BCM20705 Datasheet, PDF (42/67 Pages) Cypress Semiconductor – Single-Chip Bluetooth Transceiver and Baseband Processor

BCM20705 Data Sheet
Pin Descriptions
Signal
GPIO_6
GPIO_7
UART_RXD
UART_TXD
UART_RTS_N
UART_CTS_N
SCL
SDA
SPIM_CLK
SPIM_CS_N
PCM_IN
PCM_OUT
PCM_CLK
PCM_SYNC
COEX_IN
USB
HUSB_DP
HUSB_DN
Supplies
VDDIF
VDDTF
VDDLNA
VDDRF
VDDPX
VDDC
VDDC
VDDC
VDDO
VDDO
VDDO
VDD_USB
VSS
VSS
VSS
VSS
Table 6: BCM20705 Signal Descriptions (Cont.)
WFBGA Pin
(50-Ball)
E4
Power
I/O Domain
I/O VDDO
C7
I/O VDDO
D7
I/O VDDO
F6
I/O VDDO
E5
I/O VDDO
G7
I/O VDDO
F7
I/O VDDO
E7
I/O VDDO
E8
I/O VDDO
G8
I/O VDDO
G6
I/O VDDO
F5
I/O VDDO
G5
I/O VDDO
C4
I/O VDDO
B6
I/O VDDO
Description
GPIO
TCXO-OR Function In available on some
packages. See Section 11: “Ordering Information,”
on page 65.
DETATCH/CARD_DETECT
UART receive data
UART transmit data
UART request to send output
UART clear to send input
BSC clock
BSC data
Serial flash SPI clock
Serial flash active-low chip select
PCM/I2S data input
PCM/I2S data output
PCM/I2S clock
PCM sync/I2S word select
Coexistence input
A8
I/O VDD_USB USB hub. If not used, connect to GND.
A7
I/O VDD_USB If not used, connect to GND.
B1
I
N/A
Radio IF PLL supply
C1
I
N/A
Radio PA supply
E1
I
N/A
Radio LNA supply
F1
I
N/A
Radio supply
G1
I
N/A
Radio RF PLL supply
A6
I
N/A
Core logic supply
F8
I
N/A
Core logic supply
–
I
N/A
Core logic supply
G4
I
N/A
Digital I/O supply voltage
A5
I
N/A
Digital I/O supply voltage
E6
I
N/A
Digital I/O supply voltage
C8
I
N/A
USB transceiver supply voltage. If not used,
connect to GND.
C2
–
N/A
Ground
D2
–
N/A
Ground
F2
–
N/A
Ground
D3
–
N/A
Ground
Broadcom®
Bluetooth Transceiver and Baseband Processor
November 13, 2014 • MCS20705-DS104-R
Page 41
BROADCOM CONFIDENTIAL