Contents
Internal Memory
• Built-in 6K×13 bits Program ROM
• Built-in 271 bytes general purpose registers (SRAM)
• Built-in USB Application FIFOs
• Built-in 32 bytes E2PROM
Operation Frequency
• Normal Mode: MCU runs on an external oscillator frequency of 4MHz,
Internal system frequency of 8MHz, 16MHz or 24MHz
• Dual Clock Mode: MCU runs at a frequency of 256kHz (or 32kHz, 4kHz,
500Hz), using an internal oscillator with an external crystal resonator
turned off to save power
Built-in Pattern Detecting Application for serial signal transmission
Built-in Pulse Width Modulation (PWM)
• 2 channels PWM function on P.92 (PWM1) and P.93 (PWM2)
• 8-bit resolution of PWM output
• 8 selections of duty cycles
Built-in 24-Channel Analog-to-Digital Converter (ADC)
• Built-in AD Converter with 10-bit resolution
• 4 types of ADC clock source selection: 256K/128K/64K/32K
Built-in 3.3V Voltage Regulator
• For UDC power supply
• Pull-up source for the external USB resistor on D+ pin
Package Type
• 44-pin QFP (EM78M680 (A/D) AQ)
• 40-pin DIP 600mil (EM78M680 (A/D) AP)
• 24-pin DIP 600mil (EM78M680 (A/D) CP)
• 24-pin SOP 300mil (EM78M680 (A/D) CM)
• 20-pin DIP 300mil (EM78M680 (A/D) BP)
• 20-pin SOP 300mil (EM78M680 (A/D) BM)
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Product Specification (V1.11) 02.10.2007
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ELAN [ ELAN MICROELECTRONICS CORP ]
