ST7282A5 Datasheet (STMicroelectronics)

ST7282A5, EPROM

Figure 1.

Block Diagram VDDP VSSP VDDA VSSA PC0/AIN PC1/AIN PC2/AIN PC3/AIN PC4/AIN PC5/AIN PC6/AIN PC7/AIN PB0/AIN PB1/AIN PB2/AIN PB3/AIN PB4/AIN PB5/AIN PB6/AIN PB7/AIN S 1 6/P D 7 S 1 5/P D 6 S 1 4/P D 5 S 1 3/P D 4 S 1 2/P D 3 S 1 1/P D 2 S 1 0/P D 1 S9/PD 0 S8/PF 7 S7/PF 6 S6/PF 5 S5/PF 4 S4

ST7282A5 - ST7282B5 s ST72-Core s Controller/Driver for max.

20 × 16, 28 × 8 or 32 × 4 s LCD segments (ST7LCD4) s 56 bytes LCD-RAM s 864 bytes data RAM s 512 bytes EEPROM (eep2a) s 32Kbytes program ROM s 24 digital I/O (ST7 IO3) with pull up, interrupt input, analog input, push-pull/ open drain output s 36 LCD/IO combi pins (ST7 LCIO1) with pull-up, interrupt input, push-pull, open drain output, LCD output s 16 bit reload timer (ST7TIM4) s Watchdog Timer (ST7 WD2) s 8 bit synchronous serial I/O