Hitachi H8/3022 Hardware Manual page 190

Pin Pin Functions and Selection Method
PB / ITU channel 4 settings (bit CMD1 in TFCR, bit EA4 in TOER, bit PWM4 in TMDR, and
2
TP / bits IOA2 to IOA0 in TIOR4), bit NDER10 in NDERB, and bit PB
10
TIOCA select the pin function as follows
4
ITU
channel 4
settings
PB DDR
2
NDER10
Pin
function
Note: * TIOCA
ITU
channel 4
settings
EA4
CMD1
PWM4
IOA2
IOA1
IOA0
178
(1) in table below
—
—
TIOCA output
4
input when CMD1 = PWM4 = 0 and IOA2 = 1.
4
(2) (2)
0
—
—
— 0
— 0
— 0
(2) in table below
0
—
PB input
2
(1)
1
0
0
0 0
0 1
1 —
DDR in PBDDR
2
1
0
PB output TP
2
output
TIOCA input*
4
(2) (1)
1
1 —
— —
— —
1
1
10
1
—
—
—
—