參數(shù)資料
型號(hào)： MQ80C154-16P883
廠商： TEMIC SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 16 MHz, MICROCONTROLLER, CQFP44
文件頁數(shù)： 121/142頁
文件大?。?/td> 61013K
代理商： MQ80C154-16P883
207
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
23.9.3
ADCL and ADCH – ADC Data Register
23.9.3.1
ADLAR = 0
23.9.3.2
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 preci-
sion 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.
23.9.4
ADCSRB – ADC Control and Status Register B
Bit 7 – Reserved
This bit is reserved for future use. To ensure compatibility with future devices, this bit must be written to zero when
ADCSRB is written.
Bit 2:0 – ADTS2:0: ADC Auto Trigger Source
If ADATE in ADCSRA is written to one, the value of these bits selects which source will trigger an ADC conversion.
If ADATE is cleared, the ADTS2:0 settings will have no effect. A conversion will be triggered by the rising edge of
the selected Interrupt Flag. Note that switching from a trigger source that is cleared to a trigger source that is set,
will generate a positive edge on the trigger signal. If ADEN in ADCSRA is set, this will start a conversion. Switching
to Free Running mode (ADTS[2:0]=0) will not cause a trigger event, even if the ADC Interrupt Flag is set
.
Bit
151413121110
9
8
(0x79)
–
ADC9
ADC8
ADCH
(0x78)
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADC1
ADC0
ADCL
765
43
21
0
Read/Write
RR
R
RR
R
Initial Value
000
00
0
000
00
0
Bit
151413121110
9
8
ADC9
ADC8
ADC7
ADC6
ADC5
ADC4
ADC3
ADC2
ADCH
ADC1
ADC0
–
–ADCL
765
43
21
0
Read/Write
RR
Initial Value
000
00
0
000
00
0
Bit
7
6543
210
(0x7B)
–
ACME
–
ADTS2
ADTS1
ADTS0
ADCSRB
Read/Write
R
R/W
RRR
R/W
Initial Value
0
0000
000
相關(guān)PDF資料
PDF描述
MQ83C154XXX-L16/883D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MQ83C154CXXX-25/883R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
MR80C154-L16/883R 8-BIT, 16 MHz, MICROCONTROLLER, CQCC44
MQ83C154CXXX-L16P883R 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQFP44
MR83C154CXXX-20P883R 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
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MQ80C154-36 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller
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