M16C26A Datasheet, PDF (237/352 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/26A Group (M16C/26A, M16C/26B, M16C/26T)
16. Programmable I/O Ports
P63, P67
Data bus
Pull-up selection
Direction register
“1”
Port latch
Output
Switching between CMOS and Nch
Pull-up selection
P85
NMI Enable
Direction register
Data bus
Port latch
NMI Interrupt Input
NMI Enable
SD
Digital Debounce
P91, P92,
P104 to P107
Data bus
Pull-up selection
Direction register
Port latch
Analog input
Input to respective peripheral functions
NOTE:
1.
symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed Vcc.
Figure 16.3. I/O Ports (3)
(1)
(1)
(1)
Rev. 2.00 Feb.15, 2007 ^{page 220} of 329
REJ09B0202-0200