UPD63 NEC [NEC], UPD63 Datasheet - Page 42
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UPD63
Manufacturer Part Number
UPD63
Description
4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
Manufacturer
NEC [NEC]
Datasheet
1.UPD63.pdf
(68 pages)
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9.7 Branch Instructions
performs page optimization, it is unnecessary to designate pages. The pages allowed for each product are as
follows.
42
The program memory consists of pages in steps of 1K (000H to 3FFH). However, as the assembler automatically
JMP addr
JC addr
JNC addr
JF addr
JNF addr
PD63 (ROM: 0.5K steps)
PD63A (ROM: 0.75K steps): page 0
PD64 (ROM: 1K steps)
PD6P4B (PROM: 1K steps) : page 0
<1> Instruction code : page 0
<2> Cycle count
<3> Function
<1> Instruction code : page 0
<2> Cycle count
<3> Function
<1> Instruction code : page 0
<2> Cycle count
<3> Function
<1> Instruction code : page 0
<2> Cycle count
<3> Function
<1> Instruction code : page 0
<2> Cycle count
<3> Function
The 10 bits (PC
a
If the status flag F is set (to 1), a jump is made to the address specified with addr (a
If the status flag F is cleared (to 0), a jump is made to the address specified with addr (a
If the carry flag CY is set (to 1), a jump is made to the address specified with addr (a
If the carry flag CY is cleared (to 0), a jump is made to the address specified with addr (a9 to a0).
0
).
9-0
) of the program counter are replaced directly by the specified address addr (a
: 1
: PC
: 1
: if CY = 1 PC
: 1
: if CY = 0 PC
: 1
: if F = 1 PC
: 1
: if F = 0 PC
else PC
else PC
else PC
else PC
a
a
a
a
a
9
9
9
9
9
: page 0
: page 0
a
a
a
a
a
7
7
7
7
7
a
a
a
a
a
6
6
6
6
6
a
addr
a
a
a
a
5
5
5
5
5
a
a
a
a
a
0 1 0 0 0 1 0 0 0 1
0 1 1 0 0 1 0 0 0 1
0 1 1 0 1 1 0 0 0 1
0 1 1 1 0 1 0 0 0 1
0 1 1 1 1 1 0 0 0 1
4
4
4
4
4
a
a
a
a
a
8
8
8
8
8
a
a
PC + 2
a
PC + 2
a
PC + 2
a
PC + 2
3
3
3
3
3
a
a
a
a
a
2
2
2
2
2
a
a
a
a
a
addr
addr
1
1
1
1
1
a
a
a
a
a
addr
addr
0
0
0
0
0
; page 1
; page 1
; page 1
; page 1
; page 1
0 1 0 0 1 1 0 0 0 1
0 1 0 1 0 1 0 0 0 1
0 1 0 1 1 1 0 0 0 1
1 0 0 0 0 1 0 0 0 1
1 0 0 0 1 1 0 0 0 1
PD63, 63A, 64
9
9
to a
to a
9
0
to a
0
).
).
0
).
9
to