SN6A297 Datasheet | SONiX Technology Company

FEATURES - - - - - - - - - - - - - - Single power supply 2.4V - 5.1V Built in a tiny controller Two 4-bit I/O ports are provided, one 4-bit output ports are provided 272- 4 bits RAM for programming usage are provided (page0~15, m8~m15 of page18 and page21) 80- 4 bits RAM for LCD display usage are provided Maximum 108k- 10 program ROM is provided Readable ROM code data Built in direct 8- 40 LCD driver LCD 1/4 bias; 1/4 duty Built in a high quality speech synthesizer Adaptive playing speed from 2.5k-40k Hz is provided Built in a dual tone melody generator Speech/Dual tone melody mixer is provided which SN6A297 can play speech and dual tone melody simultaneously Fixed current D/A output is provided to drive external connected transistor for sound output May 24, 2001 LCD Controller with Voice/Dual Tone Melody - PIN ASSIGNMENT Symbol SEG1-SEG40 8-1 GND P23-P20 P33-P30 P43-P40 VO RESET OSC TEST XIN,XOUT VDD VLCDR VLC1, VLC2, VLC3, VLC4 I I/O O O I I/O I/O O O I I I Function Description Segment 1~40 for LCD driver. 8-1 for 8- 40 LCD driver. Negative power supply. Bit 3 to bit 0 of IO port 2. Bit 3 to bit 0 of IO port 3. Bit 3 to bit 0 of IO port 4. D/A current output. Reset pin with internal pull low. Oscillation ponent connection pin. For testing only. 32768 Hz Crystal connection pins. Positive power supply. LCD voltage adjusting pin. LCD voltage bias connection pins. May 24, 2001 LCD Controller with Voice/Dual Tone Melody - ABSOLUTELY MAXIMUM RATING Items Supply Voltage Input Voltage Operating Temperature Storage Temperature Symbol VDD-V VIN TOP TSTG Min -0.3 VSS-0.3 -20.0 -55.0 Max 6.0 VDD+0.3 70.0 125.0 Unit. V V o o - ELECTRICAL CHARACTERISTIC Item Sym. Min. Typ. Max. Unit Condition Operating VDD 2.4 3.0 5.1 V Voltage Standby current 1 ISBY1 1.0 u A VDD=3V,both system clk and 32768 Hz clk are off Standby current 2 ISBY2 20 50 u A VDD=3V, system clk is off, 32768 Hz clk is on for LCD display and timer. Operating IOPR 350 500 u A VDD=3V, no...