ymf781 Yamatake Corporation, ymf781 Datasheet
ymf781
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ymf781 Summary of contents
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... YMF781 Automobile sound PLayer-1 ■Overview YMF781 (APL-1: hereinafter described as APL- LSI, integrating synthesizer, ADPCM decoder and a CPU for control in one chip. Various sounds used in common automobiles, motor cycles, and electric appliances, such as alarm sound, operation sound, and melody sound, and pseudo engine sound for an electric car can be generated with a little CPU load. ...
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... A17 86 A18 87 A19 88 VDD 89 VSS 90 VDD 91 (P34) WRN 92 (P35) A21/A0 93 A20 A10 97 A11 98 A12 99 A13 100 2 < 100 pin SQFP Top View > YMF781 50 SPVSS 49 SPVDD 48 EQ3 47 EQ2 46 EQ1 45 AOR 44 AOL 43 VREF 42 VSS 41 VDD 40 RSTN 39 TRSTN 38 TDI 37 TCK 36 TMS 35 TDO 34 ...
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... YMF781 ■Terminal Functions No. Terminal Name (Port) I/O (Output Type) 1 A14 O 2 A15 O 3 A16 O 4 LBN/LWRN (P36 UBN/UWRN (P37 VSS - 7 VDD - 8 LED1 O 9 LED2 O 10 RTSN (P00 CTSN (P01) Ish 12 TXD (P10 RXD (P11) Ish 14 VDD - 15 VSS - 16 VDDC ...
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... External memory Address Bus 21/0 (4mA) External memory Address Bus 20 (4mA) External memory Address Bus 8 (4mA) External memory Address Bus 9 (4mA) External memory Address Bus 10 (4mA) External memory Address Bus 11 (4mA) External memory Address Bus 12 (4mA) External memory Address Bus 13 YMF781 Function ...
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... YMF781 ■Overview of the Operation APL-1 includes the Synthesizer Core, the CPU for control and its peripheral circuit. The CPU controls most of the controls such as Synthesizer Core and Input/Output Port. Since the Synthesizer Core controls are all controlled by the built-in CPU, sound contents can be played by a simple command from the external ...
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... The controller controls APL-1 in the power-saving mode. Boot ROM, Work RAM, Timer, WDT, etc. The peripheral devices of the Control CPU in the APL-1. 6 Boot ROM Work RAM Synthesizer Core Others （MA-5） Controller YMF781 External Memory Interface Timer WDT + EQ3 EQ2 EQ1 SPOUT1 SPOUT2 SPVDD ...
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... YMF781 ■Electrical Characteristics ●Absolute Maximum Ratings Ｉtem SPVDD terminal - Power supply Voltage (Speaker Amplifier section） VDD terminal - Power supply Voltage VDDC terminal - Power supply Voltage SPOUT1, SPOUT2 terminal - Supplied voltage Analog Input Voltage Digital Input Voltage (1) (*1) Digital Input Voltage (2) (*2) ...
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... Symbol T RSTW T RSTS T VSKW XFREQ XIIN T XIINW 1 VSKW T RSTW T T XIIN XIINW YMF781 Ｍin. Ｔyp. Ｍax. Ｕnit 20 ms 100 μs 0 μ 6.144 MHz 18.432 MHz 0.25*VDD IL ...
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... YMF781 Input Signals except XI ・Clock Sync Serial Interface Ｉtem SCLKN frequency (Serial transfer speed) SCLKN High time SCLKN Low time SDI set-up time SDI hold time SDO output delay time SDO output hold time (*1) SRDYN output delay time (L→H) (*2) Conditions -40 to 85℃ ...
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... T 9 RXD -2 Symbol Ｍin CTLD CTLD T CTLD T CTLD Access time clocks (variable) YMF781 Ｔyp. Ｍax. Ｕnit 144 kHz +2 % Ｔyp. Ｍax. Ｕnit CTLD T ...
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... YMF781 ● Analog Characteristics Conditions: T =25℃, VDD=3.30V, SPVDD=3.30V OP ・SP Amplifier Ｉtem Gain Settings (Fixed) Minimum load resistance (RL) Maximum Output Voltage Width (RL=8Ω) Maximum Output Power (RL=8Ω, THD+N≦1.0%) THD + N (RL=8Ω, f=1kHz, 330mW output) Quiescent noise (A-filter: weighing filter) ...
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... MEMO 12 YMF781 ...
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... YMF781 ■Package Outline 13 ...
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... Notice The specifications of this product are subject to improvement changes without prior notice. YMF781 ...