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UART1 Interface
Pin Name
Pin No.
UART1_RI
13
UART1_DCD
45
UART1_CTS
11
UART1_RTS
14
UART1_DTR
46
UART1_TXD
10
UART1_RXD
12
UART1_DSR
44
Debug UART Interface
Pin Name
Pin No.
DBG_RXD
30
DBG_TXD
31
DBG_RTS
32
UG89_Hardware_Design
I/O
Description
DO
Ring indicator
Data carrier
DO
detection
Clear to send from
DO
DTE
Request to send
DI
from DTE
Data terminal ready.
DI
Sleep mode control.
DO
Transmit data
DI
Receive data
DO
Data set ready
I/O
Description
DI
Debug receive data
DO
Debug transmit data
Debug request to
DI
send
UMTS/HSPA+ Module Series
UG89 Hardware Design
DC Characteristics
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
max=0.45V
OL
V
min=1.35V
OH
DC Characteristics
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
Comment
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
Comment
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
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