BCM4354KKWBGT Datasheet, PDF (107/192 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4354 Data Sheet
Signal Descriptions
Table 21: WLCSP Signal Descriptions (Cont.)
Bump# Signal Name
Clocks
251
WRF_XTAL_IN
253
WRF_XTAL_OUT
159
LPO_IN
161
CLK_REQ
Bluetooth/FM Transceiver
49
BT_RF
–
BT_SF_CLK
–
BT_SF_CS_L
–
BT_SF_MISO
–
BT_SF_MOSI
61
FM_RFIN
60
FM_RFAUX
54
FM_AOUT1
55
FM_AOUT2
Bluetooth PCM
179
BT_PCM_CLK
173
BT_PCM_IN
177
BT_PCM_OUT
163
BT_PCM_SYNC
Bluetooth USB Interface
164
BT_USB_DN
169
BT_USB_DP
Bluetooth UART
172
BT_UART_CTS_L
178
BT_UART_RTS_L
162
BT_UART_RXD
157
BT_UART_TXD
Type Description
I XTAL oscillator input
O XTAL oscillator output
I External sleep clock input (32.768 kHz)
O Reference clock request (shared by BT and WLAN).
If not used, this can be no-connect.
O Bluetooth PA output
I SFLASH_CLK
I/O SFLASH_CSN
I/O SFLASH master input, slave output
I/O SFLASH master output, slave input
I FM radio antenna port
I FM radio auxiliary antenna port
O FM DAC output 1
O FM DAC output 2
I/O PCM clock; can be master (output) or slave (input)
I PCM data input
O PCM data output
I/O PCM sync; can be master (output) or slave (input).
I/O USB (Host) data negative. Negative terminal of the
USB transceiver.
I/O USB (Host) data positive. Positive terminal of the USB
transceiver.
I UART clear-to-send. Active-low clear-to-send signal
for the HCI UART interface.
O UART request-to-send. Active-low request-to-send
signal for the HCI UART interface. BT LED control pin.
I UART serial input. Serial data input for the HCI UART
interface.
O UART serial output. Serial data output for the HCI
UART interface.
Broadcom^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 106