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A = A +1
ROM
Function
Flow
Master TX:
16-bitaddress, A
MasterRX:
CRCofM/Fcmd& A
MasterRX:
D
MasterRX:
8-bitdata@ A
A =0x0007?
YES
Read
Status
Flow
M/F=0xAA
NO
A =0x0007?
NO
ROM
Function
Flow
Master TX:
ProgrammingPulse
MasterRX:
CRCofpreloaded
A[7:0]&shiftedD
YES
Write
Status
Flow
M/F=0x55
Master TX:
16-bitaddress, A
A = A +1
MasterRX:
CRCofalldatatransmitted
MasterRX:
CRCofM/Fcmd, A &D
Master TX:
8-bitdata,D
Master TX:
8-bitdata,D
CRC= A[7:0]
(1)
(1)
bq26100
SLUS696A – JUNE 2006 – REVISED FEBRUARY 2007
(1) 16-Bit address is sent with lower 8-bit address followed by higher 8-bit address with least significant bit first.
Figure 8. Status OTP Write/Read Flows
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