參數(shù)資料
型號: SDA 5254
廠商: SIEMENS AG
英文描述: TVTEXT 8-Bit Microcontroller(ROM-Versions )(TV視頻的8位微控制器(含ROM 型 ))
中文描述: TVTEXT 8位微控制器(ROM的版本)(電視視頻的8位微控制器(含光盤型))
文件頁數(shù): 114/143頁
文件大小: 1050K
代理商: SDA 5254
SDA 525x
Semiconductor Group
114
1998-04-08
ADC-Control Register ADCON
This register is bit addressable.
Table 26
ADC-Channel Select
MX1
0
0
1
1
ADC-Control Register
Default after reset: 00
H
(MSB)
PSC
ADCON
SFR-Address D8
H
(LSB)
MX0
STADC
IADC
BSY
ADM
0
MX1
PSC
Prescaler control: PSC = 0 for prescaler not active. Internal
master clock of ADC is equal to the internal chip clock.
PSC = 1 for prescaler active. Internal master clock of ADC is
at half the internal chip clock.
STADC
ADC sample time adjustment: STADC = 0 for normal sample
time. STADC = 1 for fourfold sample time.
IADC
ADC interrupt request flag. Set on completion of AD-
conversion. Must be cleared by software.
BSY
Busy flag; = 1, during conversion.
ADM
ADC-conversion mode: ADM = 0 for single and ADM = 1 for
continuous conversion.
ADCON.2
Always to be written with ‘0’.
MX1, MX0
ADC-channel select.
MX0
0
1
0
1
Selected Channel
0
1
2
3
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