參數(shù)資料
型號： MD80C52TXXX-36P883D
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
封裝： 0.600 INCH, CERAMIC, DIP-40
文件頁數(shù)： 54/91頁
文件大?。?/td> 19688K
代理商： MD80C52TXXX-36P883D
40
7707F–AVR–11/10
AT90USB82/162
Figure 7-3.
3.3V configuration
Important note:
In the 3.3V configuration, the internal regulator is bypassed. The regulator has to be disabled to
avoid extra power consumption.
7.0.1
Regulator Control Register – REGCR
Bit 0 – REGDIS: Regulator Disable
Set this bit to disable the internal 3.3V regulator. This bit should be used only in a full 3.3V appli-
cation. This bit is reset to 0 in every case. The firmware has the responsability to set it after each
reset if required.
USB Pad
PS/2 Pad
AVR Core
I/O
3.3V Reg
Comparator
UVSS
VSS
UVCC
UCAP
VCC
Band
Gap
POR
BOD
PLL
AVCC
(3.3V)
Bit
7654
3
2
1
0
----
-
REGDIS
REGCR
Read/Write
RRRR
R
R/W
Initial Value
0000
0
相關(guān)PDF資料
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