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UART (Modem DCE)
18
UART1_RXD
19
UART1_TXD
22
UART1_RING
16
UART1_DSR
20
UART1_RTS
15
UART1_DTR
21
UART1_CTS
17
UART1_DCD
40
UART2_TXD
39
UART2_RXD
Trace
12
HST_TXD
11
HST_RXD
SIM Interface
26
VSIM
24
SIM_CLK
23
SIM_DATA
25
SIM_RST
27
SIM_CD
Audio
31
AU_MIC_P
30
AU_MIC_N
G510 Hardware User Manual
Received Data
Transmitted Data
Ring indicator
Data Set Ready
Request To Send
Data Terminal Ready
Clear To Send
Data Carrier Detect
Transmitted Data
Received Data
Transmitted Data
Received Data
SIM power
SIM clock
SIM data
SIM reset
SIM card hot-plug
1st Audio channel
(default)
Balanced input
I
L
O
H
O
H
O
L
O
L
I
L
I
L
O
L
O
H
I
L
O
H
I
H
O
0.3V
1.8V or
2.85V
O
T
3.25MHz
I/O
O
T
L
I
I
I
VIH
=0.7*VDD
MIN
VOL
=0.3V
MAX
VOH
=VDD-0.35V
MIN
VIL
=0.2*VDD
MAX
VIH
=0.7*VDD
MIN
VOL
=0.3V
MAX
VOH
=VSIM-0.35V
MIN
VIL
=0.2*VSIM
MAX
VIH
=0.7*VSIM
MIN
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