Renesas M16C Manual Do Utilizador

Rev.1.10    Jul 01, 2005    page 229 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.

"1"

Output

Data bus

Direction 

register

Port latch

Pull-up selection

(NOTE 1)

Input to respective peripheral functions

Switching 
between
CMOS and
Nch

(NOTE 1)

Data bus

Pull-up selection

Direction register

Port latch

Input to respective peripheral functions

Data bus

Pull-up selection

Direction register

Port latch

Input to respective peripheral functions

(NOTE 1)

NOTES:

1.

       Symbolizes a parasitic diode.

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

2. P11 to P13 are only in the 128-pin version.

P6_1, P6_5
P7_2

P8_2 to P8_4

P5_5
P7_7
P9_7
P11_0, P11_1, P11_5, P11_7 

(2)

P13_5 to P13_7 

(2)