Siemens Simatic box pc 627b Operating Instructions Manual page 126

Detailed descriptions
16.1 Motherboard
Compact Flash Card, X4
Compact Flash card port
Pin No.
41
7
32
34
35
20, 19, 18,
17, 16, 15, 14, 12, 11, 10, 8
21, 22, 23, 2, 3, 4, 5, 6, 47, 48, 49,
27, 28, 29, 30, 31
37
9
24
39
42
46
45
26, 25
33, 40
43
44
36
1, 50
13, 38
16-8
Abbreviation Meaning
RESET# Reset (output)
CS0# Chip select 0(output)
CS1# Chip select 1(output)
IORD# I/O read (output)
IOWR# I/O write (output)
A0-A2 Address bit 0-2 (output)
A3-A10 Address bit 3-10 (output) to ground
D0-D15 Data bits 0-15 (in/out)
INTRQ Interrupt request (input)
OE# /ATA SEL# Enables True IDE mode
IOCS16# I/O-chip select 16 (input)
CSEL# Cable select (output)
IORDY I/O ready (input)
PDIAG# Passed diagnostic
DASP# Drive active/slave present (not
connected)
CD1#, CD2# Card detect (not connected)
VS1#, VS2# Voltage sense (not connected)
DMARQ DMA request (input)
DMACK# DMA acknowledge (output)
WE# Write enable
GND Ground
VCC + 3.3V power
Operating Instructions, Release 05/2006, A5E00362052-03
SIMATIC Box PC 627