ADNS-3060 查看數據表（PDF） - HP => Agilent Technologies

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ADNS-3060

High-performance Optical Mouse Sensor

HP => Agilent Technologies 

Required timing between Read and Write Commands (tsxx)

There are minimum timing requirements between read and write commands on the serial port.

tSWW ≥ 50µs

SCLK

Address

Data

Address

Data

Write Operation

Write Operation

Figure 19. Timing between two write commands

If the rising edge of the SCLK for the last data bit of the second write command occurs before

the 50 microsecond required delay, then the first write command may not complete correctly.

tSWR ≥ 50µs

SCLK

Address

Data

Address

Write Operation

Next Read

Operation

Figure 20. Timing between write and read commands

If the rising edge of SCLK for the last address bit of the read command occurs before the 50

microsecond required delay, the write command may not complete correctly.

tSRAD ≥ 50 µs for non-motion read

tSRAD-MOT ≥ 75 µs for register 0x02

tSRW & tSRR > 250 ns

SCLK

Address

Data

Address

Read Operation

Next Read or

Write Operation

Figure 21. Timing between read and either write or subsequent read commands

The falling edge of SCLK for the first address bit of either the read or write command must be at

least 250 ns after the last SCLK rising edge of the last data bit of the previous read operation.

In addition, during a read operation SCLK should be delayed after the last address bit to ensure

that the ADNS-3060 has time to prepare the requested data.

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