NEC PD17062 - Manual (Page 192)

192
µ
PD17062
15.2.2 General-Purpose I/O Ports (P0A, P0B, P1B, P1C)
The I/O of P0A is switched by the P0A bit I/O selection register (RF address 37H). The I/O of P0B is switched
by the P0B bit I/O selection register (RF address 36H). The I/O of P1B is switched by the P1B bit I/O selection
register (RF address 35H). And, the I/O of P1C is switched by the P1C group I/O selection register (RF address
27H).
The I/O data of P0A is set by P0A (data memory address: 70H of BANK0 or BANK2) of the port register.
The I/O data of P0B is set by P0B (data memory address: 71H of BANK0 or BANK2) of the port register. The
I/O data of P1B is set by P1B (data memory address: 71H of BANK1) of the port register. And, the I/O data
of P1C is set by P1C (data memory address: 72H of BANK1) of the port register.
See Table 15-2.
For details, see Section 15.3.
15.2.3 General-Purpose Input Port (P0D)
P0D input data is read by P0D (data memory address: 73H of BANK0 or BANK2) of the port register.
See Table 15-2.
For details, see Section 15.4.
15.2.4 General-Purpose Output Ports (P0C, P1A)
(1) P0C, P1A
P0C and P1A output data is set by P0C (data memory address: 72H of BANK0 or BANK2) and P1A (data
memory address: 70H of BANK1) of the port register.
See Table 15-2.
For details, see Section 15.5.