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CC2540T_15 Datasheet, PDF (16/37 Pages) Texas Instruments – SimpleLink CC2540T 2.4-GHz Bluetooth Low Energy Wireless MCU
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CC2540T
SWRS172 – JULY 2014
4.20 SPI AC Characteristics
TA = –40°C to 125°C, VDD = 2 V to 3.6 V
PARAMETER
t1
SCK period
SCK duty cycle
t2
SSN low to SCK
t3
SCK to SSN high
t4
MOSI early out
t5
MOSI late out
t6
MISO setup
t7
MISO hold
SCK duty cycle
t10
MOSI setup
t11
MOSI hold
t9
MISO late out
Operating frequency
Master, RX and TX
Slave, RX and TX
Master
Master
Slave
Master
Slave
Master, load = 10 pF
Master, load = 10 pF
Master
Master
Slave
Slave
Slave
Slave, load = 10 pF
Master, TX only
Master, RX and TX
Slave, RX only
Slave, RX and TX
SCK
t2
SSN
MOSI
MISO
X
D0
t6
t7
D0
TEST CONDITIONS
t4
t5
X
t3
D1
X
SCK
SSN
MISO
MOSI
X
Figure 4-2. SPI Master AC Characteristics
t2
D0
t10
t11
D0
t8
t9
X
t3
D1
X
Figure 4-3. SPI Slave AC Characteristics
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MIN
TYP
MAX
UNIT
250
ns
250
50%
63
ns
63
63
ns
63
7
ns
10
ns
90
ns
10
ns
50%
ns
35
ns
10
ns
95
ns
8
4
MHz
8
4
T0478-01
T0479-01
16
Specifications
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