Figure 7.3-1 Block Diagram Of 8/16-Bit Timer/Counter Pin (P33/Ec/Sco); Figure 7.3-2 Block Diagram Of 8/16-Bit Timer/Counter Pin (P34/To/Int0) - Fujitsu F2MC-8L Series Hardware Manual

CHAPTER 7 8/16-BIT TIMER/COUNTER
Block Diagram of 8/16-bit Timer/Counter Pins

Figure 7.3-1 Block Diagram of 8/16-bit Timer/Counter Pin (P33/EC/SCO)

PDR (Port data register)
PDR read
PDR read
(for bit manipulation instructions)
PDR write
DDR write
SPL: Pin state specification bit in the standby control register (STBC)

Figure 7.3-2 Block Diagram of 8/16-bit Timer/Counter Pin (P34/TO/INT0)

PDR (Port data register)
PDR read
PDR read
(for bit manipulation instructions)
PDR write
DDR write
SPL: Pin state specification bit in the standby control register (STBC)
Tip:
Pins with a pull-up resistor (optional) go to the "H" level during a reset or in stop or watch
mode (SPL = "1").
164
Peripheral output
Output latch
DDR
(Port data direction register)
Stop or watch mode (SPL=1)
Timer output
Output enable
Output latch
DDR
(Port data direction register)
Stop or watch mode (SPL=1)
External clock input
Output enable
Stop or watch mode
(SPL=1)
Input buffer
External interrupt input
Input buffer
Pull-up resistor
(optional)
Approx. 50 k /5.0 V
P-ch
P-ch
Pin
N-ch P33/
EC/
SCO
Pull-up resistor
(optional)
Approx. 50 k /5.0 V
P-ch
P-ch
Pin
N-ch P34/TO/
INT0