BCM89359 Advance Data Sheet
Signal Descriptions
Table 18: BCM89359 WLBGA Signal Descriptions (Cont.)
Signal Name Type Description
Ball
JTAG Interface
E9
JTAG_SEL
I/O
JTAG select: pull high to select the JTAG interface.
If the JTAG interface is not used this pin may be
left floating or connected to ground.
Note: See Table 22: “GPIO Alternative Signal
Functions,” on page 85 for the JTAG signal pins.
Clocks
V6
V7
N6
N5
WRF_XTAL_XON_CORE0
WRF_XTAL_XOP_CORE0
LPO_IN
O
I
XTAL oscillator output.
XTAL oscillator input.
I
External sleep clock input (32.768 kHz).
CLK_REQ
I/O
Reference clock request (shared by BT and
WLAN). If not used, this can be no-connect.
Bluetooth Transceiver
P1 BT_RFOP
Bluetooth PCM
O
Bluetooth PA output.
G6
J2
BT_PCM_CLK
I/O
I
PCM clock; can be master (output) or slave (input).
PCM data input.
BT_PCM_IN
L3
H6
BT_PCM_OUT
BT_PCM_SYNC
O
PCM data output.
I/O
PCM sync; can be master (output) or slave (input).
Bluetooth USB Interface
F7
HUSB_DN
I/O
I/O
USB (Host) data negative. Negative terminal of the
USB transceiver.
G7
HUSB_DP
USB (Host) data positive. Positive terminal of the
USB transceiver.
Bluetooth UART
L8
BT_UART_CTS_N
I
UART clear-to-send. Active-low clear-to-send
signal for the HCI UART interface.
M8
BT_UART_RTS_N
O
UART request-to-send. Active-low request-to-
send signal for the HCI UART interface. BT LED
control pin.
K5
J6
BT_UART_RXD
BT_UART_TXD
I
UART serial input. Serial data input for the HCI
UART interface.
O
UART serial output. Serial data output for the HCI
UART interface.
Bluetooth I2S
2
K7
M6
M5
L7
BT_I2S_CLK
I/O
I/O
I/O
I/O
I S clock, can be master (output) or slave (input).
2
BT_I2S_DO
BT_I2S_DI
BT_I2S_WS
I S data output.
2
I S data input.
2
I S WS; can be master (output) or slave (input).
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 79
BROADCOM CONFIDENTIAL
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