RF2968 datasheet(9/20 Pages) RFMD

Part #	RF2968

Description	BLUETOOTHTM TRANSCEIVER

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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Preliminary

11-125

RF2968

Rev A13 010912

11

Detailed Functional Block Diagram

Pin Out

31

29

28

27

26

25

32

30

LO

VCO

Phase Detector/

Charge Pump

Prescaler

16/17

Synthesizer

Address 7

x2

TX

DATA

SYNC

BT = 0.5

4MHz

ICO

LOOP

FILTER

/4

1MHz

Phase

Detector /

Charge

Pump

/4

Filter

APPF

LO

Σ

Chip

Control

BDATA1

10 MHz

BPKTCTL

BXTLEN

500 kHz

23 BnPWR

24 PLLGND

22 BDCLK

Address 30

Address 31

Address 3

25-Bit Latch

16-Bit Shift

Register

(Read Only)

25-Bit Shift

Register

(Write Only)

21 BDDATA

DBus

25

5

25

20 BnDEN

7

LPO

6

VCC4

5

VCC3

8

DVDDH

4

RXIN

3

TXOUT

2

VCC2

1

VCC1

Σ

APPF

LO

1MHz IF

Transmitter

Clock / Data

Recovery

Receiver

Address 4

Address 5

Address 6

16

/2

500 kHz

1MHz

/6

/5

10 MHz

60 MHz

/60

Div R

Phase Detector/

Charge Pump

Div R

Ref. Osc.

19 OSC I

18 OSC O

17 BRCLK

LPF/

Equalizer

9

10

11

12

13

14

15

16

12 MHz

FSK Demodulator

TX DATA

9

10

11

12

13

14

15

16

24

23

22

21

20

19

18

17

32

31

30

29

28

27

26

25

8

7

6

5

4

3

2

1

PLL GND

BnPWR

BDCLK

BDDATA

BnDEN

OSC I

OSC O

BRCLK

DVDDH

LPO

VCC4

VCC3

RX IN

TX OUT

VCC2

VCC1

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