CC3220 Datasheet, PDF (45/84 Pages) Texas Instruments – SimpleLink Wi-Fi Wireless and Internet-of-Things Solution, a Single-Chip Wireless MCU

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CC3220
SWAS035A – SEPTEMBER 2016 – REVISED FEBRUARY 2017
4.14.5.3.2 GPIO Output Transition Time Parameters (V_supply = 1.85 V)
Table 4-14 lists the GPIO output transition times for V_supply = 1.8 V.
Table 4-14. 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 29, 30, 45, 50, 52, and 53.
MAX
16.7
UNIT
ns
13.6
ns
5.8
ns
4.14.5.3.3 GPIO Input Transition Time Parameters
Table 4-15 lists the input transition time parameters.
Table 4-15. GPIO Input Transition Time Parameters
t_r
t_f
Input transition time (t_r, t_f), 10% to 90%
MIN
MAX
UNIT
1
3
ns
1
3
ns
4.14.5.4 I²C
The CC3220x microcontroller includes one I2C module operating with standard (100 kbps) or fast
(400 kbps) transmission speeds.
Figure 4-18 shows the I²C timing diagram.
I2CSCL
I1
I2CSDA
I2
I4
I6
I7
I5
I8
I3
Figure 4-18. I²C Timing Diagram
I9
SWAS031-068
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