CYW20704
Table 8. CYW20704 FcBGA Signal Descriptions (Cont.)
FcBGA Pin
Signal
I/O
Power Domain
Description
(49-Ball)
I2S_DI/PCM_IN
C7
A8
B7
C8
I/O
VDDO
VDDO
VDDO
VDDO
USB
PCM/I2S data input
PCM/I2S data output
PCM/I2S clock
I2S_DO/PCM_OUT
I2S_CLK/PCM_CLK
I2S_WS/PCM_SYNC
I/O
I/O
I/O
PCM sync/I2S word select
BT_HUSB_DP
BT_HUSB_DN
G2
G3
I/O
I/O
VDD_USB
VDD_USB
JTAG
USB D+ signal. If not used, connect to GND.
USB D- signal. If not used, connect to GND.
JTAG_SEL
D5
G1
I/O
I
VDDO
Supplies
N/A
Used for debugging
BT_VDD_USB
3.3V USB transceiver supply voltage. If the USB
transport is not needed, connect this pin to GND.
BT_IFVDD1P2
BT_PAVDD2P5
BT_LNAVDD1P2
BT_VCOVDD1P2
BT_PLLVDD1P2
VDDC
B4
A1
B1
C1
A3
I
I
I
I
I
I
I
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Radio IF PLL supply
Radio PA supply
Radio LNA supply
Radio VCO supply
Radio RF PLL supply
Core logic supply
Digital I/O supply voltage
Ground
B8, G6
G5
VDDO
VSS
A7, B2, B3, C2, D2, –
F6
Document Number: 002-14786 Rev. *E
Page 22 of 49
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