PRELIMINARY
CYW43340
Table 20. I/O States (Cont.)
(WL_REG_ON=0
and
Before SW Download (WL_REG_ON=1 and BT_REG_ON=1)
Power-down
(BT_REG_ON and
WL_REG_ON
Held Low)
Out-of-Reset;
Low Power State/
Sleep
(All Power Present)
(BT_REG_ON=1;
WL_REG_ON=1)
BT_REG_ON=0) and and VDDIOs Are
VDDIOs Are Present Present
Power
Rail
Name
I/O Keeper Active Mode
SDIO_DATA_0
I/O
I/O
I/O
I/O
I/O
I
N
N
N
N
N
N
HSIC MODE -> PU;
HSIC MODE -> PU;
HSIC MODE -> NoPull; HSIC MODE -> PU;
HSIC MODE -> PU;
–
–
–
–
–
–
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE ->
NoPull
SDIO_DATA_1
SDIO_DATA_2
SDIO_DATA_3
SDIO_CMD
HSIC MODE -> PD;
HSIC MODE -> PD;
HSIC MODE -> NoPull; HSIC MODE -> PD;
HSIC MODE -> PD;
SDIO MODE ->
NoPull
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> PD
HSIC MODE -> PU;
HSIC MODE -> PU;
HSIC MODE -> NoPull; HSIC MODE -> PU;
HSIC MODE -> PU;
SDIO MODE ->
NoPull
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> PD
HSIC MODE -> PU;
HSIC MODE -> PU;
HSIC MODE -> NoPull; HSIC MODE -> PU;
HSIC MODE -> PU;
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE ->
NoPull
HSIC MODE -> PU;
HSIC MODE -> PU;
HSIC MODE -> NoPull; HSIC MODE -> PU;
HSIC MODE -> PU;
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE ->
NoPull
SDIO_CLK
HSIC MODE -> PD;
HSIC MODE -> PD;
HSIC MODE -> NoPull; HSIC MODE -> PD;
HSIC MODE -> PD;
WL_VDDI
O
SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE -> NoPull SDIO MODE ->
NoPull
BT_PCM_CLK
BT_PCM_IN
I/O
I/O
I/O
Y
Y
Y
Y
Y
Y
Y
Y
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 5)
Input; NoPull (Note 5)
Input; NoPull (Note 5)
PD
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 4)
Input; NoPull (Note 5)
Input; NoPull (Note 5)
Input; NoPull (Note 5)
PD
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
High-Z, NoPull
PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
Input, PD
PD
–
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
BT_VDDO
–
BT_PCM_OUT
–
BT_PCM_SYNC I/O
–
BT_I2S_WS
BT_I2S_CLK
BT_I2S_DO
JTAG_SEL
I/O
I/O
I/O
I
–
–
–
PD
WL_VDDI
O
GPIO_0
GPIO_1
GPIO_2
GPIO_3
I/O
I/O
I/O
I/O
Y
Y
Y
Y
PD
PD
NoPull
NoPull
NoPull
NoPull
PD
PD
PD
WL_VDDI
O
NoPull
PU
NoPull
PU
NoPull
PU
NoPull
PU
NoPull
PU
WL_VDDI
O
WL_VDDI
O
JTAG_SEL = 1 PU;
jtag_sel=0 PD
jtag_sel=1 PU;
jtag_sel=0 PD
jtag_sel=1 PU;
jtag_sel=0 PD
jtag_sel=1 PU;
jtag_sel=0 PD
jtag_sel = 1 PU;
jtag_sel = 0 PD
WL_VDDI
O
Document Number: 002-14943 Rev. *L
Page 55 of 96
CYPRESS [ CYPRESS ]
