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NSAM266SAA/V 数据表(PDF) 1 Page - National Semiconductor (TI) |
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NSAM266SAA/V 数据表(HTML) 1 Page - National Semiconductor (TI) |
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1 / 52 page  TLEE12584 March 1996 NSAM266SA CompactSPEECH TM Digital Speech Processor with Serial Flash Interface General Description The NSAM266SA is a member of National Semiconductor’s CompactSPEECH Digital Speech Processor family This processor provides Digital Answering Machine (DAM) func- tionality to embedded systems The CompactSPEECH interfaces with National Semicon- ductor’s NM29A040 and NM29A080 Serial Flash memory devices to provide a cost-effective solution for DAM and Cordless DAM (CDAM) applications The CompactSPEECH processor integrates the functions of a traditional Digital Signal Processing (DSP) chip and the CR16A a 16-bit general-purpose RISC core implementation of the CompactRISCTM architecture It contains system sup- port functions such as Interrupt Control Units Codec inter- face MICROWIRETM interfaces to a microcontroller and Serial Flash WATCHDOGTM timer and a Clock Generator The CompactSPEECH processor operates as a slave pe- ripheral that is controlled by an external microcontroller via a serial MICROWIRE interface In a typical DAM environ- ment the microcontroller controls the analog circuits but- tons and display and activates the CompactSPEECH by sending it commands The CompactSPEECH processor ex- ecutes the commands and returns status information to the microcontroller The CompactSPEECH firmware implements voice compres- sion and decompression tone detection and generation message storage management speech synthesis for time- and-day stamp and supports user-defined voice prompts in various languages The CompactSPEECH implements echo-cancellation tech- niques to support high-quality DTMF tone detection during message playback The CompactSPEECH can synthesize messages in various languages via the International Vocabulary Support (IVS) mechanism The NSAM266SA can store vocabularies on either Serial Flash or Expansion ROM memories DAM manufacturers can thus create machines that ‘‘speak’’ in different languages simply by using other vocabularies For more details about IVS refer to the IVS User’s Manual 10 Hardware 11 BLOCK DIAGRAMS NSAM266SA Basic Configuration TLEE12584 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation CompactSPEECHTM CompactRISCTM COPSTM Microcontrollers HPCTM MICROWIRETM MICROWIREPLUSTM and WATCHDOGTM are trademarks of National Semiconductor Corporation C1996 National Semiconductor Corporation RRD-B30M46Printed in U S A http www nationalcom |
类似零件编号 - NSAM266SAA/V |
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类似说明 - NSAM266SAA/V |
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