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Rev. 1.00, 05/04, page 96 of 544
Table 7.1 Port Functions
Port Description Mode 2and Mode 3 I/O Status
Port 1 General I/O port also
functioning as PWM
output pins
P17/PW7
P16/PW6
P15/PW5
P14/PW4
P13/PW3
P12/PW2
P11/PW1
P10/PW0
On-chip input pull-
up MOSs
Port 2 General I/O port P27
P26
P25
P24
P23
P22
P21
P20
On-chip input pull-
up MOSs
Port 3 General I/O port also
functioning as LPC
input/output pins
P37/SERIRQ
P36/LCLK
P35/LRESET
P34/LFRAME
P33/LAD3
P32/LAD2
P31/LAD1
P30/LAD0
On-chip input pull-
up MOSs
Port 4 General I/O port also
functioning as TMR_0 and
TMR_1 input/output, and
IIC_1 input/output pins
P47
P46
P45/TMRI1
P44/TMO1
P43/TMCI1
P42/TMRI0/SDA1
P41/TMO0
P40/TMCI0
Port 5 General I/O port also
functioning as SCI_1
input/output and IIC_0
input/output pins
P52/ExSCK1*/SCL0
P51/ExRxD1*
P50/ExTxD1*