Freescale Semiconductor, Inc.
General Description
Pin Functions
1.7.7 Output Compare Pin (TCMP)
The TCMP pin is the output compare pin for the on-chip
capture/compare timer. See Section 8. Capture/Compare Timer.
1.7.8 Port A I/O Pins (PA7–PA0)
These eight I/O lines comprise port A, a general-purpose, bidirectional
I/O port. The pins are programmable as either inputs or outputs under
software control of the data direction registers. See 7.3 Port A.
1.7.9 Port B I/O Pins (PB7–PB0)
These eight I/O pins comprise port B, a general-purpose, bidirectional
I/O port. The pins are programmable as either inputs or outputs under
software control of the data direction registers. Port B pins also can be
configured to function as external interrupts. See 7.4 Port B.
1.7.10 Port C I/O Pins (PC7–PC0)
These eight I/O pins comprise port C, a general-purpose, bidirectional
I/O port. The pins are programmable as either inputs or outputs under
software control of the data direction registers. PC7 has a high current
sink and source capability. See 7.5 Port C.
1.7.11 Port D I/O Pins (PD7 and PD5–PD0)
These seven lines comprise port D, a fixed input port. All special
functions that are enabled (SPI and SCI) affect this port. See 7.6 Port D.
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data
General Description
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