a1440a Actel Corporation, a1440a Datasheet - Page 68

• Manufacturer Part Number: a1440a
• Description: Accelerator Series Fpgas
• Manufacturer: Actel Corporation

Pa c kag e Pin Assi gnm e nt s
257-Pin CPGA (Top View)
1-242
Notes:
1.
2.
3.
Unused I/O pins are designated as outputs by ALS and are driven low.
All unassigned pins are available for use as I/Os.
MODE should be terminated to GND through a 10K resistor to enable Actionprobe usage; otherwise it can be terminated directly to GND.
A14100 Function
CLKA or I/O
CLKB or I/O
DCLK or I/O
GND
HCLK or I/O
IOCLK or I/O
IOPCL or I/O
MODE
NC
PRA OR I/O
PRB or I/O
SDI or I/O
V
CC
G
M
C
D
H
N
R
A
B
E
K
P
V
X
Y
F
L
T
J
1
1
2
2
Location
L4
L5
E4
B16, C4, D4, D10, D16, E11, J5, K4, K16, L15, R4, T4, T10, T16, T17, X7
J16
T5
R16
A5
E5
J1
J17
B4
C3, C10, C13, C17, K3, K17, V3, V7, V10, V17, X14
3
3
4
4
(continued)
5
5
6
6
7
7
8
8
9 10 11 12 13 14 15 16 17 18 19
257-Pin
9 10 11 12 13 14 15 16 17 18 19
CPGA
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
V
X
Y