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APU428 Datasheet(PDF) 16 Page - Aplus Intergrated Circuits

Part # APU428
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

APU428 Datasheet(HTML) 16 Page - Aplus Intergrated Circuits

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Instruction
Machine Code
Function
Flag/Remark
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 AC = 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 0X0X 0XXX
X6 = 1: Cfq = BCLK
X6 = 0: Cfq = PH0
X5 = 1: Cpw = BCLK
X5 = 0: Cpw = PH0
X,4 = 1: Set P(A)
X,4 = 0: Set P(C)
X2,1,0=001: Cch = PH10
X2,1,0=010: Cch = PH8
X2,1,0=100: Cch = PH6
SCA X
1101 1010 00XX 0000
X5: A1-4 Enable (SEF5)
X4: C1-4 Enable (SEF4)
SAD X
1101 1011 00XX XXXX
X5: Enable Cmp. output
X4: Latch Data to Cmp.
X3=1: CP4(+) = LBR
X3=0: CP4(+) = AN4
X2=1: CP1~4(-) = AN4
X2=0: CP1~4(-) = DAC
X1: Enable LBR
X0: Enable DAC
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 B4~1 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
TMSX
X 1110 0010 XXXX XXXX
X7,6=11: Ctm=FREQ
X7,6=10: Ctm=PH15
X7,6=01: Ctm=PH3
X7,6=00: Ctm=PH9
X5~0: Set Timer1 Value
MDA Rx
1110 0011 0XXX XXXX
DAC Rx
TM2 Rx
1110 0100 0XXX XXXX
Timer2 Rx, AC
TM2 @HL
1110 0101 0000 0000
Timer2 T@HL
Preliminary
16
Ver. 0.0
APU428



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