Datasheet

Section 3 MCU Operating Modes
R01UH0309EJ0500 Rev. 5.00 Page 89 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
3.3.6 Pin Functions
Table 3.2 shows the pin functions in each operating mode.
Table 3.2 Pin Functions in Each Operating Mode
Port Mode 1 Mode 2 Mode 3 Mode 4 Mode 7
Port A PA7 to PA5 P
*
/A P
*
/A P
*
/A P
*
/A P
*
/A
PA4 to PA0 A A
Port B A A P
*
/A P
*
/A P
*
/A
Port C A A P
*
/A P
*
/A P
*
/A
Port D D D P
*
/D D P
*
/D
Port E P/D
*
P
*
/D P
*
/D P
*
/D P
*
/D
Port F PF7, PF6 P/C
*
P/C
*
P
*
/C P/C
*
P
*
/C
PF5, PF4 C C C
PF3 P/C
*
P/C
*
P/C
*
PF2 to PF0 P
*
/C P
*
/C P
*
/C
Port G PG6 to PG1 P
*
/C P
*
/C P
*
/C P
*
/C P
*
/C
PG0 P/C
*
P/C
*
Port H PH3, PH2 P
*
/C P
*
/C P
*
/C P
*
/C P
*
/C
PH1 (H8S/2456R Group) P/C
*
P/C
*
P/C
*
P/C
*
P/C
*
PH1 (H8S/2456 Group) P
*
/C P
*
/C P
*
/C P
*
/C P
*
/C
PH0 P
*
/C P
*
/C P
*
/C P
*
/C P
*
/C
[Legend]
P: I/O port
A: Address bus output
D: Data bus input/output
C: Control signals, clock input/output
*: Immediately after a reset
Note: Port H is not supported in the H8S/2454 Group.