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ST7282 - EPROM

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Figure 1.

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ST7282A5 - ST7282B5 ROM FROM EPROM PRELIMINARY DATASHEET s s ST72-Core Controller/Driver for max. 20 × 16, 28 × 8 or 32 × 4 LCD segments (ST7LCD4) 56 bytes LCD-RAM 864 bytes data RAM 512 bytes EEPROM (eep2a) 32Kbytes program ROM 24 digital I/O (ST7 IO3) with pull up, interrupt input, analog input, push-pull/ open drain output 36 LCD/IO combi pins (ST7 LCIO1) with pull-up, interrupt input, push-pull, open drain output, LCD output 16 bit reload timer (ST7TIM4) Watchdog Timer (ST7 WD2) 8 bit synchronous serial I/O (ST7SIO) s s s s s s s s s s s s s s Group & Block Sync Module for RDS (ST7 RDS GB) RDS filter (ST7 RDS FI) LCD Synchro IN / Out System Frequency 8.55 MHz 8 bit A/D Converter (ST7ADC2) s RDS Demodulator (ST7 RDS BD) s n n Family ST7 Issuer Ref.