165
Programmable Hardware Manual (PHM)
© Tibbo Technology Inc.
DI (input)
Serial data in
GPIO12
25
DO (output)
Serial data out
GPIO13
27
CLOCK (output)
Serial clock
(LOW idle state)
GPIO2
5
C/D (output)
Register selection:
HIGH - data register
LOW - control register
GPIO40
6
RFS (output)
Receive frame sync
(Active LOW)
GPIO32
30
TFS (output)
Transmit frame sync
(active LOW)
GPIO33
28
CHS0 (output)
Channel selection, bit 0
GPIO41
8
CHS1 (output)
Channel selection, bit 1
GPIO42
10
CHS2 (output)
Channel selection, bit 2
GPIO43
12
D/A converter control
For more information see
Line
Function
Correspondin
g
EM1000 I/O
IC1000 cable
line
DATA (output)
Serial data out
GPIO11
23
CLOCK
(output)
Serial clock
(LOW idle state)
GPIO1
3
WR (output)
Data latch strobe
(active LOW)
GPIO34
26
EN (output)
Output enable:
HIGH (or input*) -
disabled
LOW - enabled
GPIO35
24
*GPIO line configured as input (default state)
Relay control
For more information see
Line
Function
Corresponding
EM1000 I/O
IC1000 cable
line
RELAY1
(output)
Relay 1 control:
HIGH (or input*) - relay
off
LOW - relay on
GPIO36
22
RELAY2
(output)
Relay 2 control:
HIGH (or input*) - relay
off
LOW - relay on
GPIO37
20
*GPIO line configured as input (default state)