參數(shù)資料
型號(hào)： MF180C31-16R
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 16 MHz, MICROCONTROLLER, PQFP44
封裝： QFP-44
文件頁(yè)數(shù)： 44/91頁(yè)
文件大?。?/td> 19688K
代理商： MF180C31-16R
39
7707F–AVR–11/10
AT90USB82/162
7.
Power Distribution
The AT90USB82/162 product includes an internal 5V to 3.3V regulator that
allows to supply the USB pad (see Figure 7-1.) and, depending on the applica-
tion, external components or even the microcontroller itself (see Figure 7-2.).
Figure 7-1.
5V configuration
Figure 7-2.
5V / 3.3V configuration
USB Pad
PS/2 Pad
AVR Core
I/O
3.3V Reg
Comparator
UVSS
VSS
UVCC
UCAP
VCC
VBus or PS/2 Vcc (5V)
Band
Gap
POR
BOD
PLL
AVCC
USB or PS/2 connector
USB Pad
PS/2 Pad
AVR Core
I/O
3.3V Reg
Comparator
UVSS
VSS
UVCC
UCAP
VCC
VBus or PS/2 Vcc (5V)
Band
Gap
POR
BOD
PLL
AVCC
USB or PS/2 connector
at least 50 mA
for external chips
(3.3V)
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