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SN66168B Datasheet(PDF) 2 Page - SONiX Technology Company |
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SN66168B Datasheet(HTML) 2 Page - SONiX Technology Company |
2 / 11 page SN66168B 4-Channel Speech Controller 3 Block Diagram Sampling Rate Counter × 4 Timing Generator IO4 DA8-bit Timer SRAM (128 nibbles) ALU Voice Synthesizer IO2 IO3 IO1 DA8-bit Address Pointers/ STACK OSC ROM Program/Speech/Melody/Instrument waveform 512K ×12 bits 4 PIN ASSIGNMENT Symbol I/O Function Description P13, P12, P11, P10 I Bit3 ~ Bit0 of input port 1 P23, P22, P21, P20 I/O Bit3 ~ Bit0 of I/O port 2 P33, P32, P31, P30 I/O Bit3 ~ Bit0 of I/O port 3 P43, P42, P41, P40 O Bit3 ~ Bit0 of output port 4 VDD I Positive power supply GND I Negative power supply OSC/XIN I Oscillator / Crystal In XOUT O Crystal Out CKSEL I Clock type select ‘L’ or floating → RC oscillator ‘H’ →Crystal VO1 O D/A current output, for channel 1 and 2 VO2 O D/A current output, for channel 3 and 4 Ver: 1.1 December 6, 2004 2 |
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