I/O States
BCM88335 Data Sheet
Table 22: I/O States (Cont.)
Out-of-Reset;
b
Power-down
Before SW Download
(BT_REG_ON High;
WL_REG_ON High)
(WL_REG_ON High and
BT_REG_ON = 0) and
VDDIOs Are Present
Low Power State/Sleep (BT_REG_ON and
a
Name
I/O Keeper Active Mode
(All Power Present)
Input; NoPullc
Input; NoPullc
Input; NoPullc
Input; NoPullc
PDd
WL_REG_ON Held Low)
Power Rail
Input; NoPullc
Input; NoPullc
Input; NoPullc
Input; NoPull c
PDd
BT_PCM_CLK
I/O
I/O
I/O
Y
Y
Y
Y
Y
Y
Y
Y
Y
High-Z, NoPull
Output
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input; PD
BT_VDDIO
BT_PCM_IN
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
Input; NoPull, Hi-Z
Output
BT_VDDIO
BT_VDDIO
BT_VDDIO
BT_VDDIO
BT_VDDIO
BT_VDDIO
BT_VDDIO
VDDIO
BT_PCM_OUT
BT_PCM_SYNC I/O
Output
BT_I2S_WS
BT_I2S_CLK
BT_I2S_DI
I/O
I/O
I/O
I/O
I/O
Input, PD
Input, PD
Input, PD
Input, PD
Input; PD
PDd
PDd
PDd
Input; PDd
Outputd
Outputd
BT_I2S_DO
WL GPIO_0
Input/Output; PU, PD,
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: PD])
[Default: PD])
WL GPIO_1
WL GPIO_2
WL GPIO_3
WL GPIO_4
WL GPIO_5
WL GPIO_6
WL GPIO_7
WL GPIO_8
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Y
Y
Y
Y
Y
Y
Y
Y
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: NoPull])
Input/Output; PU, PD,
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
Input; NoPull
Input; NoPull
Input; PD
Input; NoPull
Input; NoPull
Input; PD
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
[Default: NoPull])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: NoPull])
Input/Output; PU, PD,
[Default: NoPull])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: PD])
Input/Output; PU, PD,
[Default: PD])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: NoPull])
Input/Output; PU, PD,
Input; NoPull
Input; PD
Input; NoPull
Input; PD
[Default: NoPull])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: PD])
Input/Output; PU, PD,
[Default: PD])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: NoPull])
Input/Output; PU, PD,
Input; NoPull
Input; NoPull
Input; NoPull
Input; NoPull
[Default: NoPull])
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: NoPull])
Input/Output; PU, PD,
[Default: NoPull])
Input; PDe
Input; PDe
Input/Output; PU, PD,
NoPull (programmable NoPull (programmable
[Default: PD])e [Default: PD])e
Input/Output; PU, PD,
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 87
BROADCOM CONFIDENTIAL
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