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APU429 Datasheet(PDF) 14 Page - Aplus Intergrated Circuits

Part # APU429
Description  4-Bit Micro-controller With LCD Driver
PDF  18 Pages
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Manufacturer  APLUS [Aplus Intergrated Circuits]
Direct Link  http://www.aplusinc.com.tw
Logo APLUS - Aplus Intergrated Circuits

APU429 Datasheet(HTML) 14 Page - Aplus Intergrated Circuits

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Instruction
Machine Code
Function
Flag/Remark
LDA Rx
0110 1100 0XXX XXXX
AC
Rx
LDA @HL
0100 1100 1000 0000
AC
@HL
MRA Rx
0110 1101 0XXX XXXX
CF
Rx3
MRW @HL,Rx
0110 1110 0XXX XXXX
AC,@HL
Rx
MWR Rx,@HL
0110 1111 0XXX XXXX
AC,Rx
@HL
MRW Ry,Rx
0111 0YYY YXXX XXXX
AC,Ry
Rx
MWR Rx,Ry
0111 1YYY YXXX XXXX
AC,Rx Ry
JB0 X
1000 0XXX XXXX XXXX
PC
X
if AC0 = 1
JB1 X
1000 1XXX XXXX XXXX
PC
X
if AC1 = 1
JB2 X
1001 0XXX XXXX XXXX
PC
X
if AC2 = 1
JB3 X
1001 1XXX XXXX XXXX
PC
X
if AC3 = 1
JNZ X
1010 0XXX XXXX XXXX
PC
X
if AC 0
JNC X
1010 1XXX XXXX XXXX
PC
X
if CF = 0
JZ X
1011 0XXX XXXX XXXX
PC
X
if AC0 = 0
JC X
1011 1XXX XXXX XXXX
PC
X
if CF = 1
CALL X
1100 0XXX XXXX XXXX
STACK
PC+1
PC
X
JMP X
1101 0XXX XXXX XXXX
PC
X
RTS
1101 1000 0000 0000
PC
STACK
CALL Return
SCC X
1101 1001 0XXX XXXX
X6 = 1: Cfq = BCLK
X6 = 0: Cfq = PH0
X5 = 1: Cpw = BCLK
X5 = 1: Cpw = PH0
X4, 3 = 1X: Set P(A)
X4, 3 = 01: Set P(S)
X4, 3 = 00 Set P (C)
X2,1,0=001: Cch = PH10
X2,1,0=010: Cch = PH8
X2,1,0=1XX: Cch = PH6
SCA X
(SMS)
1101 1010 00XX XXXX
X0~3: S1~4 Enable (SEF0~3)
X5: A1-4 Enable (SEF5)
X4: C1-4 Enable (SEF4)
SPA X
1101 1100 000X XXXX
X4: Set A4~1 Pull-Low
X3~0: Set A4~1 I/O
SPB X
1101 1101 0000 XXXX
X3~0: Set D4~1 I/O
SPC X
1101 1110 000X XXXX
X4: Set C4-1 Pull-Low/
Low-Level-Hold
X3~0: Set C4-1 I/O
SPD X
1101 1111 0000 XXXX
X3-0: Set D4~1 I/O
TMS Rx
1110 0000 0XXX XXXX
Timer1
Rx, AC
TMS @HL
1110 0001 0000 0000
Timer1
T@HL
Preliminary
14
Ver. 0.0



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