ICP DAS USA I-7188XB Series, User Manual

Page: 72 / 152

CLOCKA: 40M
ARDY: This pin is left OPEN for applications that do not require
the use of wait states
INT0 and INT1: These two pins are left OPEN for that do not
require an interrupt applications
TO_0 and TO_1: These pins can be used as the timer output of
the CPU or programmable DI/O
TI_0 and TI_1: These pins can be used as the timer input of the
CPU or programmable D/I/O
DIO4, DIO9 and DIO14: Programmable DI/O bit
SCLK: The I-7188XB(D) uses this signal as a CLOCK source to
drive all onboard serial devices so it is always programmed as DO.
Changing this signal to other configurations will cause serious
errors. This signal to drive external serial can be used devices
without any side effects.
J3 pin definition and description:
No Name Description
1 A0 Address bus
2 D0 Data bus
3 A1 Address bus
4 D1 Data bus
5 A2 Address bus
6 D2 Data bus
7 A3 Address bus
8 D3 Data bus
9 A4 Address bus
10 D4 Data bus
11 A5 Address bus
12 D5 Data bus
13 A6 Address bus
14 D6 Data bus
15 A7 Address bus
16 D7 Data bus
17 INT4
Interrupt request input for channel 4 (asynchronous, active
high)
18 /WR Write strobe output (synchronous, active low)
19 /CS Chip select output (synchronous, active low)
20 /RD Read strobe output (synchronous, active low)
I-7188XB Series User’s Manual(Ver.1.0, Apr/2007, 7MH-020-10 ) ---
72