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EM78910A 데이터시트 PDF




ELAN Microelectronics Corp에서 제조한 전자 부품 EM78910A은 전자 산업 및 응용 분야에서
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부품번호 EM78910A 기능
기능 8-BIT MICRO-CONTROLLER
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EM78910A 데이터시트, 핀배열, 회로
EM78910/910A
8-BIT MICRO-CONTROLLER
Version 1.0
ELAN MICROELECTRONICS CORP.
No. 12, Innovation 1st RD., Science-Based Industrial Park
Hsin Chu City, Taiwan, R.O.C.
TEL: (03) 5639977
FAX: (03)5782037(SL) 5780617 (SA2)




EM78910A pdf, 반도체, 판매, 대치품
III. Application
1. Adjunct units
2. Answering machines
3. Feature phones
IV. Pin Configuration
AVSS
DTMF
PLLC
NC
NC
/RINGTIME
RDET1
RING
TIP
CWGS
CWTIP
AVDD
XIN
XOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
EM78910/910A
8-bit Micro-controller
AVSS
DTMF
PLLC
RTF
MEI
/RINGTIME
RDET1
RING
TIP
CWGS
CWTIP
AVDD
XIN
XOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
45-pin die EM78910AH, EM78910BH
47-pin die EM78910AAH, EM78910ABH
Fig.1 Pin Assignment
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
~ 2~
2001/01/12

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EM78910A 전자부품, 판매, 대치품
EM78910/910A
8-bit Micro-controller
VII. Functional Descriptions
VII.1 Operational Registers
1. R0 (Indirect Addressing Register)
* R0 is not a physically implemented register. It is useful as indirect addressing pointer. Any instruction using
R0 as register actually accesses data pointed by the RAM Select Register (R4).
2. R1 (TCC)
* Increased by an external signal edge applied to TCC, or by the instruction cycle clock.
* Written and read by the program as any other register.
3. R2 (Program Counter)
* The structure is depicted in Fig.4.
* Generates 16K × 13 on-chip ROM addresses to the relative programming instruction codes.
* "JMP" instruction allows the direct loading of the low 10 program counter bits.
* "CALL" instruction loads the low 10 bits of the PC, PC+1, and then push into the stack.
* "RET'' ("RETL k", "RETI") instruction loads the program counter with the contents at the top of stack.
* "MOV R2,A" allows the loading of an address from the A register to the PC, and the ninth and tenth bits are
cleared to "0''.
* "ADD R2,A" allows a relative address be added to the current PC, and contents of the ninth and tenth bits
are cleared to "0''.
* "TBL" allows a relative address be added to the current PC, and contents of the ninth and tenth bits don't
change. The most significant bit (A10~A13) will be loaded with the content of bit PS0~PS2 in the status
register (R5) upon the execution of a "JMP'', "CALL'', "ADD R2,A'', or "MOV R2,A'' instruction.
CALL
PC A13 A12 A11 A10 A9 A8 A7~A0
0000 PAGE0 0000~03FF
0001 PAGE1 0400~07FF
RET
RETL
RETI
0010 PAGE3 0800~0BFF
STACK1
STACK2
STACK3
STACK4
STACK5
STACK6
STACK7
STACK8
1110 PAGE14 3800~3BFF
1111 PAGE15 3C00~3FFF
Fig.4 Program counter organization
__________________________________________________________________________________________________________________________________________________________________
* This specification are subject to be changed without notice.
~ 5~
2001/01/12

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관련 데이터시트

부품번호상세설명 및 기능제조사
EM78910

8-BIT MICRO-CONTROLLER

ELAN Microelectronics Corp
ELAN Microelectronics Corp
EM78910A

8-BIT MICRO-CONTROLLER

ELAN Microelectronics Corp
ELAN Microelectronics Corp

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