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PDF EM78P173N Data sheet ( Hoja de datos )

Número de pieza EM78P173N
Descripción 8-Bit Microcontroller
Fabricantes ELAN Microelectronics 
Logotipo ELAN Microelectronics Logotipo



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No Preview Available ! EM78P173N Hoja de datos, Descripción, Manual

EM78P173N
8-Bit Microcontroller
with OTP ROM
Product
Specification
DOC. VERSION 1.1
ELAN MICROELECTRONICS CORP.
July 2011

1 page




EM78P173N pdf
EM78P173N
8-Bit Microcontroller with OTP ROM
1 General Description
The EM78P173N is an 8-bit microprocessor designed and developed with low-power and high-speed
CMOS technology. It has an on-chip 1K×13-bit Electrical One Time Programmable Read Only Memory
(OTP-ROM). This device provides a protection bit to prevent intrusion of user’s OTP memory code. Three
Code option words are also available to meet user’s requirements.
With its enhanced OTP-ROM features, the EM78P173N provides a convenient way of developing and
verifying user’s programs. Moreover, this OTP device offers the advantages of easy and effective program
updates, using development and programming tools. Users can avail of the ELAN Writer to easily program
their development code.
2 Features
„ CPU configuration
1K×13 bits on-chip ROM
48×8 bits on-chip registers (SRAM,
General purpose)
5-level stacks for subroutine nesting
4 programmable level voltage detector
LVD : 4.5, 4.0, 3.3, 2.2V
3 programmable level voltage reset
LVR : 4.0, 3.5, 2.7V
Less than 1.5mA at 5V/4 MHz
Typically 15 µA, at 3V/32kHz
Typically 1 µA, during Sleep mode
„ I/O port configuration
2 bidirectional I/O ports : P5, P6
12 I/O pins
Wake-up port : P6
7 Programmable pull-down I/O pins
7 programmable pull-high I/O pins
7 programmable open-drain I/O pins
External interrupt with wake-up: P60
„ Operating voltage range:
2.1V~5.5V at 0~70°C (Commercial)
2.3V~5.5V at -40~85°C (Industrial)
„ Operating frequency range
(base on 2 clocks):
Crystal mode:
DC~20MHz/2clks @ 5V
DC~8MHz/2clks @ 3V
DC~4MHz/2clks @ 2.1V
ERC mode:
DC~2 MHz/2clks @ 2.1V
IRC mode:
Internal RC
Frequency Temperature
(-40°C~85°C)
Drift Rate
Voltage Process
4 MHz
± 1%
± 3%
*(2.1~5.5V)
± 2%
16 MHz
± 1%
± 1%
*(4.0~5.5V)
± 2%
8 MHz
± 1%
± 2%
*(3.0~5.5V)
± 2%
1 MHz
± 1%
± 3%
*(2.1~5.5V)
± 2%
Total
± 6%
± 4%
± 5%
± 6%
* Operating Voltage Range
„ Peripheral configuration
8-bit real time clock/counter (TCC) with selective
signal sources, trigger edges, and overflow
interrupt
External interrupt input pin
2/4 clocks per instruction cycle selected by
code option
Power down (Sleep) mode
High EFT immunity
„ Four available interrupts:
TCC overflow interrupt
Input-port status changed interrupt
External interrupt
Low voltage detect interrupt
„ Special features
Programmable free running watchdog timer
Power-on voltage detector available
„ Package type:
14-pin DIP 300mil : EM78P173ND14J/S
14-pin SOP 150mil : EM78P173NSO14J/S
10-pin MSOP 118mil : EM78P173NMS10J/S
Note: These are all Green products which do not
contain hazardous substances.
Product Specification (V1.1) 07.08.2011
(This specification is subject to change without further notice)
1

5 Page





EM78P173N arduino
EM78P173N
8-Bit Microcontroller with OTP ROM
„ "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.
„ "CALL" instruction loads the lower 10 bits of the PC, and then PC+1 are pushed
onto the stack. Thus, the subroutine entry address can be located anywhere within
a page.
„ "RET" ("RETLk", "RETI") instruction loads the program counter with the contents of
the top-level stack.
„ "ADD R2, A" allows a relative address to be added to the current PC, and the ninth
and tenth bits of the PC will increase progressively.
„ "MOV R2, A" allows loading of an address from the "A" register to the lower 8 bits of
the PC, and the ninth and tenth bits (A8 ~ A9) of the PC will remain unchanged.
Any instruction (except “ADD R2,A”) that is written to R2 (e.g., "MOV R2, A", "BC R2, 6"
etc.) will cause the ninth bit and above bits of the PC to remain unchanged.
„ All instructions are single instruction cycle (fclk/2 or fclk/4) except for instructions
that would change the contents of R2. Such instructions will need one more
instruction cycle.
Figure 6-2 Data Memory Configuration
Product Specification (V1.1) 07.08.2011
(This specification is subject to change without further notice)
7

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