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蓝牙芯片Csr1000应用原理图


1

2

3

4

5

6

7

8

A

C2032 BATTERY HOLDER

2 1 2 1 3 PWR J1
1206

+ BAT1

VDD_BAT

C1 100u

0402

C18 47n

0402

C13 47n

0402

C12 2u2 L1 4u7
0402

GND

GND

GND

GND
0402

R7
0402

C14 33p 32 21 31

C2

C3
0402

C17
0402 0402

0R0 C4 0402 C5 470n 150n 4 GND U2 CSR1000

2u2 470n NF 1 6 30 5

GND

VDD_BAT/VREG_EN

VDD_REG_IN

SMPS_LX

VDD_CORE

VDD_BAT_SMPS

VDD_CORE

VDD_PADS

WAKE

U1 1 A0 2 A1 3 A2 4 GND GND

8 VCC 7 WP 6 SCL 5 SDA

0402

C6 1u0

SO-8 AT24C512BN-SH

GND

29 I2C_SDA 28 I2C_SCL 27 PIO[2] VDD_BAT 26 SPI_PIO#_SEL 18 PIO[5] 19 PIO[6] 20 PIO[7] 22 PIO[8] 14 PIO[0] 15 PIO[1]

VDD_BAT SB1 1 2 3 4 5 6 7 8 9 10 11 12

RF i B

U3 2 OUT IN 4

RF i

7

RF

ANT1

3

GND GND 2.45GHz

1

0402

C16 470n

C

D

R C CS
1 2

onf
3

ide
10 9 2 3 X1 16MHz
X2

32.768kHz

0402

C7 15p

0402

C8 8p2

0402

C9 10p

0402

C10 10p

ial nt
PIO[9] 23 PIO9 16 PIO[3] 17 PIO[4] 24 PIO[10] 25 PIO[11]
0402 0402

SB3 SB2

r E fo
CON1 VCHG SPI_MOSI SPI_CLK SPI_CSB SPI_MISO SERSER+ GND CASE CASE CASE CASE MINI SMT CONNECTOR 8PIN

SPL

A

B

XTAL_16M_OUT

XTAL_32K_OUT

XTAL_16M_IN

XTAL_32K_IN

VDD_AUX

VSS

SW1

8

0

GREEN

GREEN

D1

D2

0402

11 AIO[2] 12 AIO[1] 13 AIO[0]

AIO[2] AIO[1] AIO[0]

R1 820R

R2 820R

R3 0R0

1 2

+ -

SP1

C

D

Release status (DRAFT/EXAMPLE/REFERENCE):

DRAFT
This design is copyright (c) CSR PLC. Unauthorised reproduction is prohibited

LIMITATION OF LIABILITY
The performance of this design has not been verified completely by CSR. It may contain errors or omissions for which CSR shall not be held liable. You should verify operation of the circuit UNDER ALL USAGE CONDITIONS prior to production. Please check with CSR for updates.

Cambridge Silicon Radio PLC
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ. United Kingdom. http://www.csr.com +44 (0) 1223 692000

Title:

CSR1000 Tag
By: Date: File:

S. Hiscott
01/07/2011 15:10:47 CNS10004v4a.SchDoc

Rev:

v4a
1

No:

CNS10004
8

Sheet 1 of 7

4

5

6


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