参数资料
型号: ST7PLU09MCTRE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO8
封装: 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件页数: 98/124页
文件大小: 1995K
代理商: ST7PLU09MCTRE
ST7LUS5, ST7LU05, ST7LU09
On-chip peripherals
10.3
10-bit A/D converter (ADC)
10.3.1
Introduction
The on-chip Analog to Digital Converter (ADC) peripheral is a 10-bit, successive
approximation converter with internal sample and hold circuitry. This peripheral has up to 5
multiplexed analog input channels (refer to device pin out description) that allow the
peripheral to convert the analog voltage levels from up to 5 different sources.
The result of the conversion is stored in a 10-bit Data Register. The A/D converter is
controlled through a Control/Status Register.
10.3.2
Main features
10-bit conversion
Up to 5 channels with multiplexed input
Linear successive approximation
Data register (DR) which contains the results
Conversion complete status flag
On/off bit (to reduce consumption)
The block diagram is shown in Figure 34.
Table 46.
Register map and reset values
Address
(hex.)
Register
label
7
654
321
0
0D
ATCSR
Reset value
00
0
CK1
0
CK0
0
OVF
0
OVFIE
0
CMPIE
0
0E
CNTRH
Reset value
0
000
CN11
0
CN10
0
CN9
0
CN8
0
0F
CNTRL
Reset value
CN7
0
CN6
0
CN5
0
CN4
0
CN3
0
CN2
0
CN1
0
CN0
0
10
ATRH
Reset value
0
000
ATR11
0
ATR10
0
ATR9
0
ATR8
0
11
ATRL
Reset value
ATR7
0
ATR6
0
ATR5
0
ATR4
0
ATR3
0
ATR2
0
ATR1
0
ATR0
0
12
PWMCR
Reset value
0
000
OE0
0
13
PWM0CSR
Reset value
0
000
00
OP
0
CMPF0
0
17
DCR0H
Reset value
0
000
DCR11
0
DCR10
0
DCR9
0
DCR8
0
18
DCR0L
Reset value
DCR7
0
DCR6
0
DCR5
0
DCR4
0
DCR3
0
DCR2
0
DCR1
0
DCR0
0
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