BCM43903KUBGT Datasheet, PDF (3/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor

BCM43903 Preliminary Data Sheet
SPI
PWM (6)
BSC
SPI or BSC
GPIO (17)
Figure 1: Functional Block Diagram
UART
BSC
PWM
SPI
GPIO
JTAG
BCM43903
1 MB RAM,
640 KB ROM
APPS ARM
Cortex-R4
32 KB (I),
32 KB (D)
ICACHE
AXI to AXI
Bridge
Crytography
Engine
TCM
512 KB RAM
320 KB ROM
AXI-to-AXI
Bridge
WLAN
ARM
Cortex-R4
AXI
DMA
Revision History
32 kHz
External LPO
APPS Domain
REG_ON
HIB_REG_ON_IN
VBAT
VIO
Always-On Domain
AXI-to-AXI
Bridge
AXI
RTC
PS RAM
PS
SR_Eng
PMU
BSC = Broadcom Serial Control. An I²C-compatible interface.
WLAN
IEEE 802.11 MAC
1 x 1, IEEE 802.11n PHY
2.4 GHz Radio
2.4 GHz
LNA
PA
TX
Switch
RF Switch Controls
37.4 MHz Crystal
WRF_PAOUT_2G
WRF_RFIN_2G
Broadcom^®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
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