Pins Specified For Address (With Μ Pd780143) - NEC 78K0 User Manual

Note When the CPU accesses the external memory expansion area, the lower bits of the address to be
accessed are output to the specified pins (except in the full-address mode).
External Address
Expansion Accessed
Mode by CPU
256-byte 6000H
expansion
6001H
mode
6055H
60FEH
60FFH
4 KB 6000H
expansion
6001H
mode
6100H
6FFFH
16 KB 6000H
expansion
7000H
mode
8000H
9000H
9FFFH
Full-address 6000H
mode
6001H
F7FFH
Remark The value in ( ) is not actually output. This pin can be used as a port pin.
CHAPTER 5 EXTERNAL BUS INTERFACE
Figure 5-3. Pins Specified for Address (with
A15 A14 A13 A12 A11 A10
(0) (1) (1) (0) (0)
(0) (1) (1) (0) (0)
(0) (1) (1) (0) (0)
(0) (1) (1) (0) (0)
(0) (1) (1) (0) (0)
(0) (1) (1) (0) 0
(0) (1) (1) (0) 0
(0) (1) (1) (0) 0
(0) (1) (1) (0) 1
(0) (1) 1 0 0
(0) (1) 1 1 0
(1) (0) 0 0 0
(1) (0) 0 1 0
(1) (0) 0 1 1
*
0 1 1 0 0
0 1 1 0 0
1 1 1 1 0
User's Manual U15947EJ2V0UD
µ
PD780143)
Pins Specified for Address
A9 A8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0
(0) (0) (0) 0 0
(0) (0) (0) 0 0
(0) (0) (0) 0 1
(0) (0) (0) 1 1
(0) (0) (0) 1 1
0 0 0 0 0
0 0 0 0 0
0 0 1 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
0 1 0 1 0
1 1 1 1 1
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
0 0 0 0 0
0 0 0 0 0
1 1 1 1 1
0
1
1
0
1
0
1
0
1
0
0
0
0
1
0
1
1
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