参数资料
型号: ST72511R6T6/XXX
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, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 26/164页
文件大小: 1043K
代理商: ST72511R6T6/XXX
ST72311R, ST72511R, ST72512R, ST72532R
121/164
10.8 8-BIT A/D CONVERTER (ADC)
10.8.1 Introduction
The on-chip Analog to Digital Converter (ADC) pe-
ripheral is a 8-bit, successive approximation con-
verter with internal sample and hold circuitry. This
peripheral has up to 16 multiplexed analog input
channels (refer to device pin out description) that
allow the peripheral to convert the analog voltage
levels from up to 16 different sources.
The result of the conversion is stored in a 8-bit
Data Register. The A/D converter is controlled
through a Control/Status Register.
10.8.2 Main Features
s
8-bit conversion
s
Up to 16 channels with multiplexed input
s
Linear successive approximation
s
Data register (DR) which contains the results
s
Conversion complete status flag
s
On/off bit (to reduce consumption)
The block diagram is shown in Figure 62.
10.8.3 Functional Description
10.8.3.1 Analog Power Supply
VDDA and VSSA are the high and low level refer-
ence voltage pins. In some devices (refer to device
pin out description) they are internally connected
to the VDD and VSS pins.
Conversion accuracy may therefore be impacted
by voltage drops and noise in the event of heavily
loaded or badly decoupled power supply lines.
See electrical characteristics section for more de-
tails.
Figure 62. ADC Block Diagram
CH2
CH1
CH3
COCO
0
ADON
0
CH0
ADCCSR
AIN0
AIN1
ANALOG TO DIGITAL
CONVERTER
AINx
ANALOG
MUX
RADC
CADC
D2
D1
D3
D7
D6
D5
D4
D0
ADCDR
4
DIV 2
fADC
fCPU
HOLD CONTROL
相关PDF资料
PDF描述
ST72532R4T7S/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72512R4T1S/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72532R4T1S/XXX 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72T512R4T6 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP64
ST72T512R4T7 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP64
相关代理商/技术参数
参数描述
ST72561K4 制造商:STMicroelectronics 功能描述:LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS,FLASH MEMORY, - Bulk
ST72589-EMU2 功能描述:仿真器/模拟器 ST7 Emulator Board RoHS:否 制造商:Blackhawk 产品:System Trace Emulators 工具用于评估:C6000, C5000, C2000, OMAP, DAVINCI, SITARA, TMS470, TMS570, ARM 7/9, ARM Cortex A8/R4/M3 用于:XDS560v2
ST72611F1 制造商:STMicroelectronics 功能描述:LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS,FLASH MEMORY, - Bulk
ST7263-EMU2 功能描述:仿真器/模拟器 ST7 Emulator Board RoHS:否 制造商:Blackhawk 产品:System Trace Emulators 工具用于评估:C6000, C5000, C2000, OMAP, DAVINCI, SITARA, TMS470, TMS570, ARM 7/9, ARM Cortex A8/R4/M3 用于:XDS560v2
ST7265X-EVAL/MS 制造商:STMicroelectronics 功能描述:ST6 EVAL BD - Bulk