HT9580

Preliminary Features · · · · · · · · · · · · · · · HT9580 Character Pager Controller · · · · · · · · · · · · · · Operating voltage: 2.4V~3.5V Temperature range: -30°C to +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 error 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 controller which can be used for Chinese Pager system applications....