CC2543 Datasheet, PDF (10/29 Pages) Texas Instruments – System-on-Chip for 2.4-GHz RF Applications

CC2543
SWRS107B – APRIL 2012 – REVISED MAY 2012
SPI AC CHARACTERISTICS
T_A = –40°C to 85°C, VDD = 2 V to 3.6 V
PARAMETER
t₁
SCK period
SCK duty cycle
t₂ SSN low to SCK, Figure 2 and Figure 3
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
t₈ MISO early out
t₉ MISO late out
Operating frequency
TEST CONDITIONS
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
Slave, load = 10 pF
Master, TX only
Master, RX and TX
Slave, RX only
Slave, RX and TX
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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
0 ns
95 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
10
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