BCM4356XKWBGT Datasheet, PDF (125/195 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1, FM Receiver, and Wireless Charging

BCM4356 Advance Data Sheet
I/O States
Table 28: I/O States (Cont.)
Name
I/O Keeper^a Active Mode
Low Power State/Sleep (All
Power Present)
Power-down^b
(BT_REG_ON and
WL_REG_ON Held
Low)
Out-of-Reset;
Before SW Download
(BT_REG_ON High;
WL_REG_ON High)
(WL_REG_ON High
and BT_REG_ON = 0)
and VDDIOs Are
Present
Power Rail
BT_PCM_CLK
BT_PCM_IN
BT_PCM_OUT
BT_PCM_SYNC
I/O Y
I: NoPull^c
I: NoPull^c
High-Z, NoPull
I: PD
I: PD
BT_VDDIO
I: Floating, but input
disabled
BT_I2S_WS
BT_I2S_CLK
BT_I2S_DI
BT_I2S_DO
GPIO_0
GPIO_1
I/O Y
Y
I: NoPull^d
I: NoPull^d
I/O: PU, PD, NoPull
Programmable [NoPull]
I/O: PU, PD, NoPull
Programmable [NoPull]
High-Z, NoPull
I: NoPull
I: PD
I: NoPull
VDDIO
GPIO_2
Y
GPIO_3
GPIO_4
Y
Y
I/O: PU, PD, NoPull
Programmable [PD]
I/O: PU, PD, NoPull
Programmable [PD]
I: PD
I: PD
GPIO_5
GPIO_6
GPIO_7
Y
I/O: PU, PD, NoPull
Programmable [PD]
I/O: PU, PD, NoPull
Programmable [PD]
Y
I/O: PU, PD, NoPull
I/O: PU, PD, NoPull
Y
Programmable [NoPull]
Programmable [NoPull]
I: NoPull
I: NoPull
GPIO_8
GPIO_9
GPIO_10
Y
I/O: PU, PD, NoPull^e
Y
Y
I/O: PU, PD, NoPull
Programmable [PD]
I/O: PU, PD, NoPull^e
I/O: PU, PD, NoPull
Programmable [PD]
I^e
I: PD
I^e
I: PD
GPIO_11
Y
I/O: PU, PD, NoPull
I/O: PU, PD, NoPull
Programmable [NoPull]
Programmable [NoPull]
GPIO_12
Y
I/O: PU, PD, NoPull
Programmable [PU]
I/O: PU, PD, NoPull
Programmable [PU]
GPIO_13
GPIO_14
Y
I/O: PU, PD, NoPull
I/O: PU, PD, NoPull
Y
Programmable [NoPull]
Programmable [NoPull]
GPIO_15
Y
RF_SW_CTRL_X
Y
O: NoPull
O: NoPull
I: NoPull
I: PU
I: NoPull
O: NoPull
I: NoPull
I: PU
I: NoPull
: NoPull
VDDIO_RF
a. Keeper column: N = pad has no keeper. Y = pad has a keeper. Keeper is always active except in Power-down state. If there is no keeper, and it is an input
and there is Nopull, then the pad should be driven to prevent leakage due to floating pad (for example, SDIO_CLK).
Broadcom^®
May 8, 2015 • 4356-DS103-R
BROADCOM CONFIDENTIAL
Page 124