xE70-915 RF Module User Guide
1VV0301106
rev.3 – 2015-03-04
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved.
Page 18 of 34
4.2.
Module Pin-out Table
Pin
Pin name
Pin type
Signal level
Function
J30
GND
Gnd
RF Ground connection for external antenna
J29
Ext_Antenna
RF
RF I/O connection to external antenna
J28
GND
Gnd
RF Ground connection for external antenna
J27
GND
Gnd
Ground
J26
GND
Gnd
Ground
J25
VDD
Power
Digital and Radio part power supply pin
J24
CTS
I
TTL
Clear To Send
J23
RESET
I
TTL
µC reset ( Active low with internal pull-up )
J22
RTS
O
TTL
Request To Send
J21
RXD
I
TTL
RxD UART – Serial Data Reception
J20
GND
Gnd
Ground
J19
TXD
O
TTL
TxD UART – Serial Data Transmission
J18
STAND_BY
I
TTL
Standby (Active high with internal pull-down: when set to 1 the
module is put in stand-by)
J17
GND
Gnd
Ground
J16
PROG
I
TTL
Signal for serial µC flashing (Active high with internal pull-down)
J15
GND
Gnd
Ground
J14
PDI_DATA
I/O
TTL
Program and Debug Interface DATA
J13
GND
Gnd
Ground
J12
GND
Gnd
Ground
J11
GND
Gnd
Ground
J10
PDI_CLK
I
TTL
Program and Debug Interface CLOCK
J9
IO9
1
I/O
TTL
Digital I/O N°9 with interrupt
Status TX/RX
O
TTL
See reference document [2] Frequency Hopping Star Network
Protocol Stack User Guide
J8
IO8_AD_DA
2
I/O
analog
A to D and D to A I/O N°8 with interrupt (Logic I/O capability)
ACK TX
O
TTL
See reference document [2] Frequency Hopping Star Network
Protocol Stack User Guide
J7
IO7_A
I/O
analog
Analog Input N°7 (Logic I/O capability)
J6
IO6_A
I/O
analog
Analog Input N°6 (Logic I/O capability)
J5
IO5_A
I/O
analog
Analog Input N°5 (Logic I/O capability)
J4
IO4_A
I/O
analog
Analog Input N°4 (Logic I/O capability)
J3
IO3_A
I/O
analog
Analog Input N°3 (Logic I/O capability)
1, 2
In case you want to use in the same application Telit ZE51 or ZE61 modules J9 and J8 should not be connected, since
reserved on these modules.