Table 1.Interface Pin Assignments
INTERFACE PIN ASSIGNMENT
PIN | I/O | SIGNAL | HOST SIGNAL NAME | PIN | I/O |
NO. |
| NAME |
| NO. |
|
1 | I | Reset | Host Reset | 21 | O |
2 | - | GND |
| 22 | - |
3 | I/O | HD7 | Host Data Bus BIT 7 | 23 | I |
4 | I/O | HD8 | Host Data Bus BIT 8 | 24 | - |
5 | I/O | HD6 | Host Data Bus BIT 6 | 25 | I |
|
|
|
|
|
|
6 | I/O | HD9 | Host Data Bus BIT 9 | 26 | - |
7 | I/O | HD5 | Host Data Bus BIT 5 | 27 | O |
|
|
|
|
|
|
8 | I/O | HD10 | Host Data Bus Bit 10 | 28 | - |
9 | I/O | HD4 | Host Data Bus BIT 4 | 29 | I |
10 | I/O | HD11 | Host Data Bus BIT 11 | 30 | - |
11 | I/O | HD3 | Host Data Bus BIT 3 | 31 | O |
12 | I/O | HD12 | Host Data Bus BIT 12 | 32 | O |
13 | I/O | HD2 | Host Data Bus BIT 2 | 33 | I |
14 | I/O | HD13 | Host Data Bus BIT 13 | 34 | I/O |
15 | I/O | HD1 | Host Data Bus BIT 1 | 35 | I |
16 | I/O | HD14 | Host Data Bus BIT 14 | 36 | I |
17 | I/O | HD0 | Host Data Bus BIT 0 | 37 | I |
18 | I/O | HD15 | Host Data Bus BIT 15 | 38 | I |
19 | - | GND |
| 39 | I/O |
|
|
|
|
|
|
20 | - | (KEYPIN) |
| 40 | - |
SIGNAL
NAME
HDRQ
GND
GND
HDMARDY, -
HSTROBE
GND
IORDY,
DDMARDY,-
DSTROBE
CSEL
HDAK-
GND
INTRQ
IOCS16-
HA1
PDIAG-
HA0
HA2
HCS1
HCS3
DASP-
GND
HOST SIGNAL NAME
DMA Request
Host I/O Write
Host I/O Read
I/O Channel Ready
Cable Select
DMA Acknowledge
Host Interrupt Request
Host 16 BIT I/O
Host Address Bus BIT 1
Passed Diagnostics
Host Address Bus BIT 0
Host Address Bus BIT 2
Host CHIP Select 0
Host CHIP Select 1
Drive Active/Drive 1 Present
16