参数资料
型号: ADUC7034BCPZ-RL
厂商: Analog Devices Inc
文件页数: 80/136页
文件大小: 0K
描述: IC MCU FLASH 32K ANLG IO 48LFCSP
标准包装: 2,500
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 20.48MHz
连通性: LIN,SPI,UART/USART
外围设备: POR,PSM,温度传感器,WDT
输入/输出数: 9
程序存储器容量: 32KB(16K x 16)
程序存储器类型: 闪存
RAM 容量: 1K x 32
电压 - 电源 (Vcc/Vdd): 3.5 V ~ 18 V
数据转换器: A/D 2x16b
振荡器型: 内部
工作温度: -40°C ~ 115°C
封装/外壳: 48-VFQFN 裸露焊盘,CSP
包装: 带卷 (TR)
ADuC7034
Rev. B | Page 48 of 136
Voltage/Temperature Channel ADC Control Register
Name:
ADC1CON
Address:
0xFFFF0510
Default Value:
0x0000
Access:
Read/write
Function:
The voltage/temperature channel ADC control MMR is a 16-bit register that is used to configure the V-/T-ADC.
Note:
If the VBAT attenuator input is selected, the voltage attenuator buffers are automatically enabled.
Table 37. ADC1CON MMR Bit Designations
Bit
Description
15
Voltage/temperature channel ADC enable.
Set to 1 by user code to enable the V-/T-ADC.
Clearing this bit to 0 powers down the V-/T-ADC.
14 to 13
VTEMP current source enable.
00 = disables current sources.
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.
12 to 10
Not used. These bits are reserved for future functionality and should not be modified by user code.
9
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.
8
Not used. This bit is reserved for future functionality and should be written as 0 by user code.
7 to 6
Voltage/temperature channel ADC input select.
00 = VBAT attenuator (VBAT/24 and AGND) is selected. The high voltage buffers are enabled automatically in this
configuration. The conversion result is written to ADC1DAT.
01 = external temperature inputs (VTEMP and GND_SW) are selected. The conversion result is written to ADC2DAT.
10 = internal sensor is selected. 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 is selected. Shorted input. The conversion result is written to ADC1DAT.
5 to 4
Voltage/temperature channel ADC reference select.
00 = internal 1.2 V precision reference is selected.
01 = external reference inputs VREF and GND_SW are selected.
10 = external reference inputs divided by 2 (that is, VREF and GND_SW divided by 2) are selected. This allows an external
reference up to REG_AVDD.
11 = the reference input REG_AVDD and AGND divided by 2 are selected for the voltage channel.
The reference inputs REG_AVDD and GND_SW divided by 2 are selected for the temperature channel.
3 to 0
Not used. These bits are reserved for future functionality and should not be written as 0 by user code.
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