UPD75216ACW

Manufacturer Part NumberUPD75216ACW
Description4-BIT SINGLE-CHIP MICROCOMPUTER
ManufacturerNEC
UPD75216ACW datasheet
 


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Page 40/72

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Note
Mnemonic
Operands
SET1
mem.bit
fmem.bit
pmem.@L
@H + mem.bit
mem.bit
CLR1
fmem.bit
pmem.@L
@H+mem.bit
SKT
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
SKF
mem.bit
fmem.bit
pmem.@L
@H+mem.bit
SKTCLR
fmem.bit
pmem.@L
@H+mem.bit
AND1
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
CY, fmem.bit
OR1
CY, pmem.@L
CY, @H+mem.bit
XOR1
CY, fmem.bit
CY, pmem.@L
CY, @H+mem.bit
BR
addr
!addr
$addr
BRCB
!caddr
PCDE
BR
PCXA
Note
Instruction Group
40
No. of
Machine
Operation
Bytes
Cycle
2
2
(mem.bit) 1
2
2
(fmem.bit) 1
2
2
(pmem
+L
.bit(L
)) 1
7–2
3–2
1–0
2
2
(H+mem
.bit) 1
3–0
2
2
(mem.bit) 0
2
2
(fmem.bit) 0
2
2
(pmem
+L
.bit(L
)) 0
7–2
3–2
1–0
2
2
(H+mem
.bit) 0
3–0
2
2 + S
Skip if (mem.bit) = 1
2
2 + S
Skip if (fmem.bit) = 1
2
2 + S
Skip if (pmem
+L
.bit(L
7–2
3–2
2
2 + S
Skip if (H+mem
.bit) = 1
3–0
2
2 + S
Skip if (mem.bit) = 0
2
2 + S
Skip if (fmem.bit) = 0
2
2 + S
Skip if (pmem
+L
.bit(L
7–2
3–2
2
2 + S
Skip if (H+mem
.bit) = 0
3–0
2
2 + S
Skip if (fmem.bit) = 1 and clear
2
2 + S
Skip if (pmem
+L
.bit(L
7–2
3–2
1–0
2
2 + S
Skip if (H+mem
.bit)=1 and clear
3–0
2
2
CY CY (fmem.bit)
2
2
CY CY (pmem
+L
.bit(L
7–2
3–2
2
2
CY CY (H+mem
.bit)
3–0
2
2
CY CY (fmem.bit)
2
2
CY CY (pmem
+L
.bit(L
7–2
3–2
2
2
CY CY (H+mem
.bit)
3–0
2
2
CY CY
(fmem.bit)
2
2
CY CY
(pmem
+L
7–2
3–2
2
2
CY CY
(H+mem
.bit)
3–0
PC
addr
13–0
(Optimum instruction is
selected from among BR !addr,
BRCB !caddr and BR $addr by an
assembler.)
3
3
PC
addr
13–0
1
2
PC
addr
13–0
2
2
PC
PC
+caddr
13–0
13,12
11–0
2
3
PC
PC
+DE
13–0
13–8
2
3
PC
PC
+XA
13–0
13–8
PD75216A
Addressing
Skip
Area
Condition
*3
*4
*5
*1
*3
*4
*5
*1
*3
(mem.bit) = 1
*4
(fmem.bit) = 1
)) = 1
*5
(pmem.@L) = 1
1–0
*1
(@H+mem.bit) = 1
*3
(mem.bit) = 0
*4
(fmem.bit) = 0
)) = 0
*5
(pmem.@L) = 0
1–0
*1
(@H+mem.bit) = 0
*4
(fmem.bit) = 1
))=1 and clear
*5
(pmem.@L) = 1
*1
(@H+mem.bit)=1
*4
))
*5
1–0
*1
*4
))
*5
1–0
*1
*4
.bit(L
))
*5
1–0
*1
*6
*6
*7
*8