參數(shù)資料
型號: ST72F324BJ2T5
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, LQFP-44
文件頁數(shù): 6/167頁
文件大小: 2651K
代理商: ST72F324BJ2T5
ST72323 ST72323L
On-chip peripherals
Changing the conversion channel
The application can change channels during conversion. When software modifies the
CH[3:0] bits in the ADCCSR register, the current conversion is stopped, the EOC bit is
cleared, and the A/D converter starts converting the newly selected channel.
9.5.4
Low-power modes
Note that the A/D converter may be disabled by resetting the ADON bit. This feature allows
reduced power consumption when no conversion is needed.
9.5.5
Interrupts
None.
9.5.6
Register description
Control/status register (ADCCSR)
Reset value: 0000 0000 (00h)
R
Bit 7 = EOC End of Conversion
This bit is set by hardware. It is cleared by hardware when software reads the ADCDRH
register or writes to any bit of the ADCCSR register.
0: Conversion is not complete
1: Conversion complete
Bit 6 = SPEED ADC clock selection
This bit is set and cleared by software. It is used together with the MAX_SPEED bit to
select the ADC frequency. Refer to Table 49
Bit 5 = ADON A/D Converter on
This bit is set and cleared by software.
0: Disable ADC and stop conversion
1: Enable ADC and start conversion
Table 48.
Low-power modes
Mode
Description
Wait
No effect on A/D converter
Halt
A/D Converter disabled.
After wakeup from Halt mode, the A/D converter requires a stabilization time tSTAB (see
Electrical Characteristics) before accurate conversions can be performed.
7
0
EOC
SPEED
ADON
MAX_SPEED
CH3
CH2
CH1
CH0
Read only
Read/write
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參數(shù)描述
ST72F324BJ2T6 功能描述:8位微控制器 -MCU 8-BIT MCU W/ 8-32K Flash/ROM ADC RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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ST72F324BJ4T3 功能描述:8位微控制器 -MCU ST72324B 5V RANGE 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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