r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 688

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 I/O Ports
Notes: 1. Not supported in the H8S/2454 Group.
10.18.4 Port Function Control Register 3 (PFCR3)
PFCR3 enables or disables DMAC activation interrupts from the USB, and switches the functions
of the PPG output pin, TPU input/output pin, and TMR input/output pin.
Rev. 1.00 Sep. 19, 2008 Page 658 of 1342
REJ09B0467-0100
Bit
0
Bit
7
6
5
Bit Name

PPGS
TPUS
2. PH3 becomes PF0 in the H8S/2454 Group.
Bit Name

Initial Value
0
Initial Value
1
0
0
R/W

R/W

R/W
R/W
Description
Reserved
This bit is always read as 0. Only the initial value
should be written to this bit.
PPG Pin Select
TPU Pin Select
Description
Reserved
This bit is always read as 1. Only the initial value
should be written to this bit.
Selects the output pins of PO5 to PO0.
0: P25/PO5-A and P20/PO0-A are selected.
1: P85/PO5-B, P52/PO4-B, P83/PO3-B, P51/PO2-
Selects the output pins of TIOCA3, TIOCB3,
TIOCC3, TIOCD3, TIOCA4, and TIOCB4.
0: P25/TIOCB4-A and P20/TIOCA3-A are selected.
1: P85/TIOCB4-B, P52/TIOCA4-B, P83/TIOCD3-B,
B, P81/PO1-B, and P50/PO0-B are selected.
P51/TIOCC3-B, P81/TIOCB3-B, and
P50/TIOCA3-B are selected.