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型号： EVAL-ADUC7036QSPZ
厂商： Analog Devices Inc
文件页数： 128/132页
文件大小： 0K
描述： BOARD EVAL FOR ADUC7036
设计资源： EVAL-ADUC7036 Schematic & Brd Outline
EVAL ADUC7036 Gerber Files
标准包装： 1
系列： QuickStart™ PLUS 套件
主要目的： 电源管理，电池监控器
嵌入式： 是，MCU，16/32 位
已用 IC / 零件： ADuC7036
已供物品： 板，线缆，文档，仿真器，电源，软件
ADuC7036
Rev. C | Page 95 of 132
HIGH VOLTAGE PERIPHERAL CONTROL INTERFACE
The ADuC7036 integrates several high voltage circuit functions
that are controlled and monitored through a registered interface
consisting of two MMRs: 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 confi-
guration registers. These high voltage registers are not MMRs
but are registers commonly referred to as indirect registers; that
is, they can be accessed (as the name suggests) only 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 the indirect register data being read back into the HVDAT
register. A busy bit (for example, Bit 0 of the HVCON when
read by MCU) can be polled by the MCU to confirm when
a read/write command is complete.
The following high voltage circuit functions are controlled and
monitored via this interface. Figure 41 shows the top-level
architecture of the high voltage interface and the following
related circuits:
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 buffers circuit
High voltage (HV) temperature monitor
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 INPUT
HVCFG0[4]
STI DIAGNOSTIC INPUT
P2.6
LIN DIAGNOSTIC INPUT
P2.5
WU DIAGNOSTIC OUTPUT
HVMON[7]
STI DIAGNOSTIC OUTPUT
HVMON[5]
LIN DIAGNOSTIC OUTPUT
P2.4
HVCFG0[5]
HVCFG0[1:0]
WU I/O
CONTROL
HVCFG0[4]
HVCFG1[4]
STI I/O
CONTROL
HVCFG1[3]
07
47
4-
038
Figure 41. High Voltage Interface, Top-Level Block Diagram
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