參數(shù)資料
型號(hào): ADUC7039BCP6Z-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 18/92頁(yè)
文件大?。?/td> 0K
描述: IC MCU ARM7 BATT SENSER 32LFCSP
標(biāo)準(zhǔn)包裝: 2,500
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 20.48MHz
連通性: LIN,SPI
外圍設(shè)備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 6
程序存儲(chǔ)器容量: 64KB(32K x 16)
程序存儲(chǔ)器類(lèi)型: 閃存
RAM 容量: 1K x 32
電壓 - 電源 (Vcc/Vdd): 3.5 V ~ 18 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 2x16b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 115°C
封裝/外殼: 32-VFQFN 裸露焊盤(pán),CSP
包裝: 帶卷 (TR)
Data Sheet
ADuC7039
Rev. D | Page 25 of 92
Normal kernel execution time, excluding LIN download, is less
than 5 ms. It is only possible to enter and leave LIN download
mode through a reset.
SRAM Address 0 to Address 0x2B are modified during normal
kernel execution, SRAM Address 0xFF to Address 0x110 are
also modified during a LIN download.
Note that even with NTRST = 0, user code is not executed
unless Address 0x801FC contains either 0x16400000 or the
CRC of Page 0. If Address 0x801FC does not contain this
information, user code is not executed and LIN download
mode is entered. During kernel execution, JTAG access is
disabled.
The ADuC7039 is delivered with flash user space fully erased
and if NTRST = 0 at first power-up, the LIN download mode
is entered.
With NTRST = 1, user code is always executed and JTAG is
enabled.
Figure 9. ADuC7039 Kernel Flowchart
POWER DOWN
KICK WDT
TRY TO SWITCH
OFF WDT
INITIALIZE WDT
INITIALIZE HV CHIP
COPY MANID TO MMRs
RESET
(EXT, POR, OR WDT)
RUN
USER CODE
SOFTWARE
RESET
KERNEL
CRC ERROR?
YES
NTRST = 1?
YES
NO
YES
NTRST = 1?
MULTIPLE
CRC ERROR?
NO
0x801FC =
0xFFFFFFFF?
LIN RECEIVED?
YES
NO
0x801FC =
0x16400000?
YES
NO
0x801FC =
PAGE0 CRC?
KICK WDT
HANDLE LIN
COMMAND
USER RESET?
NO
YES
RESET
COMMAND?
YES
NO
08
463
-01
0
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