Renesas M16C Manual Do Utilizador

Rev.1.10    Jul 01, 2005    page 230 of 318
REJ09B0124-0110

M16C/6N Group (M16C/6NK, M16C/6NM)

19. Programmable  I/O Ports

This document is under development and its contents are subject to change.

Data bus

Pull-up selection

Direction register

Port latch

Input to respective peripheral functions

Switching 
between 
CMOS and Nch

Output

"1"

Data bus

Pull-up selection

Direction register

Port latch

Switching between CMOS and Nch

Data bus

NMI interrupt input

Data bus

Direction register

Port latch

Input to respective peripheral functions

Output

"1"

NOTES:

1.

       Symbolizes a parasitic diode.

Make sure the input voltage on each port will not exceed VCC.

2.

       Symbolizes a parasitic diode.

P6_2, P6_6

P6_3, P6_7
P7_0

P7_1, P9_1

P8_5

(NOTE 1)

(NOTE 1)

(NOTE 1)

(NOTE 2)