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EM78P156ELM Datasheet(PDF) 4 Page - ELAN Microelectronics Corp |
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EM78P156ELM Datasheet(HTML) 4 Page - ELAN Microelectronics Corp |
4 / 55 page 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. 07.29.2004 (V1.3) 4 |
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