CC3220MOD_17 Datasheet, PDF (41/88 Pages) Texas Instruments – SimpleLink Wi-Fi CERTIFIED Wireless Module Solutions (S and SF)

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CC3220MOD
SWRS206A – MARCH 2017 – REVISED JUNE 2017
5.13.5.1 SPI
5.13.5.1.1 SPI Master
The CC3220MODx microcontroller includes one SPI module, which can be configured as a master or
slave device. The SPI includes a serial clock with programmable frequency, polarity, and phase; a
programmable timing control between chip select and external clock generation; and a programmable
delay before the first SPI word is transmitted. Slave mode does not include a dead cycle between two
successive words.
Figure 5-8 shows the timing diagram for the SPI master.
T2
CLK
T6
T7
MISO
T8
MOSI
Figure 5-8. SPI Master Timing Diagram
Table 5-4 lists the timing parameters for the SPI master.
Table 5-4. SPI Master Timing Parameters
PARAMETER
NUMBER
F ⁽¹⁾
Clock frequency
T2
T_clk ⁽¹⁾
D ⁽¹⁾
Clock period
Duty cycle
T6
t_IS ⁽¹⁾
T7
t_IH ⁽¹⁾
T8
t_OD ⁽¹⁾
T9
t_OH ⁽¹⁾
RX data setup time
RX data hold time
TX data output delay
TX data hold time
(1) Timing parameter assumes a maximum load of 20 pF.
MIN
50
45%
1
2
T9
MAX
20
55%
8.5
8
UNIT
MHz
ns
ns
ns
ns
ns
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