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| CC2531 Datasheet, PDF (11/32 Pages) Texas Instruments – A USB Enabled System-On-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications | |||
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CC2531
www.ti.com ........................................................................................................................................................................................ SWRS086 â SEPTEMBER 2009
SPI AC CHARACTERISTICS
TA = â40°C to 125°C, VDD = 2 V to 3.6 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
t1 SCK period
SCK duty cycle
Master, Rx and Tx
Master
t2 SSN low to SCK
t3 SCK to SSN high
t4 MO early out
t7 MO late out
t6 MI setup
t5 MI hold
t1 SCK period
SCK duty cycle
Master
Master
Master, load = 10 pF
Master, load 10 = pF
Master
Master
Slave, Rx and Tx
Slave
t2 SSN low to SCK
t3 SCK to SSN high
t6 MO setup
t5 MO hold
t5 MI late out
Slave
Slave
Slave
Slave
Slave, load = 10 pF
Master, Tx only
Operating frequency
Master, Rx and Tx
Slave, Rx only
Slave, Rx and Tx
MIN
TYP
MAX UNIT
250
ns
50%
63
ns
63
ns
7 ns
10 ns
90
ns
10
ns
250
ns
50%
63
ns
63
ns
35
ns
10
ns
95 ns
8
4
MHz
8
4
t1
SCK
t2
t3
SSN
MO
(Master Out,
Slave In)
MI
(Master In,
Slave Out)
t4
t7
t5
t6
Figure 2. SPI AC Characteristics
T0439-01
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): CC2531
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