参数资料
型号: ADUC847BSZ8-3
厂商: Analog Devices Inc
文件页数: 47/108页
文件大小: 0K
描述: IC MCU FLASH W/24BIT ADC 52MQFP
标准包装: 1
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 12.58MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PSM,PWM,温度传感器,WDT
输入/输出数: 34
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 2.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 10x24b; D/A 1x12b,2x16b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 52-QFP
包装: 托盘
配用: EVAL-ADUC847QSZ-ND - KIT DEV QUICK START FOR ADUC847
Data Sheet
ADuC845/ADuC847/ADuC848
Rev. C | Page 43 of 108
ADC0CON1 (PRIMARY ADC CONTROL REGISTER)
ADC0CON1 is used to configure the primary ADC for buffer, unipolar, or bipolar coding, and ADC range configuration.
SFR Address:
D2H
Power-On Default:
07H
Bit Addressable:
No
Table 25. ADC0CON1 SFR Bit Designations
Bit No.
Name
Description
7, 6
BUF1, BUF0
Buffer Configuration Bits.
BUF1
BUF0
Buffer Configuration
0
ADC0+ and ADC0 are buffered
0
1
Reserved
1
0
Buffer Bypass
1
Reserved
5
UNI
Primary ADC Unipolar Bit.
Set by the user to enable unipolar coding; zero differential input results in 000000H output.
Cleared by the user to enable bipolar coding; zero differential input results in 800000H output.
4
–––
Not Implemented. Write Don’t Care.
3
–––
Not Implemented. Write Don’t Care.
2, 1, 0
RN2, RN1, RN0
Primary ADC Range Bits. Written by the user to select the primary ADC input range as follows:
RN2
RN1
RN0
Selected primary ADC input range (VREF = 2.5 V)
0
±20 mV (0 mV–20 mV in unipolar mode)
0
1
±40 mV (0 mV–40 mV in unipolar mode)
0
1
0
±80 mV (0 mV–80 mV in unipolar mode)
0
1
±160 mV (0 mV–160 mV in unipolar mode)
1
0
±320 mV (0 mV–320 mV in unipolar mode)
1
0
1
±640 mV (0 mV–640 mV in unipolar mode)
1
0
±1.28 V (0 V–1.28 V in unipolar mode)
1
±2.56 V (0 V–2.56 V in unipolar mode)
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