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| H8S2426 Datasheet, PDF (570/1302 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8S Family / H8S/2400 Series | |||
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Section 10 I/O Ports
⢠P25/WAIT-B/PO5-A/TIOCB4-A/TMO1-A
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, TPU channel 4 settings (by bits
MD3 to MD0 in TMDR_4, bits IOB3 to IOB0 in TIOR_4, and bits CCLR1 and CCLR0 in
TCR_4), bits OS3 to OS0*8 in TCSR_1 of the 8-bit timer, bit NDER5 in NDERL of the PPG,
bits PPGS, TPUS, and TMRS in PFCR3, bit WAITS in PFCR4, and bit P25DDR.
⢠Modes 1, 2, 4, and 7 (EXPE = 1)
WAITE
TPU channel 4
settings
OS3 to OS0
P25DDR
NDER5
Pin function
0
(1) in table below
(2) in table below
1




TIOCB4-A
output*3
0

P25 input
All 0
Not all 0
1
1

0
1

P25 output PO5-A
output*2
TMO1-A
output*4
TIOCB4-A input*1*3



WAIT-B
input*5
⢠Mode 7 (EXPE = 0)
WAITE

TPU channel 4
settings
(1) in table
below
(2) in table below
OS3 to OS0

All 0
Not all 0
P25DDR

0
0
1
1
NDER5



0
1
Pin function
TIOCB4-A
output*3
P25 input
P25 output PO5-A output*2 TIO1-A output*4
TIOCB4-A input*1*3
Notes: 1. TIOCB4-A input when MD3 to MD0 = B'0000 or B'01ÃÃ and IOB3 to IOB0 = B'10ÃÃ.
2. PO5-A output when the PPGS bit in PFCR3 is 0.
3. TIOCB4-A input/output when the TPUS bit in PFCR3 is 0.
4. TMO1-A output when the TMRS bit in PFCR3 is 0.
5. WAIT-B input when the WAITS bit in PFCR4 is 1.
Rev. 1.00 Sep. 19, 2008 Page 542 of 1270
REJ09B0466-0100
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