参数资料
型号: ADUC7033BSTZ-88-RL
厂商: Analog Devices Inc
文件页数: 99/140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
HIGH VOLTAGE PERIPHERAL CONTROL INTERFACE
The ADuC7033 integrates a number of high voltage circuit
functions that are controlled and monitored through a regis-
tered interface consisting of two 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 or to one of four high voltage
status or configuration registers. These high voltage registers are
not MMRs but registers commonly referred to as indirect
registers, that is, they 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 2.56 MHz serial clock. Therefore, there is a
finite, 10 μs (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 10 μs
latency between the MCU core writing a command into HVCON
and indirect register data being read back into the HVDAT
register. A busy bit (Bit 0 of the HVCON when read by MCU)
can be polled by the MCU to confirm when a read/write
command is complete.
Figure shows the top level architecture of the high voltage
interface and related circuits. The following high voltage circuit
functions are controlled and monitored via this interface:
? Precision oscillator
? Wake-up (WU) pin functionality
? Power supply monitor (PSM)
? Low voltage flag (LVF)
? LIN operating modes
? STI diagnostics
? High voltage diagnostics
? High voltage attenuator/buffer circuit
? High voltage (HV) temperature monitor
(INDIRECT)
HIGH VOLTAGE
REGISTERS
HIGH VOLTAGE
INTERFACE
MMRs
SERIAL
HVCFG0
HVCFG0[6]
PRECISION
OSCILLATOR
DATA
HVCON
SERIAL
HVCFG1
HVDAT
SERIAL
CLOCK
INTERFACE
CONTROLLER
HVSTA
HVCFG0[3]
PSM
HVMON
PSM—HVSTA[5]
HVCFG0[2]
LVF
IRQ3
(IRQEN[16])
HIGH VOLTAGE
INTERRUPT
WU—HVSTA[4]
OVER TEMP—HVSTA[3]
ARM7
CONTROLLER
LIN S-SCT—HVSTA[2]
STI S-SCT—HVSTA[1]
MCU
AND
PERIPHERALS
WU S-SCT—HVSTA[0]
HVCFG0[5]
HVCFG0[1:0]
LIN
MODES
WU DIAGNOSTIC INPUT
WU DIAGNOSTIC OUTPUT
HVCFG0[4]
HVMON[7]
HVCFG0[4]
WU I/O
STI DIAGNOSTIC INPUT
P2.6
LIN DIAGNOSTIC INPUT
P2.5
HIGH VOLTAGE
DIAGNOSTIC
CONTROLLER
STI DIAGNOSTIC OUTPUT
HVMON[5]
LIN DIAGNOSTIC OUTPUT
P2.4
HVCFG1[4]
HVCFG1[4]
CONTROL
STI I/O
CONTROL
HVCFG1[3]
HVCFG1[6]
HVCFG1[7]
HVCFG1[5]
ATTENUATOR
AND
BUFFER
HV TEMP
MONITOR
HVCFG1[3]
Figure 40. High Voltage Interface, Top Level Block Diagram
Rev. B | Page 99 of 140
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