User's Guide
UC864-E-AUTO / AWS-AUTO Hardware User Guide
1vv0300795 Rev.11 – 2010/11/18
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 9 of 78
Pin
PinPin
Pin
Signal
SignalSignal
Signal
I/O
I/OI/O
I/O
Function
FunctionFunction
Function
Internal
InternalInternal
Internal
Pull up
Pull upPull up
Pull up
Type
TypeType
Type
Prog. / Data + Hw Flow Control
Prog. / Data + Hw Flow ControlProg. / Data + Hw Flow Control
Prog. / Data + Hw Flow Control
25
2525
25
C103/TXD I Serial data input (TXD) from DTE Pull-Down CMOS 2.6V
26
2626
26
C104/RXD O
Serial data output to DTE Pull-Up CMOS 2.6V
27
2727
27
C107/DSR O
Output for Data set ready signal (DSR) to DTE Pull-Down CMOS 2.6V
28
2828
28
C106/CTS O
Output for Clear to send signal (CTS) to DTE Pull-Up CMOS 2.6V
29
2929
29
C108/DTR I Input for Data terminal ready signal (DTR) from DTE Pull-Up CMOS 2.6V
30
3030
30
C125/RING O
Output for Ring indicator signal (RI) to DTE Pull-Up CMOS 2.6V
31
3131
31
C105/RTS I Input for Request to send signal (RTS) from DTE Pull-Down CMOS 2.6V
32
3232
32
C109/DCD O
Output for Data carrier detect signal (DCD) to DTE Pull-Up CMOS 2.6V
Miscellaneous Functions
Miscellaneous FunctionsMiscellaneous Functions
Miscellaneous Functions
35
3535
35
USB_ID AI
Analog input used to sense whether a
peripheral device is connected, and
determine the peripheral type, a host
or a peripheral
Analog
36
3636
36
PCM_CLOCK I/O
PCM clock out Pull-Down
CMOS 2.6V
DAC and ADC
DAC and ADCDAC and ADC
DAC and ADC
37
3737
37
ADC_IN1 AI
Analog/Digital converter input A/D
38
3838
38
ADC_IN2 AI
Analog/Digital converter input A/D
39
3939
39
ADC_IN3 AI
Analog/Digital converter input A/D
40
4040
40
DAC_OUT AO
Digital/Analog converter output D/A
Miscellaneous Functions
Miscellaneous FunctionsMiscellaneous Functions
Miscellaneous Functions
45
4545
45
STAT_LED O
Status indicator led CMOS 1.8V
46
4646
46
GND -
Ground Ground
48
4848
48
USB_VBUS
AI
/A
O
Power supply for the internal USB transceiver. This pin is
configured as an analog input or an analog output depending
upon the type of peripheral device connected.
47K
Ω
pull-down
4.4V ~5.25V
49
4949
49
PWRMON O
Power ON Monitor 1K
Ω
CMOS 2.6V
50
5050
50
VAUX1 -
Power output for external accessories
51
5151
51
CHARGE AI
Charger input
10K
Ω
pull-down
Power
52
5252
52
CHARGE AI
Charger input Power
53
5353
53
ON/OFF I
Input command for switching power ON or OFF (toggle
command).
Pulled up on
chip
54
5454
54
RESET I Reset input 10K
Ω
55
5555
55
VRTC AO
Power supply for RTC block Power
Telit GPIOs
Telit GPIOsTelit GPIOs
Telit GPIOs
56
5656
56
GPIO_19 I/O
GPIO19 Configurable GPIO CMOS 2.6V
57
5757
57
GPIO_11 I/O
GPIO11 Configurable GPIO CMOS 2.6V
58
5858
58
GPIO_20 I/O
GPIO20 Configurable GPIO CMOS 2.6V
59
5959
59
GPIO_04 I/O
GPIO4 Configurable GPIO CMOS 2.6V
60
6060
60
GPIO_14 I/O
GPIO14 Configurable GPIO CMOS 2.6V
61
6161
61
GPIO_15 I/O
GPIO15 Configurable GPIO CMOS 2.6V