EM78156EAS EMC [ELAN Microelectronics Corp], EM78156EAS Datasheet - Page 5
EM78156EAS
Manufacturer Part Number
EM78156EAS
Description
8-Bit Microcontroller with MASK ROM
Manufacturer
EMC [ELAN Microelectronics Corp]
Datasheet
1.EM78156EAS.pdf
(48 pages)
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Product Specification (V1.3) 07.29.2004
(This specification is subject to change without further notice)
GENERAL DESCRIPTION
FEATURES
EM78156E is an 8-bit microprocessor with low-power and high-speed CMOS
technology. Integrated into a single chip are on-chip watchdog timer (WDT), RAM,
ROM, real time clock/counter, external and interrupt, power down mode, and tri-state
I/O.
Operating voltage range : 2.3V~5.5V
Operating temperature range: 0°C~70°C
Operating frequency rang (base on 2 clocks ):
•
•
Low power consumption:
•
•
•
1K × 13 bits on chip ROM
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
•
•
•
Programmable free running watchdog timer
8 programmable pull-high pins
7 programmable pull-down pins
8 programmable open-drain pins
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.
Less then 2.0 mA at 5V/4MHz
Typically 15 µA at 3V/32KHz
Typically 1 µA during sleep mode
TCC overflow interrupt
Input-port status changed interrupt (wake up from sleep mode)
External interrupt
8-Bit Microcontroller with MASK ROM
EM78156E
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