參數(shù)資料
型號(hào)： ST72774S9T1
廠商： 意法半導(dǎo)體
元件分類： ADC
英文描述： 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
中文描述： 8位USB單片機(jī)的顯示器，高達(dá)60K章檢察官辦公室，每1000內(nèi)存，模數(shù)轉(zhuǎn)換器，定時(shí)器，同步，材質(zhì)單元，脈寬調(diào)制/的BRM，的H / W DDC的
文件頁數(shù)： 125/144頁
文件大?。?/td> 1280K
代理商： ST72774S9T1
ST72774/ST727754/ST72734
125/144
8-BIT A/D CONVERTER (ADC)
(Cont’d)
4.10.6 Register Description
CONTROL/STATUS REGISTER (CSR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7 =
COCO
Conversion Complete
This bit is set by hardware. It is cleared by software
reading the result in the DR register or writing to
the CSR register.
0: Conversion is not complete
1: Conversion can be read from the DR register
Bit 6 =
Reserved.
must always be cleared.
Bit 5 =
ADON
A/D Converter On
This bit is set and cleared by software.
0: A/D converter is switched off
1: A/D converter is switched on
Bit 4 =
Reserved.
must always be cleared.
Bit 3:0 =
CH[3:0]
Channel Selection
These bits are set and cleared by software. They
select the analog input to convert.
Note:
The number of pins AND the channel selection var-
ies according to the device. Refer to the device
pinout.
DATA REGISTER (DR)
Read Only
Reset Value: 0000 0000 (00h)
Bit 7:0 =
D[7:0]
Analog Converted Value
This register contains the converted analog value
in the range 00h to FFh.
Note:
Reading this register reset the COCO flag.
Table 30. ADC Register Map
7
0
COCO
0
ADON
0
CH3
CH2
CH1
CH0
Channel Pin*
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
AIN10
AIN11
AIN12
AIN13
AIN14
AIN15
CH3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
CH2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
CH1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
CH0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
7
0
D7
D6
D5
D4
D3
D2
D1
D0
Address
(Hex.)
Register
Name
7
6
5
4
3
2
1
0
0A
ADCDR
Reset Value
D7
0
D6
0
D5
0
D4
0
D3
0
D2
0
D1
0
D0
0
0B
ADCCSR
Reset Value
COCO
0
-
0
ADON
0
-
0
CH3
0
CH2
0
CH1
0
CH0
0
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