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ATtiny167 Datasheet(PDF) 208 Page - ATMEL Corporation

Part # ATtiny167
Description  8-bit Microcontroller with 8K/16K Bytes In-System Programmable Flash and LIN Controller
PDF  282 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny167 Datasheet(HTML) 208 Page - ATMEL Corporation

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7728D–AVR–07/09
ATtiny87/ATtiny167
17.11.3
ADCL and ADCH – The ADC Data Register
17.11.3.1
ADLAR = 0
17.11.3.2
ADLAR = 1
When an ADC conversion is complete, the result is found in these two registers.
When ADCL is read, the ADC Data Register is not updated until ADCH is read. Consequently,
if the result is left adjusted and no more than 8-bit precision is required, it is sufficient to read
ADCH. Otherwise, ADCL must be read first, then ADCH.
The ADLAR bit in ADMUX, and the MUXn bits in ADMUX affect the way the result is read from
the registers. If ADLAR is set, the result is left adjusted. If ADLAR is cleared (default), the
result is right adjusted.
• ADC9:0: ADC Conversion Result
These bits represent the result from the conversion, as detailed in “ADC Conversion Result”
on page 202.
100
16
101
32
110
64
111
128
Table 17-6.
ADC Prescaler Selections (Continued)
ADPS2
ADPS1
ADPS0
Division Factor
Bit
151413
1211
10
9
8
–
–
–
–
–
–
ADC9
ADC8
ADCH
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
ADCL
765
43
21
0
Read/Write
RR
RR
RR
RR
RR
RR
RR
RR
Initial Value
0
0
0
0
0
0
0
0
000
00
00
0
Bit
151413
1211
10
9
8
ADC9
ADC8
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADCH
ADC1
ADC0
–
–
–
–
–
–
ADCL
765
43
21
0
Read/Write
RR
RR
RR
RR
RR
RR
RR
RR
Initial Value
0
0
0
0
0
0
0
0
000
00
00
0



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