LISA-U2 series - System integration manual
UBX-13001118 - R27
Appendix
Page 171 of 183
C1-Public
LISA-U1 series
LISA-U2 series
10
RI
UART ring indicator
output
RI
UART ring indicator
output
Circuit 125 (RI) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Output driver strength = 4 mA
LISA-U2 series:
Output driver strength = 2 mA
11
DCD
UART data carrier
detect output
DCD
UART data carrier
detect output
Circuit 109 (DCD) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Output driver strength = 4 mA
LISA-U2 series:
Output driver strength = 2 mA
12
DTR
UART data terminal
ready input
DTR
UART data terminal
ready input
Circuit 108/2 (DTR) in ITU-T V. 24, 1.8 V typ.
LISA-U1 series:
Internal active pull-up = -110 µA
LISA-U2 series:
Internal active pull-up = -125 µA
13
RTS
UART ready to send
input
RTS
UART ready to send
input
Circuit 105 (RTS) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Internal active pull-up = -60 µA
LISA-U2 series:
Internal active pull-up = -240 µA
14
CTS
UART clear to send
output
CTS
UART clear to send
output
Circuit 106 (CTS) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Output driver strength = 4 mA
LISA-U2 series:
Output driver strength = 6 mA
15
TXD
UART transmitted
data input
TXD
UART transmitted
data input
Circuit 103 (TxD) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Internal active pull-up = -60 µA
LISA-U2 series:
Internal active pull-up = -240 µA
16
RXD
UART received data
output
RXD
UART received data
output
Circuit 104 (RxD) in ITU-T V.24, 1.8 V typ.
LISA-U1 series:
Output driver strength = 4 mA
LISA-U2 series:
Output driver strength = 6 mA
17
GND
Ground
GND
Ground
18
VUSB_DET USB detect input
VUSB_DET USB detect input
No difference