参数资料
型号: ST7FLCD1G9M1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDSO28
封装: ROHS COMPLIANT, SO-28
文件页数: 47/96页
文件大小: 846K
代理商: ST7FLCD1G9M1
ST7FLCD1
8-bit Analog-to-Digital Converter (ADC)
CONTROL/STATUS REGISTER (ADCCSR)
Read/Write
Reset Value: (00h)
Bit 7 = COCO Conversion Complete
This bit is set by hardware. It is cleared by software by reading the result in the DR register or
writing to the CSR register.
0
Conversion is not complete (default)
1
Conversion can be read from the DR register.
Bit 6 = Reserved. This bit must be cleared by software.
Bit 5 = ADON A/D converter On
This bit is set and cleared by software.
0
A/D converter is switched off (default)
1
A/D converter is switched on
Note:
Remember that the ADC needs time to stabilize after the ADON bit is set.
Bits [4:2] = Reserved. Forced to 0 by hardware.
Bits [1:0] = CH[1:0] Channel Selection.
These bits are set and cleared by software. They select the analog input to be converted.
DATA REGISTER (ADCDR)
Read Only
Reset Value: (00h)
Bits [7:0] = AD[7:0] Analog Converted Value.
This register contains the converted analog value in the range 00h to FFh.
Reading this register resets the COCO flag.
765
432
10
COCO
0
ADON
0
CH1
CH0
Table 20: Channel Selection
Pin
CH1
CH0
AIN0 (Default)
00
AIN1
0
1
AIN2
1
0
AIN3
1
765
432
10
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
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