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MSM6585 Datasheet(PDF) 4 Page - OKI electronic componets |
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MSM6585 Datasheet(HTML) 4 Page - OKI electronic componets |
4 / 16 page ¡ Semiconductor 4 MSM6585 PIN DESCRIPTION Symbol Type Description S1 I Pins to determine the sampling frequency. The sampling frequencies of 32k, 16k, 8k, and 4kHz can be selected by combinations. (See the sampling frequencies in FUNCTIONAL DESCRIPTION on the selection of combinations.) T3 I Pin to test the internal circuit. Set this pin to a high level or make it open because it has a built-in pull-up resistor. D0-D3 I Input pins for ADPCM data. T4 O Pin to test the internal circuit. Make this pin open. GND — Ground pin AOUT O Pin to output the analog voice from the low-pass filter. Connect a 0.01 mF capacitor to this pin. (See the AOUT connecting circuit in FUNCTIONAL DESCRIPTION on the connecting circuit.) DAO O Pin to output the analog voice from the DA converter. T1 I Pins to test the internal circuit. Set these pins to a low level or make them open because pull-down resistors are included. VCK O This pin outputs the sampling frequency selected by the combinations of S1 and S2. The voice synthesis starts or stops by synchronizing with VCK. RESET I Reset pin. The voice synthesis circuit is initialized by synchronizing with VCK. If this pin is set to a high level, the D0 to D3 data inputs are disabled by synchronizing with VCK. The AOUT and DA0 pins output 1/2 VDD and become the state of no voice. XT I Pin to connect an oscillator. When the external clock is used, input it from this pin. XT O Pin to connect an oscillator. When the external clock is used, make this pin open. VDD — Power supply pin. Insert a bypass capacitor of 0.1 mF or more between this pin and the GND pin. DIP SOP SSOP 111 S2 222 336 4-7 5, 7, 8, 10 7-10 811 14 912 15 10 13 16 11 14 17 12 16 21 T2 13 17 22 14 18 23 15 20 24 16 22 25 17 23 29 18 24 30 Pin Pin to test the internal circuit. Make this pin open. |
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