BCM4354 datasheet(125/192 Pages) CYPRESS

номер детали	BCM4354

подробное описание детали	Single-Chip 5G Wi-Fi IEEE 802.11ac 2횞2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

PDF	192 Pages

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производитель	CYPRESS [Cypress Semiconductor]

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125 / 192 page

Broadcom®

October 15, 2014 • 4354-DS109-R

Page 124

I/O States

BROADCOM CONFIDENTIAL

BCM4354 Data Sheet

RF_SW_CTRL_X

I/O Y

O: NoPull

I: PD

O: 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 (SDIO_CLK, for example).

b. In the Power-down state (xx_REG_ON=0): High-Z; NoPull => the pad is disabled because power is not supplied.

c. Depending on whether the PCM interface is enabled and the configuration of PCM is in master or slave mode, it can be either input or output.

d. Depending on whether the I2S interface is enabled and the configuration of I2S is in master or slave mode, it can be either input or output.

e. For WLBGA this GPIO has NoPull in this state. For WLCSP this GPIO has a PU in this state.

Table 28: I/O States (Cont.)

Name

I/O

Keepera Active Mode

Low Power State/Sleep (All

Power Present)

Power-downb

(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 Low)

and VDDIOs Are

Present

Power Rail

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