M16C80 Datasheet, PDF (204/358 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/80 SERIES

M16C/80 Group
P82 to P84
26. Programmable I/O Ports
Pull-up selection
Direction register
Data bus
Port latch
Input to respective peripheral functions
P60, P61, P64, P65, P72, P73
P74, P75, P76, P80, P81, P90, P91
P92, P97
(inside dotted-line included)
P53, P63, P67, P86
(inside dotted-line not included)
Output from respective
peripheral functions
Data bus
Note
Function select
register A
Direction register
Pull-up selection
Port latch
P85
Input to respective peripheral functions
Note : P53 is connected to clock output function select bit.
Data bus
NMI interrupt input
P70, P71
Output from respective
peripheral functions
Data bus
Function select
register A
Direction register
Port latch
Input to respective peripheral functions
Figure 26.2 Programmable I/O ports (2)
Rev.1.00 Aug. 02, 2005 ^{Page 193} of 329
REJ09B0187-0100