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UPD78C14 Datasheet(PDF) 19 Page - NEC

Part # UPD78C14
Description  8-BIT SINGLE-CHIP MICROCONTROLLER WITH A/D CONVERTER
PDF  52 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD78C14 Datasheet(HTML) 19 Page - NEC

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background image
Instruction code
Mnemonic
Operand
State
Operation
Skip
condition
B1
B2
B3
B4
sr3, EA
0 1 0 0 1 0 0 0
14
sr3
← EA
EA, sr4
1 1 0 0 0 0 0 V0
14
EA
← sr4
0 0 0 1 1 1 1 0
word
0 1 1 1 0 0 0 0
20
(word)
← C, (word+1) ← B
SBCD
word
word
word
0 0 1 0 1 1 1 0
0 0 1 1 1 1 1 0
0 0 0 0 1 1 1 0
Low Adrs
High Adrs
20
(word)
← E, (word+1) ← D
20
(word)
← L, (word+1) ← H
20
(word)
← SPL, (word+1) ← SPH
STEAX
LDED
LHLD
LSPD
LDEAX
PUSH
POP
LXI
TABLE
ADD
ADC
*
rpa3
0 1 0 0 1 0 0 0
word
0 1 1 1 0 0 0 0
word
word
word
0 1 0 0 1 0 0 0
rpa3
1 0 1 1 0 Q2 Q1 Q0
rp1
1 0 1 0 0 Q2 Q1 Q0
rp1
0 P2 P1 P0 0 1 0 0
0 1 0 0 1 0 0 0
0 1 1 0 0 0 0 0
0 1 0 0
1 1 0 1
0 1 0 1
0 0 0 1 1 1 1 1
Low Byte
Data
14/20
20
20
20
20
14/20
13
10
10
17
8
8
8
8
Note 3
(rpa3)
← EAL, (rpa3+1) ← EAH
C
← (word), B ← (word+1)
E
← (word), D ← (word+1)
L
← (word), H ← (word+1)
SPL
← (word), SPH ← (word+1)
EAL
← (rpa3), EAH ← (rpa3+1)
(SP–1)
← rp1H, (SP–2)← rp1L
SP
← SP–2
rp1L
← (SP), rp1H ← (SP+1)
SP
← SP+2
rp2
← word
C
← (PC+3+A)
B
← (PC+3+A+1)
A
← A+r
r
← r+A
A
← A+r+CY
r
← r+A+CY
DMOV
SDED
SHLD
SSPD
LBCD
rp2, word
A, r
r, A
A, r
r, A
1 1 0 1 0 0 1 U0
1 1 0 0 0 R2 R1 R0
1 0 1 0 1 0 0 0
1 0 0 0 C3 C2 C1 C0
0 0 1 0 1 1 1 1
0 0 1 1 1 1 1 1
0 0 0 0 1 1 1 1
1 0 0 1 C3 C2 C1 C0
Note 2
Low Adrs
Data
Note 2
High Adrs
High Byte
Note 3



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