CC3220MOD Datasheet, PDF (43/82 Pages) Texas Instruments – SimpleLink Wi-Fi CERTIFIED Wireless Module Solution

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CC3220MOD
SWRS206 – MARCH 2017
Table 5-7 lists the timing parameters for the I2S receive mode.
Table 5-7. I2S Receive Mode Timing Parameters
PARAMETER
NUMBER
MIN
I1
f_clk ⁽¹⁾
I2
t^{LP (1)}
Clock frequency
Clock low period
I3
t_HT ⁽¹⁾
I4
t_OH ⁽¹⁾
I5
t_OS ⁽¹⁾
Clock high period
RX data hold time
RX data setup time
(1) Timing parameter assumes a maximum load of 20 pF.
MAX
9.216
1/2 f_clk
1/2 f_clk
0
15
UNIT
MHz
ns
ns
ns
ns
5.14.3.3 GPIOs
All digital pins of the device can be used as general-purpose input/output (GPIO) pins. The GPIO module
consists of four GPIO blocks, each of which provides eight GPIOs. The GPIO module supports 24
programmable GPIO pins, depending on the peripheral used. Each GPIO has configurable pullup and
pulldown strength (weak 10 µA), configurable drive strength (2, 4, and 6 mA), and open-drain enable.
Figure 5-12 shows the GPIO timing diagram.
V_DD
80%
20%
t_GPIOR
t_GPIOF
Figure 5-12. GPIO Timing Diagram
SWAS031-067
5.14.3.3.1 GPIO Output Transition Time Parameters (V_supply = 1.85 V)
Table 5-8. GPIO Output Transition Times (V_supply = 1.85 V)⁽¹⁾⁽²⁾
DRIVE
STRENGTH
(mA)
DRIVE STRENGTH
CONTROL BITS
T_r
MIN
NOM
MAX
T_f
MIN
NOM
2MA_EN=1
2
11.7
13.9
16.3
11.5
13.9
4MA_EN=0
2MA_EN=0
4
13.7
15.6
18.0
9.9
11.6
4MA_EN=1
2MA_EN=1
6
4MA_EN=1
5.5
6.4
7.4
3.8
4.7
(1) V_supply = 1.8 V, T = 25°C, total pin load = 30 pF
(2) The transition data applies to the pins other than the multiplexed analog-digital pins 25, 26, 42, and 44.
MAX
16.7
UNIT
ns
13.6
ns
5.8
ns
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