EM78P156ELKM Ver la hoja de datos (PDF) - ELAN Microelectronics

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EM78P156ELKM

8-BIT MICRO-CONTROLLER

ELAN Microelectronics 

EM78P156EL

OTP ROM

2. FEATURES

• Operating voltage range : 2.3V~5.5V

• Operating temperature range: 0°C~70°C

• Operating frequency rang (base on 2 clocks ):

* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.

* ERC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.

• Low power consumption:

* Less then 2.0 mA at 5V/4MHz

* Typically 15 µA at 3V/32KHz

* Typically 1 µA during sleep mode

• 1K × 13 bits on chip ROM

• One security register to prevent intrusion of OTP memory codes

• One configuration register to accommodate user’s requirements

• 48× 8 bits on chip registers (SRAM, general purpose register)

• 2 bi-directional I/O ports

• 5 level stacks for subroutine nesting

• 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt

• Two clocks per instruction cycle

• Power down (SLEEP) mode

• Three available interruptions

* TCC overflow interrupt

* Input-port status changed interrupt (wake up from sleep mode)

* External interrupt

• Programmable free running watchdog timer

• 8 programmable pull-high pins

• 7 programmable pull-down pins

• 8 programmable open-drain pins

• 2 programmable R-option pins

• Package types:

* 18 pin DIP 300mil

: EM78P156ELP

* 18 pin SOP 300mil

: EM78P156ELM

This specification is subject to change without prior notice.

4

07.29.2004 (V1.3)

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