Pin Signal
23RX_TRACE
24TX_TRACE
UC864-E Hardware User Guide
1vv0300766a Rev.1 - 31/01/08
| I/O |
| Function |
| Internal |
| Type |
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| Pull up |
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| I |
| RX Data for debug monitor |
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| CMOS 2.6V |
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| O |
| TX Data for debug monitor |
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| CMOS 2.6V |
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Prog. / Data + Hw Flow Control
25 | C103/TXD | I | Serial data input (TXD) from DTE | CMOS 2.6V |
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26 | C104/RXD | O | Serial data output to DTE | CMOS 2.6V |
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27 | C107/DSR | O | Output for Data set ready signal (DSR) to DTE | CMOS 2.6V |
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28 | C106/CTS | O | Output for Clear to send signal (CTS) to DTE | CMOS 2.6V |
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29 | C108/DTR | I | Input for Data terminal ready signal (DTR) from DTE | CMOS 2.6V |
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30 | C125/RING | O | Output for Ring indicator signal (RI) to DTE | CMOS 2.6V |
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31 | C105/RTS | I | Input for Request to send signal (RTS) from DTE | CMOS 2.6V |
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32 | C109/DCD | O | Output for Data carrier detect signal (DCD) to DTE | CMOS 2.6V |
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| Miscellaneous Functions |
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| Analog input used to sense whether a peripheral device is |
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35 | USB_ID | AI | connected, and determine the peripheral type, a host or a | Analog |
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| peripheral |
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36 | PCM_CLOCK | I/O | PCM clock out | CMOS 2.6V |
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| DAC and ADC |
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37ADC_IN1
38ADC_IN2
39ADC_IN3
40DAC_OUT
AI Analog/Digital converter input
AI Analog/Digital converter input
AI Analog/Digital converter input
AO Digital/Analog converter output
Miscellaneous Functions
A/D
A/D
A/D
D/A(PDM)
| 45 | STAT_LED |
| O |
| Status indicator led |
| CMOS 1.8V |
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| 46 | GND |
| - |
| Ground |
| Ground |
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| AI |
| Power supply for the internal USB transceiver. This pin is |
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| 48 | USB_VBUS |
| /AO |
| configured as an analog input or an analog output depending |
| 4.4V ~5.25V |
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| upon the type of peripheral device connected. |
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| 49 | PWRMON |
| O |
| Power ON Monitor |
| CMOS 2.6V |
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| 50 | VAUX1 |
| - |
| Power output for external accessories |
| 2.85V |
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| 51 | CHARGE |
| AI |
| Charger input |
| Power |
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| 52 | CHARGE |
| AI |
| Charger input |
| Power |
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| 53 | ON/OFF* |
| I |
| Input command for switching power ON or OFF (toggle |
| Pull up to |
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| command). |
| VBATT | |||
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| 54 | RESET# |
| I |
| Reset input |
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| 55 | VRTC |
| AO |
| VRTC Backup capacitor |
| Power |
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| Telit GPIOs |
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56 TGPIO_19 I/O Telit GPIO19 Configurable GPIO
57 TGPIO_11 I/O Telit GPIO11 Configurable GPIO
58 TGPIO_20 I/O Telit GPIO20 Configurable GPIO
59 TGPIO_04 I/O Telit GPIO4 Configurable GPIO
60 TGPIO_14 I/O Telit GPIO14 Configurable GPIO
CMOS 2.6V CMOS 2.6V CMOS 2.6V CMOS 2.6V
CMOS 2.6V
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved | page 9 of 51 |