Rainbow Electronics DS28DG02 - Manual (Page 23)

DS28DG02: 2kb SPI EEPROM with PIO, RTC, Reset, Battery Monitor, and Watchdog
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Figure 16. Read SPI Status Register Timing
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CSZ
SCK
SI
SO
High Impedance
Read Status, Mode (0,0), 16 Clock Cycles Version
0 0 0 0 0 1 0 1
Instruction
7 6 5 4 3 2 1 0 7
Data from SPI Status Register Next Byte
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
CSZ
SCK
SI
SO
High Impedance
Read Status, Mode (0,0), 15 Clock Cycles Version
0 0 0 0 0 1 0 1
Instruction
7 6 5 4 3 2 1 0
Data from SPI Status Register
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
CSZ
SCK
SI
SO
Read Status, Mode (1,1)
High Impedance
0 0 0 0 0 1 0 1
Instruction
7 6 5 4 3 2 1 0
Data from SPI Status Register