M16C29 Datasheet, PDF (344/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
19. 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, P97,
P104 to P107
Pull-up selection
Direction register
Data bus
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 19.3 I/O Ports (3)
(1)
(1)
(1)
Rev. 1.12 Mar.30, 2007 ^{page 320} of 458
REJ09B0101-0112