Toshiba H1 Series Data Book page 140

(3) PC4 (EA26), PC5 (EA27), PC6 (EA28)
Reset
Direction
control
(on bit basis)
PCCRwrite
Function
control
(on bit basis)
PCFC write
S
Output latch
PC write
EA26
EA27
EA28
PC read
Figure 3.7.22 Port C4, C5, C6
(4) PC7 (KO8)
Reset
Direction
control
PCCR write
Function
control
PCFC write
S
Output latch
PC write
PC read
S
A
Selector
B
C
S
B
Selector
A
S
B
Selector
A
Figure 3.7.23 Port C7
92CZ26A-137
TMP92CZ26A
PC4(EA26)
PC5(EA27)
PC6(EA28)
PC7(KO8)
Open-drain enable