参数资料
型号: ADUC7032BSTZ-8V-RL
厂商: Analog Devices Inc
文件页数: 126/128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 97 of 128
HIGH VOLTAGE PERIPHERAL CONTROL
INTERFACE
The ADuC7032 integrates a number of high voltage circuit
functions which are controlled and monitored via a registered
interface consisting of 2 MMRs, namely, HVCON and HVDAT.
The HVCON register acts as a command byte interpreter
allowing the microcontroller to indirectly read or write 8-bit
data(the value in HVDAT) from/to one of 4 High voltage
status/configuration registers. It should be noted that these high
voltage registers are not MMRs but are so called ‘indirect’
registers that can only be accessed (as the name suggests)
indirectly via the HVCON and HVDAT MMRs.
The physical interface between the HVCON register and the
indirect high voltage registers is a 2 wire (data and clock) serial
interface based on a 2.56MHz serial clock. Therefore, there is a
finite, 10usecs(maximum) latency between the MCU core
writing a command into HVCON and that command or data
reaching the indirect high voltage registers. There is also a finite
10usecs latency between the MCU core writing a command into
HVCON and indirect register data being read back into the
HVDAT register. A busy bit (Bit0 of the HVCON when read by
MCU) can be polled by the MCU to confirm when a read/write
command has completed.
The following high voltage circuit functions are controlled and
monitored via this interface and Figure 35 below describes the
top-level architecture of the high voltage interface and related
circuits.
- Precision Oscillator
- Wake-Up pin functionality
- Power Supply Monitor
- Low Voltage Flag
- LIN Operating Modes
- High Voltage Diagnostics
- High Voltage Attenuator/Buffer Circuit
- High Voltage Temperature Monitor
05
99
4-
036
ARM7
MCU
AND
PERIPHERALS
HIGH-VOLTAGE
INTERFACE
MMRs
HVCON
HVDAT
PRECISION
OSCILLATOR
HVCFG0[6]
LVF
HVCFG0[2]
LIN
MODES
PSM
HVCFG0[3]
ATTENUATOR
AND
BUFFER
HVCFG1[5]
HVCFG1[7]
HV TEMP
MONITOR
HVCFG1[6]
HVCFG1[3]
HVCFG0
(INDIRECT)
HIGH-VOLTAGE
REGISTERS
HVCFG1
HVSTA
HVMON
SERIAL
INTERFACE
CONTROLLER
SERIAL
DATA
SERIAL
CLOCK
HIGH VOLTAGE
INTERRUPT
CONTROLLER
PSM—HVSTA[5]
WU—HVSTA[4]
OVER TEMP—HVSTA[3]
LIN S-SCT—HVSTA[2]
STI S-SCT—HVSTA[1]
WU S-SCT—HVSTA[0]
IRQ3
(IRQEN[16])
HIGH VOLTAGE
DIAGNOSTIC
CONTROLLER
WU DIAGNOSTIC I/P
HVCFG0[4]
STI DIAGNOSTIC I/P
P2.6
LIN DIAGNOSTIC I/P
P2.5
WU DIAGNOSTIC O/P
HVMON[7]
STI DIAGNOSTIC O/P
HVMON[5]
LIN DIAGNOSTIC O/P
P2.4
HVCFG0[5]
HVCFG0[1:0]
WU I/O
CONTROL
HVCFG0[4]
HVCFG1[4]
STI I/O
CONTROL
HVCFG1[3]
Figure 35 : High Voltage Interface, Top Level Block Diagram
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