Freescale Semiconductor, Inc.
Pin Descriptions
Port signals
Table 2-1. Port signal functions
Single chip
and
bootstrap mode
Expanded multiplexed
and
special test mode
PA0/IC3
Port/bit
PA0
PA1
PA1/IC2
PA2/IC1
PA2
PA3
PA3/OC5/IC4 and/or OC1
PA4/OC4 and/or OC1
PA5/OC3 and/or OC1
PA6/OC2 and/or OC1
PA7/PAI and/or OC1
PA4
PA5
PA6
PA7
PB[7:0]
PC[7:0]
PD0
PB[7:0]
PC[7:0]
A[15:8]
D[7:0]
PD0/RXD1
PD1/TXD1
PD2/MISO
PD3/MOSI
PD4/SCK
PD5/SS
PD1
PD2
PD3
PD4
PD5
PE[7:0]
PF[7:0]
PG[6:0]
PG7
PH0
Input only or analog inputs
PF[7:0] A[7:0]
PG[6:0]
PG7/R/W
PH0/PW1
PH1/PW2
PH2/PW3
PH3/PW4
PH4/RXD2
PH5/TXD2
PH6/RXD3
PH7/TXD3
PH1
PH2
PH3
PH4
PH5
PH6
PH7
2.13.1 Port A
Port A is an 8-bit general-purpose I/O port with a data register (PORTA)
and a data direction register (DDRA). Port A pins share functions with
the 16-bit timer system (see Timing System for further information).
PORTA can be read at any time: inputs return the pin level; outputs
MC68HC11P2 — Rev 1.0
Technical Data
Pin Descriptions
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