HD6473032F Datasheet, PDF (28/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Table 1-3 Pin Functions (cont)
Type
I/O ports
Symbol
P9₄, P9₂,
P9₀
Pin No.
11 to 9
PA₇ to PA₀ 80 to 73
PB₇ to PB₀ 8 to 1
I/O Name and Function
Input/ Port 9: Three input/output pins. The direction
output of each pin can be selected in the port 9 data
direction register (P9DDR).
Input/ Port A: Eight input/output pins. The direction of
output each pin can be selected in the port A data
direction register (PADDR).
Input/ Port B: Eight input/output pins. The direction of
output each pin can be selected in the port B data
direction register (PBDDR).
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