Datasheet

6
PixArt Imaging Inc.
PAA5100JE Product Datasheet
Optical Tracking Chip
Version 1.00 |25 July 2018
PixArt Imaging Inc. http://www.pixart.com
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2.4 AC Characteristics
Table 6. AC Electrical Specifications
Parameters
Symbol
Min.
Typ.
Max.
Unit
Conditions
Motion Delay After Reset
t
MOT-RST
50
ms
From reset to valid motion,
assuming motion is present
Shutdown
t
STDWN
500
us
From Shutdown mode active to
low current
Wake from Shutdown
t
WAKEUP
50
ms
From Shutdown mode inactive
to valid motion. Notes: A RESET
must be asserted after a
shutdown. Refer to section
“Notes on Shutdown”, also
note t
MOT-RST.
MISO Rise Time
t
r-MISO
50
ns
C
L
= 100pF
MISO Fall Time
t
f-MISO
50
ns
C
L
= 100pF
MISO Delay After SCLK
t
DLY-MISO
120
ns
From SCLK falling edge to MISO
data valid, no load conditions
MISO Hold Time
t
hold-MISO
200
ns
Data held until next falling SCLK
edge
MOSI Hold Time
t
hold-MOSI
200
ns
Amount of time data is valid
after SCLK rising edge
MOSI Setup Time
t
setup-MOSI
120
ns
From data valid to SCLK rising
edge
SPI Time Between Write
Commands
t
SWW
10.5
s
From rising SCLK for last bit of
the first data byte, to rising
SCLK for last bit of the second
data byte.
SPI Time Between Write And
Read Commands
t
SWR
6
s
From rising SCLK for 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
t
SRW
t
SRR
1.5
s
From rising SCLK for last bit of
the first data byte, to falling
SCLK for the first bit of the
address byte of the next
command.
SPI Read Address-Data Delay
t
SRAD
2
s
From rising SCLK for last bit of
the address byte, to falling SCLK
for first bit of data being read.