H8-3048B Datasheet, PDF (330/901 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcomputer

Section 9 I/O Ports
Pin
PA₄/TP₄/
TIOCA₁/
A₂₃/CS₆
Pin Functions and Selection Method
The mode setting, bit A₂₃E in BRCR, bit CS6E in CSCR, ITU channel 1 settings (bit
PWM1 in TMDR and bits IOA2 to IOA0 in TIOR1), bit NDER4 in NDERA, and bit
PA₄DDR in PADDR select the pin function as follows
Mode
1, 2, 5
3, 4, 6
7
CS6E
0
1
0
1
—
AE
23
ITU
channel 2
settings
(1) in
table
below
—
(2) in table
below
—
— (1) in
table
below
1
(2) in table
below
0—
— — (1) in
table
below
—
(2) in table
below
PA₄DDR —
0 1 1— —
0 1 1 —— —
011
NDER4
—
— 0 1 — — — 0 1 —— — — 0 1
Pin
function
TIOCA PA PA TP CS TIOCA PA PA TP A CS TIOCA PA PA TP
1
4
4
4
6
1
4
4
4
23
6
1
4
4
4
output input out- out- out- output input out- out- out- out- output input out- out-
put put put
put put put put
put put
TIOCA input*
1
TIOCA input*
1
TIOCA input*
1
Note: * TIOCA1 input when IOA2 = 1.
ITU
channel 1
(2)
(1)
(2)
(1)
settings
PWM1
0
1
IOA2
0
1
—
IOA1
0
0
1
—
—
IOA0
0
1
—
—
—
Rev. 3.00 Sep 27, 2006 page 304 of 872
REJ09B0325-0300