Communication Processor Module
MOTOROLA
MPC823e REFERENCE MANUAL
16-495
PORTS
COMMUNICATION
16
PROCESSOR MODULE
16.14.9.5 PORT C INTERRUPT CONTROL REGISTER.
The 16-bit read/write port C
interrupt control (PCINT) register indicates how changes on the pin cause interrupts when
they are generated with that pin. The PCINT is cleared by reset.
Bits 0–3—Reserved.
These bits are reserved and must be set to 0.
EDM4–EDM15—Edge Detect Mode for Lines 4–15
The corresponding port C line asserts an interrupt request.
0 = Any change on PCx generates an interrupt request.
1 = High-to low change on PCx generates an interrupt request.
PCINT
BIT
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
FIELD
RESERVED EDM4 EDM5 EDM6 EDM7 EDM8 EDM9 EDM10 EDM11 EDM12 EDM13 EDM14 EDM15
RESET
0 000000000000
R/W
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
ADDR
(IMMR & 0xFFFF0000) + 0x968
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