r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 673

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

Legend:
×: Don’t care
: Pin is not used by the SSU (can be used as I/O port)
• PF0/WAIT-A/ADTRG0-B/SCS0-C/OE-A (H8S/2424 Group)
• Modes 1, 2, 4, and 7 (EXPE = 1)
SSUMS
MSS
CSS1
CSS0
Pin state
OEE
RMTS2 to
RMTS0
WAITE
SSU settings
PF0DDR
Pin function
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, bit WAITE in BCR of the bus controller, bit OEE in DRAMCR, bits MSS,
CSS1, and CSS0 in SSCRH and bit SSUMS in SSCRL of the SSU, bits TRGS1, TRGS0, and
EXTRGS in ADCR_0 of the ADC, bit OES in PFCR2, bits ADTRG0S and WAITS in PFCR4,
bits SCS0S1 and SCS0S0 in PFCR5, and bit PF0DDR.
Can be used as
input
PF0
0
I/O port
Input
output
PF0
0
×
×
1
0
SCS0-C
input*
Input
state

0
0
2

0
SCS0-C
output*
Output
state

4
0
WAIT-A
input*


1
Input
ADTRG0-B input*
1
3
SCS pin settings
0
Can be used as
input
PF0
0
I/O port
1
Automatic I/O
Rev. 1.00 Sep. 19, 2008 Page 645 of 1270
output
PF0
1
1
0
0
SCS0-C
input*
Input
state

1
0
2
1
Output
SCS0-C
output*
Output
state
1

Section 10 I/O Ports
4
REJ09B0466-0100
WAIT-A
input*


1
3

1
×
×
×
Areas 2
to 5 are
DRAM
output
space
OE-A


