Texas Instruments CC3120MOD, Руководство пользователя

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Table 8-9 lists the GPIO output transition times for V
BAT
= 3.3 V.
Table 8-9. GPIO Output Transition Times (V
BAT
= 3.3 V)
(1) (2)
DRIVE
STRENGTH (mA)
DRIVE STRENGTH
CONTROL BITS
T
r
T
f
UNIT
MIN NOM MAX MIN NOM MAX
2
2MA_EN=1
8.0 9.3 10.7 8.2 9.5 11.0 ns
4MA_EN=0
4
2MA_EN=0
6.6 7.1 7.6 4.7 5.2 5.8 ns
4MA_EN=1
6
2MA_EN=1
3.2 3.5 3.7 2.3 2.6 2.9 ns
4MA_EN=1
(1) V
BAT
= 3.3 V, T = 25°C, total pin load = 30 pF
(2) The transition data applies to the pins except the multiplexed analog-digital pins 29, 30, 45, 50, 52 and 53.
8.14.5.3.1 GPIO Input Transition Time Parameters
Table 8-10 lists the input transition time parameters.
Table 8-10. GPIO Input Transition Time Parameters
MIN MAX UNIT
t
r
Input transition time (t
r
, t
f
), 10% to 90%
1 3 ns
t
f
1 3 ns
8.14.5.4 I
2
C
The CC3220MODx and CC3220MODAx MCUs include one I2C module operating with standard (100 kbps) or
fast (400 kbps) transmission speeds.
Figure 8-13 shows the I
2
C timing diagram.
T2 T6
T5
T9
T3 T8
T7
T4
T1
I2CSCL
I2CSDA
Figure 8-13. I
2
C Timing Diagram
CC3220MOD, CC3220MODA
SWRS206E – MARCH 2017 – REVISED MAY 2021
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