BCM20730 Data Sheet
Pin Assignments
Section 2: Pin Assignments
Pin Descriptions
Table 7: Pin Descriptions
Power
Pin Number
32-Pin QFN 40-pin QFN 64-pin BGA Pin Name
I/O Domain
Description
Radio I/O
6
8
F1
RF
I/O VDD_RF
RF antenna port
RF Power Supplies
4
5
7
8
6
D1
E1
H1
H2
VDDIF
I
I
I
I
VDD_RF
VDD_RF
VDD_RF
VDD_RF
IFPLL power supply
RF front-end supply
VCO, LOGEN supply
7
9
10
VDDFE
VDDVCO
VDDPLL
RFPLL and crystal oscillator supply
Power Supplies
11
–
13
–
H6
VDDC
I
I
N/A
N/A
Baseband core supply
Ground
D4, E2, E5, VSS
F2, G1, G2
28
14
34
16
A6, D7
–
VDDO
VDDM
I
I
VDDO
VDDM
I/O pad and core supply
I/O pad supply
Clock Generator and Crystal Interface
9
11
H3
XTALI
I
VDD_RF
Crystal oscillator input. See “Crystal
Oscillator” on page 25 for options.
10
1
12
40
G3
A3
XTALO
O
I
VDD_RF
VDDO
Crystal oscillator output.
XTALI32K
Low-power oscillator (LPO) input is
used.
Alternative Function:
• P11 and P27 in 32-QFN only
• P11 in 40-QFN only
• P39 in 64-BGA only
32
39
B3
XTALO32K
O
VDDO
Low-power oscillator (LPO) output.
Alternative Function:
• P12 and P26 in 32-QFN only
• P12 in 40-QFN only
• P38 in 64-BGA only
BROADCOM
®
September 9, 2013 • 20730-DS108-R
Page 30
BROADCOM CONFIDENTIAL
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