HD64F2168 Datasheet, PDF (99/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Table 3.2 Pin Functions in Each Mode
Mode 2
Port
Normal extension
Multiplex extension
Port 1
I/O port* or Address bus output
I/O port* or Address/Data multiplex
I/O
Port 2
I/O port* or Address bus output
I/O port* or Address/Data multiplex
I/O
Port 3
I/O port* or Data bus I/O
I/O port*
Port 6
I/O port* or Data bus I/O
I/O port*
Port 9 I/O port97 I/O port* or Control signal output I/O port* or Control signal output
I/O port96 Input port* or Clock I/O
Input port* or Clock I/O
I/O port95 to I/O port* or Control signal output
I/O port93
I/O port* or Control signal output
I/O port92 I/O port* or Control signal output I/O port* or Control signal output
I/O port91 I/O port* or Control signal output I/O port* or Control signal output
I/O port90 I/O port* or Control signal output I/O port* or Control signal output
Port A
I/O port* or Address bus output
I/O port*
[Legend]
*:
After reset
Rev. 3.00, 03/04, page 59 of 830