Datasheet

Rev. 3.00, 03/04, page 180 of 830
Table 8.1 Port Functions (cont)
Port Description
Extended Mode
(EXPE = 1)
Single-Chip Mode
(EXPE = 0) I/O Status
Port 8 General I/O port also
functioning as A/D
converter external
trigger input pin,
SCI_0, SCI_1, and
SCI_2 clock
inputs/outputs,
TMR_0, TMR_1,
TMR_X, TMR_Y
inputs, and IIC_0
and IIC_1
inputs/outputs
P87/ExIRQ15/ADTRG/ExTMIY
P86/ExIRQ14/SCK2/ExTMIX
P85/ExIRQ13/SCK1/ExTMI1
P84/ExIRQ12/SCK0/ExTMI0
P83/ExIRQ11/SDA1
P82/ExIRQ10/SCL1
P81/ExIRQ9/SDA0
P80/ExIRQ8/SCL0
NMOS push-
pull outputs.
P97/WAIT/CS256 P97
P96/φ/EXCL
AS/IOS3 P95
HWR P94
RD P93
P92/CPCS1 P92
P91/AH P91
Port 9 General I/O port also
functioning as bus
control input/output,
system clock output,
and external sub-
clock input
P90/LWR P90