10

AC Electrical Specifications

Parameter

Symbol

Minimum

Typical

Maximum

Units

Notes

Power Down

50

ms

From PD (when bit 1 of register 0x0d

is set) to low current

Wake from Power Down

50

55

ms

From PD inactive (when NRESET pin is

asserted high or write 0x5a to register

0x3a) to valid motion

Reset Pulse Width

250

ns

Active low.

Motion Delay after Reset

50

ms

From NRESET pull high to valid mo

present.

SDIO Rise Time

150

300

ns

SDIO Fall Time

150

300

ns

SDIO delay after SCLK

120

ns

From SCLK falling edge to SDIO data

valid, no load conditions.

SDIO Hold Time

100

ns

Data held until next falling SCLK edge.

SDIO Setup Time

120

ns

From data valid to SCLK rising edge.

SPI Time between

30

μs

From rising SCLK for last bit of the first

Write Commands

data byte, to rising SCLK for last bit of

the second data byte.

SPI Time between Write

20

μs

From rising SCLK for last bit of the first

and Read Commands

data byte, to rising SCLK for last bit of

the second address byte.

SPI Time between

500

ns

From rising SCLK for last bit of the first

Read and Subsequent

data byte, to falling SCLK for the first

Commands

bit of the next address.

SPI Read Address-Data

4

10

μs

From rising SCLK for last bit of the

Delay

address byte, to falling SCLK for first bit

of data being read.

NCS Inactive after

250

ns

Minimum NCS inactive time after

Motion Burst

motion burst before next SPI usage.

NCS to SCLK Active

120

ns

From NCS falling edge to first SCLK

rising edge.

SCLK to NCS Inactive

120

ns

From last SCLK rising edge to NCS

(for read operation)

rising edge, for valid SDIO data

transfer.

SCLK to NCS Inactive

20

us

From last SCLK rising edge to NCS

(for write operation)

rising edge, for valid SDIO data transfer.

NCS to SDIO High-Z

500

ns

From NCS rising edge to SDIO high-Z

state.

Transient Supply Current

60

mA

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PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-5050 Optical Mouse Sensor