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TMP92CM22
2007-02-16
92CM22-68
(3) PC3 (INT0)
In addition to function as I/O port, port PC3 can also function as external interrupt
pin INT0.
Figure 3.5.20 Port C (PC3)
Internal data bus
Direction control
(on bit basis)
Reset
PCCR write
PC read
PC read
PC3 (INT0)
Function control
(on bit basis)
PCFC write
S
Output latch
S
B
Selector
A
Select level/edge
and
Select rising/falling
IIMC<I0LE, I0EDGE>
INT0