Hitachi H8/3022 Hardware Manual page 184

Pin Pin Functions and Selection Method
PA /TP / Bit NDER1 in NDERA and bit PA
1 1
TCLKB
PA DDR
1
NDER1
Pin
function
Note: * TCLKB input when MDF = 1 in TMDR, or when TPSC2 = 1, TPSC1 = 0, and
TPSC0 = 1 in any of TCR4 to TCR0.
PA /TP / Bit NDER0 in NDERA and bit PA
0 0
TCLKA
PA DDR
0
NDER0
Pin
function
Note: * TCLKA input when MDF = 1 in TMDR, or when TPSC2 = 1 and TPSC1 =
TPSC0 = 0 in any of TCR4 to TCR0.
172
DDR in PADDR select the pin function as follows
1
0
—
PA input
1
DDR in PADDR select the pin function as follows
0
0
—
PA input
0
1
0
PA output
1
TCLKB input*
1
0
PA output
0
TCLKA input*
1
1
TP output
1
1
1
TP output
0