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ATTINY817-MFR. Datasheet(PDF) 26 Page - Microchip Technology

Part # ATTINY817-MFR.
Description  AVR짰 Microcontroller with Core Independent Peripherals and picoPower짰 Technology
PDF  492 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATTINY817-MFR. Datasheet(HTML) 26 Page - Microchip Technology

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RSTCTRL - Reset Controller
6.9.4.3
Oscillator Configuration
Name: 
OSCCFG
Offset:  0x02
Reset: 
-
Property:
 
-
Bit
7
6
5
4
3
2
1
0
OSCLOCK
FREQSEL[1:0]
Access
R
R
R
Reset
0
1
0
Bit 7 – OSCLOCK: Oscillator Lock
This fuse bit is loaded to LOCK in CLKCTRL.OSC20MCALIBB during reset.
Value
Description
0
Calibration registers of the 20 MHz oscillator are accessible
1
Calibration registers of the 20 MHz oscillator are locked
Bits 1:0 – FREQSEL[1:0]: Frequency Select
These bits selects the operation frequency of the 16/20MHz internal oscillator (OSC20M), and determine
the respective factory calibration values to be written to CAL20M in CLKCTRL.OSC20MCALIBA and
TEMPCAL20M in CLKCTRL.OSC20MCALIBB.
Value
Description
0x1
Run at 16MHz with corresponding factory calibration
0x2
Run at 20MHz with corresponding factory calibration
Other
Reserved
Related Links
Register Summary - CLKCTRL
RSTCTRL - Reset Controller
6.9.4.4
Timer Counter Type D Configuration
The bit values of this fuse register are written to the corresponding bits in the TCD.FAULTCTRL register
of TCD0 at start-up.
The CMPEN and CMP settings of the TCD will only be reloaded from the FUSE values after a Power-On
Reset. For all other resets the corresponding TCD settings of the device will remain unchanged.
Name: 
TCD0CFG
Offset:  0x04
Reset: 
-
Property:
 
-
ATtiny417/817
© 2017 Microchip Technology Inc.
Datasheet Complete
DS40001901B-page 26



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