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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT9580 датащи(PDF) 1 Page - Holtek Semiconductor Inc |
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HT9580 датащи(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 63 page  HT9580 Character Pager Controller 1 April 28, 2000 Preliminary Features · Operating voltage: 2.4V~3.5V · Temperature range: -30°Cto+85°C · low power, high performance M6502 core · low power crystal oscillator control - 512/1200/2400 bps data rate operation · ²CCIR Radio Paging Code No.1² (POCSAG) compatible · 76.8kHz crystal for all available data rates · High/low system clock switching capability · 44 Kbytes program ROM · 848 bytes global data RAM · Internal 2 Mbits Character ROM · 256 Kbits internal SRAM · External option up to 2 Mbits Character ROM or 2 Mbits SRAM · SED15X(KSX), MC141X and HD66410 series LCD driver compatible interface option · 46 bytes message buffer · One 16-bit timer and one 8-bit timer · Internal 2Hz or 1Hz RTC or Real Time Clock option · Single buzzer generator output (BZ) with duty cycle control · low current HALT mode operation · 16-bit watchdog timer · Built-in data filter (16-times over-sampling ) and bit clock recovery · Advanced synchronization algorithm · 2-bit random and (optional) 4-bit burst er- ror correction for address and message · Up to 6 user addresses and 6 user frames, independently programmable · 3 RF power-on timing control pins and Received data inversion (optional) · Built in SPI circuit · Out-of-range condition indicator · One internal 8-bit D/A converter · Battery fail and battery low detection · 80-pin LQFP package General Description The HT9580 is a high performance pager con- troller which can be used for Chinese Pager system applications. The HT9580 4-in-1 Char- acter Pager Controller combines a POCSAG de- coder with a M6502 microprocessor core, 2 Mbits Character ROM and 256 Kbits SRAM to provide both high decoder performance and ex- cellent system flexibility. The decoder utilizes a 2-bit random error correction algorithm and therefore provides excellent decoder sensitiv- ity. The controller contains a full function pager decoder at a 512, 1200, 2400 bps data rates. Using an M6502 core takes advantage of a flexible external control interface, LCD driver chips and abundant programming resources from worldwide providers. The internal SPI would communicate with SPI of FLEXTM high speed pager decoder. FLEX TM is a trademark of Motorola Inc. |
Аналогичный номер детали - HT9580 |
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Аналогичное описание - HT9580 |
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