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Z87L01 Datasheet(PDF) 2 Page - Zilog, Inc. |
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Z87L01 Datasheet(HTML) 2 Page - Zilog, Inc. |
2 / 51 page Z87001/Z87L01 ROMless Spread Spectrum Cordless Phone Controller Zilog 2 P R E L I M I N A R Y DS96WRL0800 GENERAL DESCRIPTION (Continued) plexing of the 32 kbps voice data and 4 kbps command data between handset and base station. The Z87001 pro- vides thirty-two I/O pins, including four wake-up inputs and two CPU interrupt inputs. These programmable I/O pins al- low a variety of user-determined phone features and board layout configurations. Additionally, the pins may be used so that phone features and interfaces are supported by an optional microcontroller rather than by the Z87001’s DSP core. In combination with an RF section designed according to the system specifications, Zilog’s Z87010/Z87L10 ADPCM Processor, a standard 8-bit PCM telephone codec and minimal additional phone circuity, the Z87001 and its em- bedded software provide a total system solution. Figure 1. System Block Diagram of a Z87001/Z87010 Based Phone Z87010 ADPCM Processor Z87001 Spread Spectrum Controller RF Section Z87010 ADPCM Processor Z87001 Spread Spectrum Controller RF Section Telephone Line Interface Base Station Handset Codec Codec |
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