BCM20730 Data Sheet
Table of Contents
Digital Modulator............................................................................................................................23
Power Amplifier..............................................................................................................................23
Receiver Path.........................................................................................................................................23
Digital Demodulator and Bit Synchronizer .....................................................................................23
Receiver Signal Strength Indicator..................................................................................................23
Local Oscillator.......................................................................................................................................24
Calibration..............................................................................................................................................24
Internal LDO Regulator ..........................................................................................................................24
Peripheral Transport Unit ............................................................................................................................24
Broadcom Serial Communications Interface .........................................................................................24
UART Interface.......................................................................................................................................25
Clock Frequencies.........................................................................................................................................25
Crystal Oscillator....................................................................................................................................25
HID Peripheral Block.......................................................................................................................26
32 kHz Crystal Oscillator .................................................................................................................26
GPIO Port ......................................................................................................................................................27
Port 0–Port 1, Port 8–Port 23, and Port 28–Port 38..............................................................................27
Port 26–Port 29......................................................................................................................................27
PWM .............................................................................................................................................................27
Power Management Unit.............................................................................................................................28
RF Power Management .........................................................................................................................28
Host Controller Power Management.....................................................................................................29
BBC Power Management.......................................................................................................................29
Section 2: Pin Assignments.............................................................................................. 30
Pin Descriptions............................................................................................................................................30
Ball Maps ......................................................................................................................................................39
Section 3: Specifications.................................................................................................. 42
Electrical Characteristics ..............................................................................................................................42
RF Specifications...........................................................................................................................................46
Timing and AC Characteristics......................................................................................................................48
UART Timing ..........................................................................................................................................48
SPI Timing...............................................................................................................................................49
BSC Interface Timing..............................................................................................................................51
Section 4: Mechanical Information.................................................................................. 53
Tape Reel and Packaging Specifications ................................................................................................56
BROADCOM
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September 9, 2013 • 20730-DS108-R
Page 7
BROADCOM CONFIDENTIAL
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