Specification
Overview
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General Description
The EM78P469 is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. Integrated onto a single chip are on-chip Watchdog Timer (WDT), Data RAM, ROM, programmable real time clock counter, internal / external interrupt, power down mode, LCD driver, IROUT function and tri-state I/O.
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Features & Benefits
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CPU Configuration
- Operating voltage: 2.3V~5.5V
- Operating temperature: -20°C~85°C
- Dual clock operation or PLL operation mode
- Crystal/RC oscillation circuit selected by code option for system clock
- 32.768kHz crystal/RC oscillation circuit selected by code option for sub-oscillation
- 144 byte general purpose register
- 512 bytes on chip data RAM
- 84K × 13 on chip Electrical One Time Programmable Read Only Memory (OTP-ROM)
- Up to 33 bidirectional tri-state I/O ports
- 8-level stack for subroutine nesting
- 8-bit real time clock/counter (TCC)
- One IROUT/PWM generator
- Four sets of 8 bit auto reload counter/timer can be interrupt sources
- 16 bit counter: Combined CNT1 with CNT2
- Programmable free running on-chip watchdog timer
- Operation mode: Normal mode, Green mode, Idle mode and Sleep mode
- Input port wake-up function (Port 6, Port 8)
- 8 interrupt sources, 2 external, 6 internal
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LCD Driver
- Common driver pins: 4
- Segment driver pins: 40
- LCD Bias: 1/3, 1/2 bias
- LCD Duty: 1/4, 1/3, 1/2 duty
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Data Sheet
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Download File
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Package
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Download File
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Technical Information
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Website Link
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