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UPD70320 데이터시트(PDF) 21 Page - NEC

부품명 UPD70320
상세설명  V25TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER
PDF  74 Pages
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제조업체  NEC [NEC]
홈페이지  http://www.nec.com/
Logo NEC - NEC

UPD70320 데이터시트(HTML) 21 Page - NEC

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DIVU
reg8
mem8
reg16
mem16
Operation Code
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 0
1 1 1 1 0 1 1 1
1 1 1 1 0 1 1 1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
Group
Mnemonic
Operand
2
2 to 4
2
2 to 4
Bytes
Flags
AC CY V
P
S
Z
temp
← AW
When temp
÷ reg8 ≤ FFH
AH
← temp%reg8, AL ← temp ÷ reg8
When temp
÷ reg8 > FFH
(SP – 1, SP – 2)
← PSW, (SP – 3, SP – 4) ← PS
(SP – 5, SP – 6)
← PC, SP ← SP – 6
IE
← 0, BRK ← 0, PS ← (3, 2), PC ← (1, 0)
temp
← AW
When temp
÷ (mem8) ≤ FFH
AH
← temp%(mem8), AL ← temp ÷ (mem8)
When temp
÷ (mem8) > FFH
(SP – 1, SP – 2)
← PSW, (SP – 3, SP – 4) ← PS
(SP – 5, SP – 6)
← PC, SP ← SP – 6
IE
← 0, BRK ← 0, PS ← (3, 2), PC ← (1, 0)
temp
← DW, AW
When temp
÷ reg16 ≤ FFFFH
DW
← temp%reg16, AW ← temp ÷ reg16
When temp
÷ reg16 > FFFFH
(SP – 1, SP – 2)
← PSW, (SP – 3, SP – 4) ← PS
(SP – 5, SP – 6)
← PC, SP ← SP – 6
IE
← 0, BRK ← 0, PS ← (3, 2), PC ← (1, 0)
temp
← DW, AW
When temp
÷ (mem16) ≤ FFFFH
DW
← temp%(mem16), AW ← temp ÷ (mem16)
When temp
÷ (mem16) > FFFFH
(SP – 1, SP – 2)
← PSW, (SP – 3, SP – 4) ← PS
(SP – 5, SP – 6)
← PC, SP ← SP – 6
IE
← 0, BRK ← 0, PS ← (3, 2), PC ← (1, 0)
Operation
Unsign-
ed
division
1 1 1 1 0 reg
mod 1 1 0 mem
1 1 1 1 0 reg
mod 1 1 0 mem
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U



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