r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 614

• Manufacturer Part Number: r4f2456
• 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 584 of 1342
REJ09B0467-0100
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/2454 Group and not supported by the H8S/2456 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/2456R Groups.

0
0
1
PA7 input
Input
1
Can be used as
0
0
0

I/O port
0
1
Output Output Input Output Input Output
PA7 output
0
1
1
1
1
0
1
IRQ7-A interrupt input*
SSO pin settings
0
SSO0-B input*
1
0
Input state
0
1
0
1

0
0
1
1
0
2
 Output Output  Output Output
0
1
1
0
0
1
SSO0-B output*
Output state
1
1
0

0
1
0
1
1
3
1