參數(shù)資料
型號(hào)： EM78612
英文描述： Dual Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 16-QFN
中文描述： USB控制器
文件頁(yè)數(shù)： 12/29頁(yè)
文件大?。?/td> 692K
代理商： EM78612
EM78612
Universal Serial Bus Microcontroller Series
This specification may change without further notice.
2
3/5/2003 (V1.0)
Built-in 8-bit RISC MCU
5 level stacks for subroutine and interrupt
6 available interrupts
8-bit real time clock/counter (TCC) with overflow interrupt
Built-in RC oscillator free running for WatchDog Timer and Dual clock mode
Two independent programmable prescalers for WDT and TCC
Two methods of power saving:
1. Power-down mode (SLEEP mode)
2. Low frequency mode.
Two clocks per instruction cycle
I/O Ports
Up to 12 general purposes I/O pins grouped into two ports (Port 6 and 7).
Up to 2 LED sink pins
Each GPIO pin of Ports 6 & Port 7 has an internal programmable pull-high resistor
(200K Ohms)
Each GPIO pin wakes up the MCU from sleep mode by input state change
Internal Memory
Built-in 2048K*13 bits MASK ROM
Built-in 80 bytes general purpose registers (SRAM)
Built-in USB Application FIFOs.
Operation Frequency
Normal Mode: MCU runs on the external oscillator frequency
Dual Clock Mode: MCU runs at the frequency of 256KHz (or 32KHz, 4KHz, 500Hz),
emitted by the internal oscillator with the external ceramic resonator (or crystal)
turned off to save power.
Built-in 3.3V Voltage Regulator
For MCU power supply
Pull-up source for the external USB resistor on D-pin.
Package Type
16 pin PDIP/SOP
18 pin PDIP/SOP
20 pin PDIP/SOP
20 pin SSOP
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