Purchase EM78P257, In-stock EM78P257 From SeekIC.
MFG:EMC D/C:06+
Part Number: EM78P257
MFG: EMC
D/C: 06+
Description: EM78P257A/B is an 8-bit microprocessors with low-power, high speed CMOS technology. It features a 2K*1...
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EM78P257
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DataSheet
General Description
EM78P257 General Description
EM78P257A/B is an 8-bit microprocessors with low-power, high speed CMOS technology. It features a 2K*13 bits Electrical One Time Programmable Read Only Memory (OTP -ROM) and provides a protect bit to prevent from intruding on code, as well as 12 Option bits to accommodate user's requirements.
EM78P257 Maximum Ratings
Temperature under bias 0 to 70
Storage temperature -65to 150
Input voltage -0.3V to +6.0V
Output voltage -0.3V to +6.0V
Storage temperature -65to 150
Input voltage -0.3V to +6.0V
Output voltage -0.3V to +6.0V
EM78P257 Features
• Operating voltage range: 2.3V~5.5V
• Operating temperature range: 0°C~70°C
• Operating frequency range: (Base on 2 clocks)
* Crystal mode: DC ~ 20MHz/2clks,5V; DC ~ 8MHz/2clks,3V
* RC mode: DC ~ 4MHz/2clks,5V; DC ~ 4MHz/2clks,3V
• Low power consumption:
* less then 1.5 mA at 5V/4MHz
* typical of 15 mA, at 3V/32KHz
* typical of 1 mA, during the sleep mode
• Built-in RC oscillator(4MHz,1MHz,455KHz,32.768KHz)
• RC oscillator mode with Internal Capacitor
• Programmable oscillator set-up time (1ms:18ms)
• Independent Programmable prescaler of WDT.
• One configuration register to match the user's requirements, and provide user's ID code for customer use
• 80´ 8 on chip registers (SRAM, general purpose register)
• 2K´ 13 on chip ROM
• Bi-directional I/O ports.
• 8 level stacks for subroutine nesting
• 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt.
• 4 sets of comparators.
• Easy-implemented IR (Infrared remote control) application circuit.
• Easy-implemented MOUSE application circuit.
• Power down (SLEEP) mode
• Five interrupt sources
* TCC overflow interrupt
* Input-port status changed interrupt(wake up from the sleep mode)
* External interrupt
* IR OUT interrupt
* Comparators status change interrupt
• Programmable free running watchdog timer
• 8 programmable pull-high I/O pins
• 8 programmable open-drain I/O pins
• 8 programmable pull-down I/O pins.
• Two clocks per instruction cycle.
• Package types:
* 18 pin DIP 300mil : EM78P257AP
* 20 pin DIP 300mil : EM78P257BP
* 18 pin SOP 300mil : EM78P257AM
* 20 pin SOP 300mil : EM78P257BM
* 20 pin SSOP 209mil : EM78P257AKM
• Operating temperature range: 0°C~70°C
• Operating frequency range: (Base on 2 clocks)
* Crystal mode: DC ~ 20MHz/2clks,5V; DC ~ 8MHz/2clks,3V
* RC mode: DC ~ 4MHz/2clks,5V; DC ~ 4MHz/2clks,3V
• Low power consumption:
* less then 1.5 mA at 5V/4MHz
* typical of 15 mA, at 3V/32KHz
* typical of 1 mA, during the sleep mode
• Built-in RC oscillator(4MHz,1MHz,455KHz,32.768KHz)
• RC oscillator mode with Internal Capacitor
• Programmable oscillator set-up time (1ms:18ms)
• Independent Programmable prescaler of WDT.
• One configuration register to match the user's requirements, and provide user's ID code for customer use
• 80´ 8 on chip registers (SRAM, general purpose register)
• 2K´ 13 on chip ROM
• Bi-directional I/O ports.
• 8 level stacks for subroutine nesting
• 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt.
• 4 sets of comparators.
• Easy-implemented IR (Infrared remote control) application circuit.
• Easy-implemented MOUSE application circuit.
• Power down (SLEEP) mode
• Five interrupt sources
* TCC overflow interrupt
* Input-port status changed interrupt(wake up from the sleep mode)
* External interrupt
* IR OUT interrupt
* Comparators status change interrupt
• Programmable free running watchdog timer
• 8 programmable pull-high I/O pins
• 8 programmable open-drain I/O pins
• 8 programmable pull-down I/O pins.
• Two clocks per instruction cycle.
• Package types:
* 18 pin DIP 300mil : EM78P257AP
* 20 pin DIP 300mil : EM78P257BP
* 18 pin SOP 300mil : EM78P257AM
* 20 pin SOP 300mil : EM78P257BM
* 20 pin SSOP 209mil : EM78P257AKM
EM78P257 Connection Diagram
EM78P257
PDF/DataSheet Download
- Datasheet: EM78P257
- File Size: 1978747 KB
- Manufacturer: EMC [ELAN Microelectronics Corp]
- Click here to Download
- ·EM73201
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
- 209731 KB
- ·EM73201AP
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
- 209731 KB
- ·EM73201BK
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
- 209731 KB
- ·EM73201CP
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT
- 209731 KB
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- ·EM73361AAQ
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
- 297265 KB
- ·EM73362
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
- 224892 KB
- ·EM73461A
- EMC [ELAN Microelectronics Corp]
- 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
- 195517 KB
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