CC3235MODASF datasheet(56/100 Pages) TI1

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SWAS031-067

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GPIOF

GPIOR

CC3235MODAS, CC3235MODASF

SWRS233 – OCTOBER 2019

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Product Folder Links: CC3235MODAS CC3235MODASF

Specifications

(1)

VBAT = 2.3 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.

5.19.5.3 GPIOs

All digital pins of the module 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.

Figure 5-12. GPIO Timing Diagram

Table 5-17 lists the GPIO output transition times for VBAT = 2.3 V.

Table 5-17. GPIO Output Transition Times (VBAT = 2.3 V)

(1) (2)

DRIVE

STRENGTH

(mA)

DRIVE STRENGTH

CONTROL BITS

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

2MA_EN=1

11.7

13.9

16.3

11.5

13.9

16.7

4MA_EN=0

2MA_EN=0

13.7

15.6

18.0

9.9

11.6

13.6

4MA_EN=1

2MA_EN=1

5.5

6.4

7.4

3.8

4.7

5.8

4MA_EN=1

(1)

VBAT = 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.

Table 5-18 lists the GPIO output transition times for VBAT = 3.3 V.

Table 5-18. GPIO Output Transition Times (VBAT = 3.3 V)

(1) (2)

DRIVE

STRENGTH

(mA)

DRIVE STRENGTH

CONTROL BITS

UNIT

MIN

NOM

MAX

MIN

NOM

MAX

2MA_EN=1

8.0

9.3

10.7

8.2

9.5

11.0

4MA_EN=0

2MA_EN=0

6.6

7.1

7.6

4.7

5.2

5.8

4MA_EN=1

2MA_EN=1

3.2

3.5

3.7

2.3

2.6

2.9

4MA_EN=1

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