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MAX17841B Datasheet(PDF) 20 Page - Maxim Integrated Products

No. de pieza MAX17841B
Descripción Electrónicos  Automotive SPI Communication Interface (ASCI)
PDF  33 Pages
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Fabricante Electrónico  MAXIM [Maxim Integrated Products]
Página de inicio  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX17841B Datasheet(HTML) 20 Page - Maxim Integrated Products

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Table 10. UART Daisy-Chain Initialization Sequence (continued)
DIN
DOUT
DESCRIPTION
TRANSACTION 7
Waitfornullmessagetobereceived(pollRX_Empty_Statusbit)
01h
xxh
ReadRX_Statusregister
TRANSACTION 8
Cleartransmitbuffer
20h
xxh
Cleartransmitbuffer
TRANSACTION 9
Clearreceivebuffer
E0h
xxh
Clearreceivebuffer
TRANSACTION 10
LoadtheHELLOALLcommandsequenceintotheloadqueue
C0h
xxh
WR_LD_QSPIcommandbyte(writetheloadqueue)
03h
xxh
Message length
57h
xxh
HELLOALLcommandbyte
00h
xxh
Register address (0x00)
00h
xxh
InitializationaddressofHELLOALL
TRANSACTION 11
Verifycontentsoftheloadqueue
C1h
xxh
RD_LD_QSPIcommandbyte
xxh
03h
OK
xxh
57h
OK
xxh
00h
OK
xxh
00h
OK
TRANSACTION 12
TransmitHELLOALLsequence
B0h
xxh
WR_NXT_LD_QSPIcommandbyte(writethenextloadqueue)
TRANSACTION 13
PollRX_Stop_Statusbit
01h
xxh
ReadRX_Statusregister
xxh
12h
IfRX_Status[1]istrue,continue.Iffalse,thenrepeattransactionuntiltrue.
TRANSACTION 14
Servicereceivebuffer.ReadtheHELLOALLmessagethatpropagatedthroughthedaisy-chainandwas
returned back to the ASCI. The host should verify the device count.
93h
xxh
RD_NXT_MSGSPItransaction
xxh
57h
Sentcommandbyte(HELLOALL)
xxh
00h
Sent address = 00h
xxh
02h
Returned address = 02h
TRANSACTION 15
Checkforreceivebuffererrors
09h
xxh
ReadRX_Interrupt_Flagsregister
xxh
00h
Ifnoerrors,continue.Otherwise,clearandgotoerrorroutine.
Maxim Integrated │ 20
MAX17841B
Automotive SPI Communication Interface (ASCI)
www.maximintegrated.com



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