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EM78458 FEATURES
Operating voltage range: 2.3V~5.5V
Operating temperature range: 0°C~70°C(commercial)
-40°C~85°C(industrial)
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 than 1.5 mA at 5V/4MHz
* Typically 15 mA, at 3V/32KHz
* Typically 1 mA, during sleep mode
4K ? 13 bits on chip ROM
84 ? 8 bits on chip registers (SRAM)
2 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
8-bit multichannel Analog-to-Digital Converter with 8-bit resolution
Dual Pulse Width Modulation (PWM ) with 10-bit resolution
One pair of comparators
Power-down (SLEEP) mode
Six available interruptions
* TCC overflow interrupt
* Input-port status changed interrupt (wake up from the sleep mode)
* External interrupt
* ADC completion interrupt
* PWM period match completion
* Comparator high interrupt
Programmable free running watchdog timer
8 Programmable pull-down I/O pins
7 programmable pull-high I/O pins
8 programmable open-drain I/O pins
