User's Manual

FC20-N Series Hardware Design
FC20-N_Series_Hardware_Design Confidential / Released 17 /
47
PCM_IN
13
DI
Bluetooth PCM data
input
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
PCM_SYNC
14
DI
Bluetooth PCM data
frame sync signal
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
PCM_CLK
15
DI
Bluetooth PCM clock
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
PCM_OUT
16
DO
Bluetooth PCM data
output
V
OL
max=0.18V
V
OH
min=1.62V
1.8V power domain.
If unused, keep this
pin open.
BT_UART_
RTS
7
DO
Request to send
V
OL
max=0.18V
V
OH
min=1.62V
1.8V power domain.
If unused, keep this
pin open.
BT_UART_
CTS
8
DI
Clear to send
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
BT_UART_
TXD
17
DO
Bluetooth transmits
data
V
OL
max=0.18V
V
OH
min=1.62V
1.8V power domain.
If unused, keep this
pin open.
BT_UART_
RXD
18
DI
Bluetooth receives
data
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
Coexistence Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
LTE_UART_
TXD
5
DO
LTE coexistence
signal
V
OL
max=0.18V
V
OH
min=1.62V
1.8V power domain.
If unused, keep this
pin open.
LTE_UART_
RXD
6
DI
LTE coexistence
signal
V
IL
min=-0.3V
V
IL
max=0.54V
V
IH
min=1.26V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
RF Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment