW1
D18
RAM Clock
ZBT1_CLK
B14
RAM Byte Write
Enable 2
ZBT1_BW2
D19
RAM Clock
Enable
ZBT1_CEN
C19
RAM Linear Burst
Order
ZBT1_LBO
D6
RAM Chip
Enable
ZBT1_CE
C18
RAM Internal
Register LoDA
ZBT1_ALD
D8
RAM Output Enable
ZBT1_OE
C6
9.3.1
AC FPGA (U12) ZBT RAM Pin Configuration Table
9.4
AC FPGA LED Configuration.
The each Virtex-II FPGA has 10 amber LEDs for general purpose use.
Signal
LED
AC FPGA Pin No.
ACLED0 D11 K21
ACLED1 D12 K20
ACLED2 D13 C22
ACLED3 D14 C23
ACLED4 D15
E21
ACLED5 D16
E22
ACLED6 D17 H21
ACLED7 D18 H20
ACLED8 D19 G20
ACLED9 D20
F20
9.4.1
AC FPGA (U12) LED Configuration Table