Renesas H8S/2368 Series Hardware Manual page 371

• P23/PO3*
1
/TIOCD3/TXD4/TMCI1
The pin function is switched as shown below according to the combination of the TPU channel
3 settings (by bits MD3 to MD0 in TMDR_3, bits IOD3 to IOD0 in TIORL_3, and bits
CCLR2 to CCLR0 in TCR_3), bit NDER3*
P23DDR.
TPU channel 3
settings
TE
P23DDR
1
NDER3*
Pin function
Notes: *1 Not supported by the H8S/2366.
*2 TIOCD3 input when MD3 to MD0 = B'0000 and IOD3 to IOD0 = B'10xx.
*3 When used as the TMR external clock input pin, the external clock is selected by the
CKS2 to CKS0 bits in TCR1.
TPU channel 3
settings
MD3 to MD0
IOD3 to IOD0 B'0000
B'0100
B'1xxx
CCLR2 to
CCLR0
Output function
x: Don't care
(1) in table below
—
—
TIOCD3 output
(2) (1)
B'0001 to B'0011
B'0001 to
B'0011
B'0101 to
B'0111
— —
— Output
compare
output
1
in NDERL, bit TE in SCR of SCI_4, and bit
(2) in table below
0
0 1
— 0
P23 input P23 output PO3 output*
TIOCD3 input*
3
TMCI1 input*
(2) (2)
B'0010
— B'xx00
— —
— —
Rev. 2.00, 05/03, page 319 of 820
1
1 —
1 —
1
TxD4 output
2
(1) (2)
B'0011
Other than B'xx00
Other than B'110
B'110
PWM mode —
2 output