Datasheet

www.ti.com
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 =0x001F?
YES
Read
Page4
M/F=0xFA
NO
A =0x001F?
NO
ROM
Function
Flow
Master TX:
ProgrammingPulse
MasterRX:
CRCofpreloaded
A[7:0]&shiftedD
YES
Write
Page4
M/F=0xAF
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
General Use — Memory Function Commands 0xFA (Read) and 0xAF (Write)
The general use space is erased to read 0x00. Data written to the general space is ORed with data already
present at the address to be written. A bit can only be flipped from 0 to 1.
Table 2. General Memory Space Addressing
ADDRESSES FUNCTION
0x001F – 0x0000 Page 4 – 32 bytes general use
(1) 16-Bit address is sent with lower 8-bit address followed by higher 8-bit address with least significant bit first.
Figure 7. General Memory OTP Write/Read Flows
10
Submit Documentation Feedback