P0048-19

CC2544

RHB Package

(Top View)

32

9

31

10

30

11

29

12

28

13

27

14

26

15

25

16

24

1

23

2

22

3

21

4

20

5

19

6

18

7

17

8

VSS

Thermal Pad

VDD

USB_P

VDD

VDD

RF_N

RF_P

VDD

XOSC2

XOSC1

USB_N

VDD

DCPL2

VBUS

P1_0

P1_1

VDD

CC2544

www.ti.com

SWRS103D – JUNE 2011 – REVISED MAY 2012

DEVICE INFORMATION

PIN DESCRIPTIONS

NOTE: The exposed ground pad must be connected to a solid ground plane; this is the main ground connection for the chip.

Table 1. Pin Description Table

NAME

PIN

DESCRIPTION

DCPL1

31

1.8-V reg. decouple

DCPL2

4

3.3-V reg. decouple

P0_0

9

GPIO

P0_1

10

GPIO

P0_2

13

GPIO

P0_3

14

GPIO

P1_0

6

GPIO/20 mA

P1_1

7

GPIO/20 mA

P1_2

28

GPIO/debug clock

P1_3

29

GPIO/debug data

RBIAS

25

External precision bias resistor for reference current

RESET_N

15

Reset, active-low

Negative RF input signal to LNA during RX

RF_N

21

Negative RF output signal from PA during TX

Positive RF input signal to LNA during RX

RF_P

20

Positive RF output signal from PA during TX

USB_P

1

USB module

USB_N

2

USB module

VBUS

5

5-V power

VDD

3

AVDD

VDD

8, 12

IOVDD

VDD

16, 19, 22, 23, 24 AVDD

Copyright © 2011–2012, Texas Instruments Incorporated

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