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ST7LITE49M Datasheet(PDF) 132 Page - STMicroelectronics

Part # ST7LITE49M
Description  8-bit MCU with single voltage Flash memory data EEPROM, ADC, 8/12-bit timers, and I²C interface
PDF  188 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE49M Datasheet(HTML) 132 Page - STMicroelectronics

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On-chip peripherals
ST7LITE49M
132/188
Data register High (ADCDRH)
Reset value: xxxx xxxx (xxh)
Bits 7:0 = D[9:2] MSB of Analog Converted Value
Adc Control/data register Low (ADCDRL)
Reset value: 0000 00xx (0xh)
Bits 7:4 = Reserved. Forced by hardware to 0.
Bit 3 = SLOW Slow mode bit
This bit is set and cleared by software. It is used together with the SPEED bit in the
ADCCSR register to configure the ADC clock speed as shown on the table below.
Bit 2 = Reserved. Forced by hardware to 0.
Bits 1:0 = D[1:0] LSB of Analog Converted value
7
0
D9
D8
D7
D6
D5
D4
D3
D2
Read only
7
0
0000
SLOW
0
D1
D0
Read/write
Table 55.
Configuring the ADC clock speed
fADC
(1)
1.
The maximum allowed value of fADC is 4 MHz (see Section 13.11 on page 172)
SLOW
SPEED
fCPU/2
0
0
fCPU
01
fCPU/4
1
x
Table 56.
ADC register mapping and reset values
Address
(Hex.)
Register
label
76543210
0036h
ADCCSR
Reset Value
EOC
0
SPEED
0
ADON
0
0
0
CH3
0
CH2
0
CH1
0
CH0
0
0037h
ADCDRH
Reset Value
D9
x
D8
x
D7
x
D6
x
D5
x
D4
x
D3
x
D2
x
0038h
ADCDRL
Reset Value
0
0
0
0
0
0
0
SLOW
0
0
D1
x
D0
x



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