F81218
60
ISA_IRQC
LPC_GP26
O12
Default is ISA IRQ output
When in LPC mode (pin 39 PS_LPC =1), the pin becomes GPIO.
About IRQ index setting please refer to pin52
IN t5V
59
ISA_IRQD
GP27
O12
Default is ISA IRQ output
When in LPC mode (pin 39 PS_LPC =1), the pin becomes GPIO.
About IRQ index setting please refer to pin41.
ISA address bus bits 11-15.
IN t5V
ISA_A[15:11]
IN t
92~96
LPC_GP24
LPC_GP23
LPC_GP22
LPC_GP21
LPC_GP20
I/OD12
In LPC mode, these pins are all GPIO pins.
91
ISA_CS#
ISA chip select pin.
IN t
GP25
I/OD12
OUT12
In LPC mode (pin 39 PS_LPC =1), this pin is GPIO.
ISA address decoder,
98,97
ADD_DEC[1:0]#
LPC_DEC[1:0]#
OD12
When in LPC mode (pin 39 PS_LPC =1), the pin becomes LPC
to ISA address decoder.
4.2 UART Interface
Pin No. Pin Name
Type
Description
28
29
CTS6#
DSR6#
INt5V
INt5V
Clear To Send is the modem control input.
Data Set Ready. An active low signal indicates the modem or
data set is ready to establish a communication link and transfer
data to the UART.
30
31
32
RTS6#
DTR6#
SIN6
I/O8t5V-d100
I/O8t5V-d100
INt5V
UART 6 Request To Send. An active low signal informs the
modem or data set that the controller is ready to send data.
UART 6 Data Terminal Ready. An active low signal informs
the modem or data set that controller is ready to communicate.
Serial Input. Used to receive serial data through the
communication link.
-5-
August, 2007
V0.33P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
