r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 695

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

10.18.3 Port Function Control Register 2 (PFCR2)
PFCR2 enables or disables AS output, LWR output, and OE output.
Notes: 1. Not supported in the H8S/2424 Group.
Bit
7 to 4
3
2
1
0
2. PH3 becomes PF0 in the H8S/2424 Group.
Bit Name

ASOE
LWROE
OES

All 0
1
1
1
0
Initial Value
R/W

R/W
R/W
R/W

Description
Reserved
These bits are always read as 0 and cannot be
modified.
AS Output Enable
Enables or disables the AS output pin.
0: PF6 is designated as I/O port
1: PF6 is designated as AS output pin
LWR Output Enable
Enables or disables the LWR output pin.
0: PF3 is designated as I/O port
1: PF3 is designated as LWR output pin
OE Output Select
Selects the OE/CKE*
bit in DRAMCR is set to 1 (enabling OE/CKE*
output).
0: P35 is designated as OE-B/CKE-B*
1: PH3*
Reserved
This bit is always read as 0. Only the initial value
should be written to this bit.
2
is designated as OE-A/CKE-A*
Rev. 1.00 Sep. 19, 2008 Page 667 of 1270
1
output pin port when the OEE
Section 10 I/O Ports
REJ09B0466-0100
1
output pin.
1
output pin.
1