r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 665

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

• PF6/AS/AH
Note:
• PF5/RD
• PF4/HWR
Operating
mode
EXPE
ASOE
PF6DDR
Pin function
Operating
mode
EXPE
PF5DDR
Pin function
Operating
mode
EXPE
PF4DDR
Pin function
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, bit MPXE in MPXCR of the bus controller, bit ASOE in PFCR2, and bit
PF6DDR.
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, and bit PF5DDR.
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, and bit PF4DDR.
*
AH output when MPXE = 1, and AS output when MPXE = 0.
AS/AH*
output

HWR output
1
RD output
1, 2, 4
1, 2, 4




1, 2, 4
input
PF6

0
0
output
PF6
1
PF5 input
PF4 input
0
0
input
PF6
0

0
0
0
output
PF6
Rev. 1.00 Sep. 19, 2008 Page 637 of 1270
1
PF5 output
PF4 output
7
1
7
1
AS/AH*
output

1
7
Section 10 I/O Ports
input
PF6
REJ09B0466-0100
HWR output
1
0
RD output


0
1
1
output
PF6
1