NEC PD750008 - Manual (Page 95)

75
CHAPTER 5 PERIPHERAL HARDWARE FUNCTIONS
Figure 5-7. Formats of Port Mode Registers
0
1
Input mode (Output buffer off)
Output mode (Output buffer on)
Contents of specification
PM63 PM62 PM61 PM60 PM33 PM31 PM32 PM30
7 6 5 4 3 1 2 0
FE8H
Address
PMGA
Symbol
P30 I/O specification
P31 I/O specification
P32 I/O specification
P33 I/O specification
P60 I/O specification
P61 I/O specification
P62 I/O specification
P63 I/O specification
PM7 PM5 PM4 PM2
7 6 5 4 3 1 2 0
FECH
Address
PMGB
Symbol
Port 2 (P20 - P23) I/O specification
Port 4 (P40 - P43) I/O specification
Port 5 (P50 - P53) I/O specification
Port 7 (P70 - P73) I/O specification
— — — —
Port mode register group A
Port mode register group B
PM8
7 6 5 4 3 1 2 0
FEEH
Address
PMGC
Symbol
— — —
Port mode register group C
Port 8 (P80, P81) I/O specification
— — — —