M16C1N Datasheet, PDF (171/238 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES

M16C/1N Group
17. Programmable I/O Ports
P45
Pull-up selection
Direction register
Data bus
Port latch
Input to respective peripheral functions
Digital
filter
P47
Pull-up selection
Direction register
Data bus
Port latch
P46
Data bus
Pull-up selection
Direction register
"1"
Port latch
output
(Note 1)
(Note 1)
fc
Rf
Rd
(Note 1)
Note 1:
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Figure 17.4 Programmable I/O ports (4)
Rev.1.00 Oct 20, 2004 page 159 of 222
REJ09B0007-0100Z