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BCM43903 Datasheet, PDF (47/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor
BCM43903 Preliminary Data Sheet
Signal Descriptions
Table 7: Signal Descriptions (Cont.)
Ball Number Signal Name
Type Description
Power Supplies (Miscellaneous)
P8
OTP_VDD3P3
PWR OTP 3.3V supply
H11, L10, A9, VDDC
L7, H7, K6, G6,
K5, H5, F5, D4,
D3, F2, J1, F1
N12, E11, E10, VDDIO
E9, J8, A8, K7
PWR 1.2V core supply for WLAN
PWR I/O supply
K8, K9
VDDIO_RF
PWR I/O supply for RF switch control pads (3.3V).
K12
PWR_GND
GND Power supply ground
G1
HIB_VDDO
PWR I/O supply for hibernation block
N8
AVDD1P2
PWR 1.2V supply for baseband PLL
Power Supplies (WLAN)
L6
WRF_SYNTH_VDD3P3 PWR Synthesizer VDD 3.3V supply
P1
WRF_PA_VDD3P3
PWR 2.4 GHz PA 3.3V VBAT supply
P5
WRF_PMU_VDD1P35 PWR PMU 1.35V supply
M2
WRF_TXMIX_VDD
PWR 3.3V supply for TX mixer
N5
WRF_SYNTH_VDD1P2 PWR 1.2V supply for synthesizer
N4
WRF_AFE_VDD1P35 PWR 1.35V supply for the analog front end (AFE)
PWM Interface (Alternate Function for GPIOs)
–
PWM0
–
PWM1
–
PWM2
–
PWM3
O Pulse width modulation bit 0.
O Pulse width modulation bit 1
O Pulse width modulation bit 2
O Pulse width modulation bit 3
–
PWM4
O Pulse width modulation bit 4
–
PWM5
O Pulse width modulation bit 5
Broadcom®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 46