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EM73880 Datasheet(PDF) 8 Page - ELAN Microelectronics Corp

Part # EM73880
Description  4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PDF  40 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM73880 Datasheet(HTML) 8 Page - ELAN Microelectronics Corp

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* This specification are subject to be changed without notice.
EM73880
EM73880
EM73880
EM73880
EM73880
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
11.30.2001
Preliminary
Preliminary
Preliminary
Preliminary
Preliminary
(3) Interrupt acceptance operation:
(3) Interrupt acceptance operation:
(3) Interrupt acceptance operation:
(3) Interrupt acceptance operation:
(3) Interrupt acceptance operation:
When an interrupt is accepted, the original PC is pushed into stack and interrupt vector will be loaded into
PC,The interrupt vectors are as following:
INT0
INT0
INT0
INT0
INT0 (External interrupt from P8.2)
PC 000000000010
HTC
HTC
HTC
HTC
HTC (High speed counter)
PC 000000000100
TRGA
TRGA
TRGA
TRGA
TRGA (Timer A overflow interrupt)
PC 000000000110
TRGB
TRGB
TRGB
TRGB
TRGB (Time B overflow interrupt)
PC 000000001000
TBI
TBI
TBI
TBI
TBI (Time base interrupt)
PC 000000001010
SPI
SPI
SPI
SPI
SPI (Speech Interrupt)
PC 000000001100
(4) Reset operation:
(4) Reset operation:
(4) Reset operation:
(4) Reset operation:
(4) Reset operation:
PC 000000000000
(5) Other operations:
(5) Other operations:
(5) Other operations:
(5) Other operations:
(5) Other operations:
For 1-byte instruction execution: PC + 1
For 2-byte instruction execution: PC + 2
For 3-byte instruction execution: PC + 3
ACCUMULATOR
ACCUMULATOR
ACCUMULATOR
ACCUMULATOR
ACCUMULATOR
Accumulator is a 4-bit data register for temporary data . For the arithematic, logic and comparative opertion
.., ACC plays a role which holds the source data and result .



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