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CHAPTER 8 8/16-BIT CAPTURE TIMER/COUNTER
Block Diagram for 8/16-bit Capture Timer/Counter Pins
Figure 8.3-1 Block Diagram for 8/16-bit Capture Timer/Counter Pins
Note:
When "pull-up resistor available" is selected in the pull-up setting register, the pin state in the stop
mode (SPL = 1) becomes high (pull-up state), not Hi-Z. During the reset, however, pull-up becomes
ineffective and the pin state becomes Hi-Z.
DDR
P-ch
N-ch
EC
PDR
INT10
PUL
P34/TO/INT10
P33/EC
P33/EC
P34/TO/INT10
External interrupt allowed
Internal data bus
PDR readResource inputStop mode
(SPL = 1)
Resource
output
enable
Resource output
available
Pull-up resistor
PDR read
(At read-modify-write)
Output
latch
PDR write Pin
DDR write
PUL read
PUL write
Stop mode
(SPL = 1)