Datasheet

Section 3 MCU Operating Modes
Rev. 3.00 Mar 21, 2006 page 70 of 788
REJ09B0300-0300
3.3.4 Pin Functions in Each Operating Mode
Pin functions of ports 1 to 3, 9, A, and B depend on the operating mode. Table 3.2 shows pin
functions in each operating mode.
Table 3.2 Pin Functions in Each Mode
Port Mode 1 Mode 2 Mode 3
Port 1 A P
*
/A P
*
/A
Port 2 A P
*
/A P
*
/A
Port A P P
*
/A P
Port 3 D P
*
/D P
*
/D
Port B P
*
/D P
*
/D P
*
/D
P97 P
*
/C P
*
/C P
*
/C
P96 C
*
/P P
*
/C P
*
/C
P95 to P93 C P
*
/C P
*
/C
P92, P91 P P P
Port 9
P90 P
*
/C P
*
/C P
*
/C
Port C to Port G P P P
Legend:
P: I/O port
A: Address bus output
D: Data bus I/O
C: Control signals, clock I/O
*: Immediately after reset