![Telit Wireless Solutions ME910X1 Hw Design Manual Download Page 13](http://html1.mh-extra.com/html/telit-wireless-solutions/me910x1/me910x1_hw-design-manual_1083808013.webp)
ME910C1 mPCIe HW Design Guide
1VV0301642 Rev. 2
Page 13 of 56
2022-01-14
Not Subject to NDA
Pin
Signal
I/O
Function
Type
Comment
19
UART_CTS
I
Input for Clear To Send signal
(CTS) from DTE
1.8V
See note
I2S – Digital Voice Interface (DVI)
45
PCM_CLK
I/O
Digital Audio Interface (BIT
Clock)
1.8V
Only for ME910G1-WW
RESERVED for others
47
PCM_TX
O
Digital Audio Interface (TX Out
of the card)
1.8V
Only for ME910G1-WW
RESERVED for others
49
PCM_RX
I
Digital Audio Interface (RX Into
the card)
1.8V
Only for ME910G1-WW
RESERVED for others
51
PCM_SYNC
I/O
Digital Audio Interface
(Frame_Sync)
1.8V
Only for ME910G1-WW
RESERVED for others
16
REF_CLK
O
Reference clock for external
Codec
1.8V
Reserved
SIM Card Interface
8
SIMVCC
I/O
External SIM signal
SIM Power Supply
1.8 / 3V
10
SIMIO
I/O
External SIM signal
Data I/O
1.8 / 3V
12
SIMCLK
O
External SIM signal
Clock
1.8 / 3V
14
SIMRST
O
External SIM signal
Reset
1.8 / 3V
Miscellaneous Functions
1
WAKE_N
O
Active Low output signal Wake
Up signal to the host system
3V3_AUX
6
1V5
O
1V5 Power Supply
Power
Not Used
20
W_DISABLE_N
I
Active Low Input Signal:
· Shutdowns
· Wireless disabling (Flight
mode)
3V3_AUX
Already has an internal 100K PU
to 3V3_AUX
22
PERST_N
I
Active Low Input Signal
· Shutdowns
3V3_AUX
Should be externally
PU to 3V3_AUX
24
3V3
-
3.3V Digital Power Supply
Power
Not Used
28
1V5
O
1V5 Power Supply
Power
Not Used
42
LED_WWAN_N
O
Open Drain circuitry
LED driving, for module’s
status indication
LED should be PU externally in
series to 3V3_AUX
48
1V5
O
1V5 Power Supply
Power
Not Used
Reserved