参数资料
型号: AT83EB5114XXXTGRIL
厂商: ATMEL CORP
元件分类: 微控制器/微处理器
英文描述: Low-pin-count 8-bit microcontroller with A/D converter
中文描述: 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PDSO20
封装: SO-20
文件页数: 64/95页
文件大小: 1126K
代理商: AT83EB5114XXXTGRIL
64
4311A–8051–01/05
Reset Value = X000 0000b
Table 49.
ADCLK Register
ADCLK (S:F2h)
ADC Clock Prescaler
sc
Reset Value = 0000 0000b
Table 50.
ADDH Registe
r
ADDH (S:F5h Read Only)
ADC Data High byte register
Read only register
Reset Value = 00h
5
ADEN
Enable/Standby Mode
Set to enable ADC.
Clear for Standby mode.
4
ADEOC
End Of Conversion
Set by hardware when ADC result is ready to be read. This flag can generate an
interrupt.
Must be cleared by software.
3
ADSST
Start and Status
Set to start an A/D conversion.
Cleared by hardware after completion of the conversion.
2-0
SCH2:0
Selection of channel to convert
see Table 45 on page 60.
7
6
5
4
3
2
1
0
SELREF
PRS 6
PRS 5
PRS 4
PRS 3
PRS 2
PRS 1
PRS 0
Bit
Number
Bit
Mnemonic
Description
7
SELREF
Selection and activation of the internal 2.4V voltage reference
Set to enable the internal voltage reference.
Clear to disable the internal voltage reference.
6-0
PRS6:0
Clock Prescaler
f
CONV_CK
= f
CkADC
/ (2 * PRS)
if PRS=0, f
CONV_CK
= f
CkADC
/ 256
7
6
5
4
3
2
1
0
ADAT 9
ADAT 8
ADAT 7
ADAT 6
ADAT 5
ADAT 4
ADAT 3
ADAT 2
Bit
Number
Bit
Mnemonic
Description
7-0
ADAT9:2
ADC result
bits 9-2
Bit
Number
Bit
Mnemonic
Description
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