参数资料
型号: ADUC7039BCP6Z
厂商: Analog Devices Inc
文件页数: 79/92页
文件大小: 0K
描述: IC MCU ARM7 BATT SENSER 32LFCSP
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
外围设备: POR,温度传感器,WDT
输入/输出数: 6
程序存储器容量: 64KB(32K 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: 32-VFQFN 裸露焊盘,CSP
包装: 托盘
ADuC7039
Data Sheet
Rev. D | Page 80 of 92
High Voltage Configuration Register
Name:
HVCFG
Address:
Indirectly addressed via the HVCON high voltage interface
Default Value: 0x00
Access:
Read/write
Function:
This 8-bit register controls the function of high voltage circuits on the ADuC7039. This register is not an MMR and
does not appear in the MMR memory map. It is accessed via the HVCON registered interface. Data to be written to
this register is loaded via the HVDAT MMR, and data is read back from this register via the HVDAT MMR.
Table 59. HVCFG Bit Designations
Bit
Description
7 to 5
Reserved.
4
Low voltage flag (LVF) enable bit.
This bit is cleared to 0 to disable the LVF function.
This bit is set to 1 to enable the LVF function. The low voltage flag can be interrogated via HVSTA[2]after power-up to
determine if the REG_DVDD voltage previously dropped below 2.1 V.
3
Voltage attenuator diagnostic enable bit.
This bit is set to 1 to turn on a current source, which adds a differential voltage to the voltage channel measurement.
This bit is cleared to 0 to disable the voltage attenuator diagnostic.
2
LIN driver re-enable bit.
This bit is set to 1 to re-enable the LIN driver that would have been disabled as a result of a short-circuit current event.
This bit is cleared to 0 automatically.
1
Enable/disable LIN short-circuit protection.
This bit is set to 1 to enable passive short-circuit protection on the LIN pin. In this mode, a short-circuit event on the
LIN pin generates a high voltage interrupt (if enabled in IRQEN[10]) and asserts the appropriate status bit in HVSTA
but does not disable the short-circuiting pin.
This bit is cleared to 0 to enable active short-circuit protection on the LIN pin. In this mode, during a short-circuit
event, the LIN pin generates a high voltage interrupt (IRQSTA[10]), asserts HVSTA[0], and automatically disables the
short-circuiting pin. When disabled, the I/O pin can only be re-enabled by writing to HVCFG[2].
A LIN short circuit event must last longer than 20 s to be detected.
0
LIN operating mode.
0 = LIN disabled.
1 = LIN enabled.
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