r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 540

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 I/O Ports
SSUMS
BIDE
MSS
TE
RE
Pin
state
Legend:
: Pin is not used by the SSU (can be used as I/O port)
• P14/PO12/TIOCA1/SSO0-A
SSU settings
TPU channel 1
settings
P14DDR
NDER12
Pin function
Rev. 1.00 Sep. 19, 2008 Page 510 of 1342
REJ09B0467-0100
The pin function is switched as shown below according to the combination of TPU channel 1
settings (by bits MD3 to MD0 in TMDR_1, bits IOA3 to IOA0 in TIOR_1, and bits CCLR1
and CCLR0 in TCR_1), bit NDER12 in NDERH of PPG, bits MSS and BIDE in SSCRH, bit
SSUMS in SSCRL, and bits TE and RE in SSER of SSU, bits SSO0S1 and SSO0S0 in
PFCR5, and bit P14DDR.
 Output Output Input  Input
0
1
0
0
(1) in table
TIOCA1
1
output
below


1
0
0
0
1
Can be used as I/O port
0
1
input
P14

0
1
1
(2) in table below
TIOCA1 input *

0
1
SSI pin settings
output
0
P14

1
0
1
0
0
1

0
1
1
PO12 output
1

1
0
1
1
Input
0
1

0
0
Input state
SSO0-A
input*
1
Input Input
0
1
3
1
0
0
1


Output state
SSO0-A
output*

1
0

1
Input
1
4