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EM78P156KJSS20J Datasheet(PDF) 5 Page - ELAN Microelectronics Corp

Part # EM78P156KJSS20J
Description  8-Bit Microcontroller with OTP ROM
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P156KJSS20J Datasheet(HTML) 5 Page - ELAN Microelectronics Corp

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EM78P156K
8-Bit Microcontroller with OTP ROM
Product Specification (V1.3) 07.25.2012
• 1
(This specification is subject to change without further notice)
1
General Description
The EM78P156K is an 8-bit microprocessor designed and developed with low-power and high-speed
CMOS technology. The device has an on-chip 1024
×13-bit Electrical One Time Programmable Read Only
Memory (OTP-ROM). It 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 enhanced OTP-ROM features, the EM78P156K 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
• Less than 1.5 mA at 5V / 4MHz
• 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
• 5 Programmable pull-down I/O pins (P50 ~
P52, P60 ~ P63)
• 6 programmable pull-high I/O pins (P60 ~ P67)
• 6 programmable open-drain I/O pins (P60 ~
P67)
• 2 programmable R-option pins
• External interrupt : 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 ~ 2MHz / 2clks @ 2.1V
• IRC mode:
Drift Rate
Internal
RC Freq.
Temp.
(-40~85°C)
Voltage
Process Total
4 MHz
± 1%
± 3% @ 2.1~5.5V
± 2%
± 6%
16 MHz
± 1%
± 1% @ 4.0~5.5V
± 2%
± 4%
8 MHz
± 1%
± 2% @ 3.0~5.5V
± 2%
± 5%
1 MHz
± 1%
± 3% @ 2.1~5.5V
± 2%
± 6%
Peripheral configuration
• 8-bit real time clock / counter (TCC) with
selective signal sources, trigger edges, and
overflow interrupt
• Power on reset and 3 programmable level voltage
reset
POR: 1.8V (Default), LVR: 4.0, 3.5, 2.7V
• 2 / 4 clocks per instruction cycle selected by
code option
• High EFT immunity
Three available interrupts:
• TCC overflow interrupt
• Input-port status changed interrupt (wake-up
from sleep mode)
• External interrupt
Special Features
• Programmable free running watchdog timer
• Power saving sleep mode
• Selectable oscillation mode
Package type:
• 18-pin DIP 300mil
: EM78P156KD18J
• 18-pin SOP 300mil
: EM78P156KSO18J
• 20-pin SSOP 209mil : EM78P156KJSS20J
Note: These are all Green products which do not
contain hazardous substances.


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