UPD75208 NEC, UPD75208 Datasheet - Page 32

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UPD75208

Manufacturer Part Number
UPD75208
Description
4-BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC
Datasheet

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32
Note
Note
Mnemonic
Instruction Group
SET1
CLR1
SKT
SKF
SKTCLR
AND1
OR1
XOR1
BR
BRCB
BR
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
fmem.bit
pmem.@L
@H+mem.bit
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
addr
!addr
$addr
!caddr
PCDE
PCXA
Operands
No. of
Bytes
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
1
2
2
2
Machine
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
2 + S
Cycle
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
3
3
(mem.bit) 1
(fmem.bit) 1
(pmem
(H+mem
(mem.bit) 0
(fmem.bit) 0
(pmem
(H+mem
Skip if (mem.bit) = 1
Skip if (fmem.bit) = 1
Skip if (pmem
Skip if (H+mem
Skip if (mem.bit) = 0
Skip if (fmem.bit) = 0
Skip if (pmem
Skip if (H+mem
Skip if (fmem.bit) = 1 and clear
Skip if (pmem
Skip if (H+mem
CY CY (fmem.bit)
CY CY (pmem
CY CY (H+mem
CY CY (fmem.bit)
CY CY (pmem
CY CY (H+mem
CY CY
CY CY
CY CY
PC
PC
PC
PC
PC
PC
(Optimum instruction is
selected from among BR !addr,
BRCB !caddr and BR $addr by an
assembler.)
12–0
12–0
12–0
12–0
12–0
12–0
7–2
7–2
addr
addr
addr
PC
PC
PC
3–0
3–0
+L
+L
(fmem.bit)
(pmem
(H+mem
12
12–8
12–8
.bit) 1
.bit) 0
3–2
3–2
+caddr
7–2
Operation
+DE
+XA
+L
.bit(L
.bit(L
7–2
7–2
3–0
3–0
3–0
3–2
+L
+L
7–2
7–2
7–2
.bit) = 1
.bit) = 0
.bit(L
.bit)=1 and clear
3–0
3–0
3–0
3–2
3–2
11–0
+L
1–0
1–0
+L
+L
.bit)
.bit)
.bit)
.bit(L
.bit(L
)) 1
)) 0
3–2
3–2
3–2
1–0
.bit(L
.bit(L
))=1 and clear
.bit(L
1–0
1–0
)) = 1
)) = 0
1–0
1–0
1–0
))
))
))
Addressing
Area
*3
*4
*5
*1
*3
*4
*5
*1
*3
*4
*5
*1
*3
*4
*5
*1
*4
*5
*1
*4
*5
*1
*4
*5
*1
*4
*5
*1
*6
*6
*7
*8
(mem.bit) = 1
(fmem.bit) = 1
(pmem.@L) = 1
(@H+mem.bit) = 1
(mem.bit) = 0
(fmem.bit) = 0
(pmem.@L) = 0
(@H+mem.bit) = 0
(fmem.bit) = 1
(pmem.@L) = 1
(@H+mem.bit)=1
Condition
PD75208
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