参数资料
型号: ADUC7032BSTZ-8V-RL
厂商: Analog Devices Inc
文件页数: 92/128页
文件大小: 0K
描述: IC BATTERY SENSOR PREC 48-LQFP
标准包装: 1
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: 96KB(48K x 16)
程序存储器类型: 闪存
RAM 容量: 1.5K 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 ~ 105°C
封装/外壳: 48-LQFP
包装: 标准包装
其它名称: ADUC7032BSTZ-8V-RLDKR
Preliminary Technical Data
ADuC7032
Rev. PrD | Page 66 of 128
Temperature ADC Diagnostics
The ADuC7032 features the capability to detect Open Circuit
conditions on the Temperature Channel inputs. This is
accomplished using the two current sources on VTEMP+ and
GND_SW, which is controlled via ADC2CON[14,13].
The use of both the VTEMP+ and GND_SW current sources is
shown in Table 34.
To verify the Temperature ADC is converting correctly, it is
possible to select an internal test voltage via ADC2CON[7,6].
Selecting mode 10 results in the current ADC converting the
Voltage Reference, e.g. The Precision 1.2V Reference, divided
by 136.
Table 33: Current ADC Diagnostics
Fault Condition
Current Source
Enabled
ADC0DAT Result
Short between IIN+ and IIN-
at pins of device
IIN+ or IIN-
No difference between ADC0DAT result prior to and after IIN+
(or IIN-) current source is enabled
Short Between IIN+ and GND
IIN+
No difference between ADC0DAT result prior to and after IIN+
current source is enabled
Short Between IIN- and GND
IIN-
No difference between ADC0DAT result prior to and after IIN-
current source is enabled
IIN+ Open Circuit
IIN+
Positive Full Scale ( 0x7FFF in Bi Polar Mode )
IIN- Open Circuit
IIN-
Negative Full Scale ( 0x8000 in Bi Polar Mode )
Table 34: Temperature ADC Diagnostics
Fault Condition
Current Source
Enabled
ADC0DAT Result
Short between VTEMP+ and
GND_SW at pins of device
VTEMP+ or GND_SW
No difference between reading prior to and after VTEMP+ or
GND_SW current source is enabled
Short Between VTEMP+ and
GND
VTEMP+
No difference between reading prior to and after VTEMP+
current source is enabled
Short Between GND_SW and
GND
GND_SW
No difference between reading prior to and after GND_SW
current source is enabled
VTEMP+ Open Circuit
VTEMP+
Positive Full Scale ( 0x7FFF in Bi Polar Mode )
GND_SW Open Circuit
GND_SW
Negative Full Scale ( 0x8000 in Bi Polar Mode )
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