Datasheet

Section 10 I/O Ports
Page 636 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
• PC4/A4/TIOCA10
The pin function is switched as shown below according to the combination of the operating
mode, bit EXPE, TPU channel 10 settings (by bits MD3 to MD0 in TMDR_10, bits IOA3 to
IOA0 in TIOR_10, and bits CCLR1 and CCLR0 in TCR_10), and bit PC4DDR.
Operating
mode
1, 2 4 3, 7 (EXPE = 1) 3, 7 (EXPE = 0)
TPU channel
10 settings
⎯ ⎯ (1) in table
below
(2) in table below
PC4DDR ⎯ 0 1 ⎯ 0 1
PC4 input PC4 output Pin function A4 output PC4 input A4 output TIOCA10
output
TIOCA10 input*
1
TPU channel 10
settings
(2) (1) (2) (1) (1) (2)
MD3 to MD0 B'0000, B'01xx B'001x B'0010 B'0011
IOA3 to IOA0 B'0000,
B'0100,
B'1xxx
B'0001 to
B'0011,
B'0101 to
B'0111
B'xx00 Other than B'xx00
CCLR1,
CCLR0
⎯ ⎯ ⎯ ⎯ Other than
B'01
B'01
Output function ⎯ Output
compare
output
⎯ PWM*
2
mode
1 output
PWM mode
2 output
⎯
[Legend]
x: Don't care
Notes: 1. TIOCA10 input when MD3 to MD0 = B'0000 or B'01xx and IOA3 to IOA0 = B'10xx.
2. TIOCB10 output disabled.