EMC EM78612 ユーザーズマニュアル
EM78612
Universal Serial Bus Microcontroller
Product Specification (V1.0) 03.22.2006
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(This specification is subject to change without further notice)
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Up to 12 general purposes I/O pins grouped into two ports (Port 6 and 7).
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Up to 2 LED sink pins
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Each GPIO pin of Ports 6 & Port 7 has an internal programmable pull-high
resistor
resistor
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Each GPIO pin of Ports 6 has an internal programmable pull- low resistor
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Each GPIO pin wakes up the MCU from sleep mode by input state change
Internal Memory
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Built-in 2048*13 bits MASK ROM
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Built-in 80 bytes general purpose registers (SRAM)
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Built-in USB Application FIFOs.
Operation Frequency
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Normal Mode: MCU runs on the external oscillator frequency
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Dual Clock Mode: MCU runs at the frequency of 256 KHz (or 32KHz, 4KHz,
500Hz), emitted by the internal oscillator with the external ceramic resonator
turned off to save power.
500Hz), emitted by the internal oscillator with the external ceramic resonator
turned off to save power.
Built-in 3.3V Voltage Regulator
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For MCU power supply
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Pull-up source for the external USB resistor on D-pin.
Package Type
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16 pin PDIP(300MIL) / SOP(150MIL) (EM78612 AP / AM)
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18 pin PDIP(300MIL) / SOP(300MIL) (EM78612 BP / BM)
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20 pin PDIP(300MIL) / SOP(300MIL) (EM78612 CP / CM)
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20 pin SSOP(209MIL) (EM78612 FM)
3 Applications
This microcontroller is designed for USB low speed device application or non-USB
embedded device. It is also suitable for PS/2 mouse application.
embedded device. It is also suitable for PS/2 mouse application.