10

Table 3. AC Electrical Specifications

Electrical characteristics over recommended operating conditions. Typical values at 25 °C, VDD = 2.8 V.

Parameter

Symbol

Min.

Typ.

Max.

Units

Notes

Motion Delay after Reset

50

ms

From RESET register write to valid motion

Power Down

50

ms

From PD active to low current

Wake from Power Down

50

55

ms

From PD inactive to valid motion (when

write 0x5a to register 0x3a)

MISO Rise Time

40

200

ns

CL = 100 pF

MISO Fall Time

40

200

ns

CL = 100 pF

MISO Delay after SCLK

120

ns

From SCLK falling edge to MISO data valid,

no load condition

MISO Hold Time

500

1/fSCLK

ns

Data held until next falling SCLK edge

MOSI Hold Time

200

ns

Amount of time data is valid after SCLK

rising edge

MOSI Setup Time

120

ns

From data valid to SCLK rising edge

SPI Time between

Write Commands

30

μs

From rising SCLK for last bit of the first data

byte, Commands to rising SCLK for last bit

of the second data byte

SPI Time between

Write and Read Command

20

μs

From rising SCLK f or last bit of the first

data byte, to rising SCLK for last bit of the

second address byte

SPI Time between Read and

Subsequent Commands

250

ns

From rising SCLK for last bit of the first data

byte, to falling SCLK for the first bit of the

next address

4

μs

From rising SCLK for last bit of the address

byte, to falling SCLK for first bit of data

being read

NCS to SCLK Active

120

ns

From NCS falling edge to first SCLK falling

edge

SCLK to NCS Inactive

(for Read Operation)

120

ns

From last SCLK rising edge to NCS rising

edge, for valid MISO data transfer

SCLK to NCS Inactive

(for Write Operation)

20

μs

From last SCLK rising edge to NCS rising

edge, for valid MOSI data transfer

NCS to MISO high-Z

250

ns

From NCS rising edge to MISO high-Z state

Transient Supply Current

60

mA

Max supply current during a VDD ramp

from 0 to VDD

PixArt Imaging Inc.

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc.