BCM43455 Datasheet, PDF (96/159 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM43455 Preliminary Data Sheet
I/O States
Table 23: I/O States (Cont.)
Name
I/O Keeper^a Active Mode
Power-down^b
Low Power State/Sleep (BT_REG_ON and
(All Power Present) WL_REG_ON Held Low)
Out-of-Reset;
Before SW Download
(BT_REG_ON High;
WL_REG_ON High)
SDIO_CMD
I/O N
Input/Output; PU (SDIO Input; PU (SDIO Mode) High-Z, NoPull
Mode)
Input; PU (SDIO Mode)
SDIO_CLK
IN
Input; NoPull
Input; noPull
High-Z, NoPull
Input; noPull
BT_PCM_CLK I/O Y
Input; NoPull^c
Input; NoPull^c
High-Z, NoPull
Input, PD
BT_PCM_IN
I/O Y
Input; NoPull^c
Input; NoPull^c
High-Z, NoPull
Input, PD
BT_PCM_OUT I/O Y
Input; NoPull^c
Input; NoPull^c
High-Z, NoPull
Input, PD
BT_PCM_SYNC I/O Y
Input; NoPull ^c
Input; NoPull^c
High-Z, NoPull
Input, PD
BT_I2S_WS
I/O Y
Input; NoPull^d
Input; NoPull^d
High-Z, NoPull
Input, PD
BT_I2S_CLK
I/O Y
Input; NoPull^d
Input; NoPull^d
High-Z, NoPull
Input, PD
BT_I2S_DI
I/O Y
Input; NoPull^d
Input; NoPull^d
High-Z, NoPull
Input, PD
BT_I2S_DO
I/O Y
Input; NoPull^d
Input; NoPull^d
High-Z, NoPull
Input, PD
GPIO_0
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: PD])
[Default: PD])
Input; PD
GPIO_1
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: NoPull])
[Default: NoPull])
Input; NoPull
GPIO_2
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: NoPull])
[Default: NoPull])
Input; NoPull
GPIO_3
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: PD])
[Default: PD])
Input; PD
GPIO_4
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: NoPull])
[Default: NoPull])
Input; NoPull
GPIO_5
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: PD])
[Default: PD])
Input; PD
GPIO_6
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: NoPull])
[Default: NoPull])
Input; NoPull
GPIO_7
I/O Y
Input/Output; PU, PD, Input/Output; PU, PD, High-Z, NoPull
NoPull (programmable NoPull (programmable
[Default: NoPull])
[Default: NoPull])
Input; NoPull
(WL_REG_ON High and
BT_REG_ON = 0) and
VDDIOs Are Present
Input; PU (SDIO Mode)
Input; noPull
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input; PD
Power Rail
WL_VDDIO
WL_VDDIO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
WL_VDDIO
Input; NoPull
WL_VDDIO
Input; NoPull
WL_VDDIO
Input; PD
WL_VDDIO
Input; NoPull
WL_VDDIO
Input; PD
WL_VDDIO
Input; NoPull
WL_VDDIO
Input; NoPull
WL_VDDIO
Broadcom^®
November 5, 2015 • 43455-DS109-R
BROADCOM CONFIDENTIAL
Page 95