BCM43143KMLGT Datasheet, PDF (30/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
Package Signal Descriptions
Table 4: BCM43143 Signal Descriptions (Cont.)
Pin
Signal
Type Description
Test Pins
20
JTAG_SEL
I (PD) JTAG select
Strap Pins
2
UART_RX
3
UART_TX
34
SFLASH_SI
I/O (PD) Strap RemapToROM[1]
I/O (PU) Strap RemapToROM[0]
I/O (PD) Strap SDIOHighDrive
54
GPIO17
I/O (PD) Strap SDIOEnabled
55
GPIO18
I/O (PD) Strap SDIOIso
Integrated Voltage Regulators
11, 12, LNLDO_VDD1P5
13, 14
PWR LNLDO 1.5V input
15
LNLDO_VOUT1P2
PWR LNLDO 1.2V output
30
SR_VDDBAT5V
PWR VBAT power input
29
SR_VLX
PWR CBUCK switching regulator output
31
VOUT_CLDO
PWR Output of core LDO
32
LDO_VDD1P5
PWR Input of core LDO
WLAN Power Supplies
40
USB_AVDD3P3
PWR USB 3.3V input
16
WRF_SYN_VDD1P2 PWR RF synthesizer VDD 1.2V input
6
WRF_PA_VDD3P3
PWR WLAN PA 3.3V supply
4
WRF_PAD_VDD3P3 PWR WLAN PA driver 3.3V supply
17
XTAL_VDD1P2
PWR XTAL oscillator 1.2V supply
Miscellaneous Power Supplies and Ground
21, 33, VDDC
43, 56
PWR Core supply for WLAN
1, 25, 37, VDDIO
53
PWR I/O supply for pads (3.3V)
46
VDDIO
H
GND_SLUG
5, 8
GND
PWR
GND
GND
I/O supply for SDIO pads (1.8V to 3.3V). Can only be 3.3V when
USB is used.
Ground
Ground
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 29