BCM4354KKWBGT Datasheet, PDF (123/192 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
I/O States
I/O States
The following notations are used in Table 28: “I/O States,” on page 122:
I: Input signal
O: Output signal
I/O: Input/Output signal
PU = Pulled up
PD = Pulled down
NoPull = Neither pulled up nor pulled down
Note: Where applicable, the default value is shown in bold brackets (for example, [default value].
Name
I/O Keeper^a Active Mode
WL_REG_ON
BT_REG_ON
IN
I: PD
Pull-down can be disabled
CLK_REQ
I/O Y
Open drain or push-pull
Programmable
Active high
BT_HOST_WAKE I/O Y
BT_DEV_WAKE
I/O: PU, PD, NoPull
Programmable
BT_GPIO 5
BT_GPIO 4
Table 28: I/O States
Low Power State/Sleep (All
Power Present)
Power-down^b
(BT_REG_ON and
WL_REG_ON Held
Low)
I: PD
Pull-down can be disabled
I: PD (of 200K)
Open drain or push-pull
Programmable
Active high
I/O: PU, PD, NoPull
Programmable
High-Z, NoPull
High-Z, NoPull
BT_GPIO 2, 3
BT_UART_CTS
BT_UART_RTS
BT_UART_RXD
BT_UART_TXD
IY
O
I
O
I: NoPull; PU programmable
O: NoPull
I: PU
O: NoPull
I: NoPull
O: NoPull
I: NoPull
O: NoPull
High-Z, NoPull
Out-of-Reset; Before
SW Download
(BT_REG_ON High;
WL_REG_ON High)
I: PD (of 200K)
(WL_REG_ON High
and BT_REG_ON Low)
and VDDIOs Are
Present
Power Rail
I: PD (of 200K)
–
Open drain
Active high
I: PD
Open drain
Active high
I: PD
BT_VDDIO
I: PU
I: PU
I: Floating, but input
disabled
I: PU
I: PU
Broadcom^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 122