SN69040B Datasheet | SONiX

FEATURES Single power supply 2.4V - 5V Built in a tiny controller Two 4-bit I/O ports and two optional 4-bit output ports are provided Built in 40K- 10 ROM 256- 4 bits RAM for programming usage are provided 32- 4 bits RAM for LCD display usage are provided Maximum 16k program ROM is provided Readable ROM code data Built in direct 4- 32 LCD driver .. LCD 1/3 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 SN69040B can play speech and dual tone melody simultaneously Fixed current D/A output is provided to drive external connected transistor for sound output PWM output is provided to drive external connected piezo buzzer Ver 1.1 February 15, 2006 LCD Controller with Voice/Dual Tone Melody PIN ASSIGNMENT Symbol SEG1-SEG24 SEG25/P53-SE G28/P50 SEG29/P43-SE G32/P40 1-4 GND P33-P30 P23-P20 BU1,BU2 VO RST OSC TEST XIN,XOUT VDD I O I I/O I/O O O I I I O I/O O O Function Description segment 1~24 for LCD driver Optional to be SEG25-SEG28 or P53-P50 SEG25-28: segment25~28 for LCD driver. P53-P50: Bit3-bit0 for output port 5. Optional to be SEG29~SEG32 or P43-P40 SEG29~32: segment29~32 for LCD driver. P43~P40: Bit3-bit0 for output port 4. 1-4 for LCD driver. Negative power supply. Bit 3 to bit 0 of IO port 3. Bit 3 to bit 0 of IO port 2. Buzzer driver outputs. 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. Ver 1.1 February 15, 2006 LCD Controller with Voice/Dual Tone Melody ABSOLUTELY MAXIMUM RATING Items Supply Voltage Input Voltage Operating Temperature Storage Temperature TSTG -55.0 125.0 o Symbol VDD-V VIN TOP Min -0.3 VSS-0.3 -20.0 Max 6.0 VDD+0.3 70.0 Unit. V V o ELECTRICAL CHARACTERISTIC Item Sym. Min. Operating VDD 2.4 Voltage Standby current 1 ISBY1 Operating current Input...