BQ2026 Datasheet, PDF (8/22 Pages) Texas Instruments – 1.5K-Bit Serial EPROM With SDQ Interface

bq2026
SLUS938 – DECEMBER 2011
www.ti.com
Read
Status
Flow
Write
Status
Flow
Master TX:
16-bit address, A
Master TX:
16-bit address, A
Master RX:
8-bit data at A
A=A+1
Master TX:
8-bit data, D
A = 0x0107?
NO
YES
Master RX:
CRC of all data transmitted
Master RX:
CRC of M/F cmd, A & D
Master TX:
Programming Pulse
Master RX:
CRC of preloaded
A[15:0] & shifted D
ROM
Function
Flow
Master RX:
D
A = 0x0107? _NO
YES
A=A+1
ROM
Function
Flow
Figure 8. Status Memory Read and Write Flowchart
Master TX:
8-bit data, D
CRC =
A[15:0]
8
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