r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 620

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

Section 10 I/O Ports
• Mode 7 (EXPE = 0)
A23E
CS7E*
SSU settings
PA7DDR
Pin function
Notes: 1. IRQ7-A input when the ITS7 bit in ITSR is 0.
SSUMS
BIDE
MSS
TE
RE
Pin state
Legend:
: Pin is not used by the SSU (can be used as I/O port)
Rev. 1.00 Sep. 19, 2008 Page 592 of 1270
REJ09B0466-0100
4
2. SSO0-B input when SSO0S1 and SSO0S0 = B'01 in PFCR5, and SSUMS, BIDE, MSS,
3. SSO0-B output when SSO0S1 and SSO0S0 = B'01 in PFCR5, and SSUMS, BIDE,
4. Supported only by the H8S/2424 Group and not supported by the H8S/2426 and
Input
0
1
TE, and RE = B'000×1 or B'01×01.
MSS, TE, and RE = B'001××, B'0101×, or B'10×1×.
H8S/2426R Groups.

0
0
1
Input
PA7 input
1
0
0
0

Can be used as
0
1
Output Output Input Output Input Output  Output Output 
I/O port
0
1
1
PA7 output
1
1
0
1
IRQ7-A interrupt input*
SSO pin settings
0
1
0
0
1
SSO0-B input*
0
1

0
Input state
1
1
0
0
0
1
1
2
0
0
1
SSO0-B output*
1
Output state
1
0
0
1

Output Output
0
1
1
3
1