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STR720 Datasheet(PDF) 342 Page - STMicroelectronics

No. de pieza STR720
Descripción Electrónicos  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 Datasheet(HTML) 342 Page - STMicroelectronics

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STR720 - S-D ANALOG/DIGITAL CONVERTER (ADC)
342/401
ADC Data Register n, n = 0 .. 3 (ADCDATAn)
Address Offsets: 00h, 08h, 10h, 18h
Reset Values: 0000h
Four data registers, one for each of the analogue input channels, are available. The 12 most
significant bits will contain the result of the conversion, while the least significant bits of each
register should be ignored. Values reported in data registers are expressed in 2’s complement
notation. The data registers will be filled in numerical sequence in the round-robin channel
mode. In single channel mode, only the selected channel will be updated.
Bit 15:0 = DATA[15:0]: DATA sample
This read-only register contains the last sampled value on the corresponding channel.
22.4.1
Register map
Refer to Table 20 on page 49 for the base address.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DATA[15:0]
r
Table 71. ADC Register Map
Addr.
Offset
Register
Name
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
00
ADCDATA0
DATA[15:0]
08
ADCDATA1
DATA[15:0]
10
ADCDATA2
DATA[15:0]
18
ADCDATA3
DATA[15:0]
20
ADCCSR
Reserved
OR
Res.
IE[3:0]
Res.
AXT
A[1:0]
DA[3:0]
28
Reserved
30
ADCCPR
Reserved
PRESC[7:0]



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