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ST72P63BE1M1 Datasheet(PDF) 100 Page - STMicroelectronics

Part No. ST72P63BE1M1
Description  Low speed USB 8-bit MCU family with up to 32K Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI & I²C
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST72P63BE1M1 Datasheet(HTML) 100 Page - STMicroelectronics

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8-bit A/D converter (ADC) (Cont’d)
12.6.6 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 soft-
ware 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.
Bits 3:0 = CH[3:0] Channel Selection
These bits are set and cleared by software. They
select the analog input to convert.
1 The number of pins AND the channel selection
varies according to the device. Refer to the device
pinout.
2 For SDIP/SO34 devices, the CH3 bit is always at
‘0’. If, however, set to ‘1’ on error, channel (11:8)
becomes enabled which may result in a higher and
unnecessary level of consumption.
Data Register (DR)
Read Only
Reset value: 0000 0000 (00h)
Bits 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.
70
COCO
0
ADON
0
CH3
CH2
CH1
CH0
Channel Pin1
CH32
CH2
CH1
CH0
AIN0
0
000
AIN1
0
001
AIN2
0
010
AIN3
0
011
AIN4
0
100
AIN5
0
101
AIN6
0
110
AIN7
0
111
AIN8
1
000
AIN9
1
001
AIN10
1
010
AIN11
1
011
70
D7
D6
D5
D4
D3
D2
D1
D0


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