English
Language : 

CC2531F128 Datasheet, PDF (12/35 Pages) Texas Instruments – A USB-Enabled System-On-Chip Solution for 2.4-GHz IEEE 802.15.4 and ZigBee Applications
CC2531F128, CC2531F256
SWRS086A – SEPTEMBER 2009 – REVISED JUNE 2010
SPI AC CHARACTERISTICS
TA = –40°C to 125°C, VDD = 2 V to 3.6 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
SCK period
Master, RX and TX
SCK duty cycle
Master
t2
SSN low to SCK
t3
SCK to SSN high
t4
MOSI early out
t5
MOSI late out
t6
MISO setup
t7
MISO 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
t8
MISO early out
t9
MISO late out
t10 MOSI setup
t11 MOSI hold
Slave
Slave
Slave, load = 10 pF
Slave, load = 10 pF
Slave
Slave
Master, TX only
Operating frequency
Master, RX and TX
Slave, RX only
Slave, RX and TX
www.ti.com
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
0 ns
95 ns
35
ns
10
ns
8
4
MHz
8
4
SCK
SSN
MOSI
MISO
X
t2
t3
D0
t6
t7
D0
t4
t5
X
D1
X
Figure 2. SPI Master AC Characteristics
T0478-01
12
Submit Documentation Feedback
Copyright © 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): CC2531F128 CC2531F256