Automotive Module Series
AG525R-GL QuecOpen
Hardware Design
AG525R-GL_QuecOpen_Hardware_Design 28 / 104
send V
OH
min = 1.35 V
Can be configured
to GPIOs.
If unused, keep
them open.
UART1_RTS 74 DI
UART1 request to
send
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
UART1_TXD 70 DO
UART1
transmit
V
OL
max = 0.45 V
V
OH
min = 1.35 V
UART1_RXD 72 DI
UART1
receive
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
BT UART Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
BT_UART_TXD 59
DO
BT
UART
transmit
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
Can be configured
to GPIO.
If unused, keep
them open.
BT_UART_RXD
63
DI
BT UART receive
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
BT_UART_RTS 61
DI
BT UART request to
send
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
BT_UART_CTS 62
DO
BT UART clear to
send
V
OL
max = 0.45 V
V
OH
min = 1.35 V
Debug UART Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
DBG_RXD 110
DI
Debug UART
receive
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
1.8 V power domain.
DBG_TXD 107
DO
Debug UART
transmit
V
OL
max = 0.45 V
V
OH
min = 1.35 V
I2C1 Interface (for Codec Configuration by Default)
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
I2C1_SCL 79
OD
I2C1
serial clock
External pull-up
