参数资料
型号: ADUC7033BSTZ-88-RL
厂商: Analog Devices Inc
文件页数: 52/140页
文件大小: 0K
描述: IC BATT SENSOR PREC 48LQFP
标准包装: 2,000
功能: 电池监控器
电源电压: 3.5 V ~ 18 V
工作温度: -40°C ~ 115°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
ADuC7033
Voltage/Temperature Channel ADC Control Register
Name:
Address:
Default Value:
Access:
Function:
Note:
ADC1CON
0xFFFF0510
0x0000
Read/write
The voltage/temperature channel ADC control MMR is a 16-bit register that is used to configure the V/T-ADC.
When enabling/disabling the voltage/temperature ADC, the voltage attenuator must also be enabled/disabled via
HVCFG1[7].
Table 38. ADC1CON MMR Bit Designations
Bit
15
14, 13
12 to 10
9
8
7, 6
5, 4
3 to 0
Description
Voltage/Temperature Channel ADC Enable.
Set to 1 by user code to enable the V/T-ADC. When enabling/disabling the voltage channel, the voltage attenuator must
also be enabled/disabled via HVCFG1[7] if measuring battery voltage.
Clearing this bit to 0 powers down the V/T-ADC.
VTEMP Current Source Enable.
00 = current sources off.
01 = enables 50 μA current source on VTEMP.
10 = enables 50 μA current source on GND_SW.
11 = enables 50 μA current source on both VTEMP and GND_SW.
Not Used. These bits are reserved for future functionality and should not be modified by user code.
Voltage/Temperature Channel ADC Output Coding.
Set to 1 by user code to configure V/T-ADC output coding as unipolar.
Cleared to 0 by user code to configure V/T-ADC output coding as twos complement.
Not Used. This bit is reserved for future functionality and should be written as 0 by user code.
Voltage/Temperature Channel ADC Input Select.
00 = VBAT/24, AGND. VBAT attenuator selected.
01 = VTEMP, GND_SW. External temperature input selected, conversion result written to ADC2DAT.
10 = internal sensor. Internal temperature sensor input selected, conversion result written to ADC2DAT. The temperature
gradient is 0.33 mV/°C; this is only applicable to the internal temperature sensor.
11 = internal short. Shorted input.
Voltage/Temperature Channel ADC Reference Select.
00 = internal, 1.2 V precision reference selected.
01 = external reference inputs (VREF, GND_SW) selected.
10 = external reference inputs divided-by-two (VREF, GND_SW)/2 selected. This allows an external reference up to
REG_AVDD.
11 = (REG_AVDD, AGND)/2 selected for the voltage channel. (REG_AVDD, GND_SW)/2 selected for the temperature
channel.
Not Used. These bits are reserved for future functionality and should not be written as 0 by user code.
Rev. B | Page 52 of 140
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