Glossary » History » Version 2
laforge, 02/19/2016 10:49 PM
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1 | 2 | laforge | {{>toc}} |
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2 | 1 | laforge | |
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4 | 2 | laforge | h1. Glossary of phone design related terms |
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8 | h2. ABB |
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10 | 1 | laforge | Analog Base Band |
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12 | 2 | laforge | |
13 | h2. DBB |
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15 | 1 | laforge | Digital Base Band |
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17 | 2 | laforge | |
18 | h2. TPU |
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20 | 1 | laforge | Time Processing Unit. A programmable state machine to control events synchronous to the GSM bitclock |
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22 | 2 | laforge | |
23 | h2. TSP |
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25 | 1 | laforge | Time Serial Port. Synchronization bus used for timing certain digital control signals. |
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27 | 2 | laforge | |
28 | h2. DSP |
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30 | 1 | laforge | Digital Signal Processor |
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32 | 2 | laforge | |
33 | h2. MCU |
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35 | 1 | laforge | Micro Controller Unit (the ARM CPU in the Calypso) |
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37 | 2 | laforge | |
38 | h2. BSP |
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40 | 1 | laforge | Baseband Serial Port. Communicates digital I/Q samples between ABB and DBB |
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42 | 2 | laforge | |
43 | h2. USP |
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45 | 1 | laforge | uController Serial Port. A SPI control interface between the MCU(ARM) in the DBB and the ABB |
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47 | 2 | laforge | |
48 | h2. VSP |
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50 | 1 | laforge | Voiceband Serial Port. Communicates speech samples between the DBB(DSP) and the ABB |
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53 | 2 | laforge | h2. UL |
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55 | [[UpLink]]. The direction from the MS to the BTS. (Phone Tx) |
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58 | h2. DL |
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60 | [[DownLink]]. The direction from the BTS to the MS. (Phone Rx) |