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Número de pieza | EM78P134N | |
Descripción | 8-Bit Microcontroller | |
Fabricantes | ELAN Microelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de EM78P134N (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
No Preview Available ! EM78P134N
8-Bit Microcontroller
with OTP ROM
Product
Specification
DOC. VERSION 1.6
ELAN MICROELECTRONICS CORP.
June 2010
1 page Contents
7 Electrical Characteristics ....................................................................................... 52
7.1 DC Electrical Characteristics............................................................................ 52
7.2 Comparator Characteristics.............................................................................. 54
7.3 AC Electrical Characteristics ............................................................................ 55
8 Timing Diagram ....................................................................................................... 56
Doc. Version
1.0
1.1
1.2
1.3
1.4
1.5
1.6
Specification Revision History
Revision Description
Initial version
Modified the package type description
Added description of RC Bit 7
Corrected some description error
Modified the DC electrical characteristics
Modified the operation voltage range
Added SSOP10 package type
Date
2008/08/11
2008/11/04
2008/11/12
2009/02/02
2009/03/23
2009/08/10
2010/06/02
Product Specification (V1.6) 06.02.2010
•v
5 Page EM78P134N
8-Bit Microcontroller with OTP ROM
5.1 Operational Registers
5.1.1 R0 (Indirect Addressing Register)
R0 is not a physically implemented register. It is used as an indirect addressing
pointer. Any instruction using R0 as a pointer actually accesses data pointed by the
RAM Select Register (R4).
5.1.2 R1 (Timer Clock/Counter)
Incremented by an external signal edge, through the TCC pin, or by the instruction
cycle clock.
External signal of TCC trigger pulse width must be greater than one instruction.
The signals to increase the counter are determined by Bit 4 and Bit 5 of the CONT
register.
Writable and readable as any other registers.
5.1.3 R2 (Program Counter) and Stack
Depending on the device type, R2 and hardware stack are 10-bit wide. The
structure is depicted in the following figure.
PC (A9~A0)
Reset vector
Interrupt vector
000H
003H
00FH
Stack level 1
Stack level 2
Stack level 3
Stack level 4
Stack level 5
On-chip program
Memory
3FFH
Figure 5-2 Program Counter Organization
The configuration structure generates 1K×13 bits on-chip OTP ROM addresses to
the relative programming instruction codes. One program page is 1024 words
long.
R2 is set as all "0" when under Reset condition.
"JMP" instruction allows direct loading of the lower 10 program counter bits. Thus,
"JMP" allows the PC to go to any location within a page.
Product Specification (V1.6) 06.02.2010
(This specification is subject to change without further notice)
•5
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet EM78P134N.PDF ] |
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EM78P134N | 8-Bit Microcontroller | ELAN Microelectronics |
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