UPD75238GJ NEC [NEC], UPD75238GJ Datasheet - Page 163
UPD75238GJ
Manufacturer Part Number
UPD75238GJ
Description
4 BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC [NEC]
Datasheet
1.UPD75238GJ.pdf
(190 pages)
- Current page: 163 of 190
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(2) Bit manipulation addressing instruction codes
pmem.@L, and @H+mem.bit.
The table below lists the second byte *2 of an instruction code corresponding to the above addressing.
Bn: Immediate data for bit
Fn:
Gn: Immediate data for pmem (Bits 2 to 5 of address)
Dn: Immediate data for mem (Low-order four bits of address)
*1 in the operand field indicates that there are three types of bit manipulation addressing, fmem.bit,
Immediate data for fmem (Low-order four bits of address)
fmem.bit
pmem.@L
@H+mem.bit
*1
1
1
0
0
Second byte of instruction code
0
1
1
0
B
B
B
0
1
1
1
B
B
B
0
0
0
0
G
F
F
D
3
3
3
3
G
F
F
D
2
2
2
2
G
F
F
D
1
1
1
1
G
F
F
D
0
0
0
0
FB0H - FBFH manipulatable bits
FF0H - FFFH manipulatable bits
FC0H-FFFH manipulatable bits
Manipulatable bits of accessible
memory bank
Accessible bits
PD75238
163
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