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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MSM9802 датащи(PDF) 24 Page - OKI electronic componets |
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MSM9802 датащи(HTML) 24 Page - OKI electronic componets |
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24 / 52 page  24/51 MSM9802/03/05-xxx ¡ Semiconductor PIN DESCRIPTIONS Symbol Type Description The IC enters the standby state if this pin is set to "L" level. At this time, oscillation stops and AOUT drives a current of 0 mA and becomes GND level, then the IC returns to the initial state. Apply a "L" pulse upon power-on. This pin has an internal pull-up resistor. RESET I Signal output pin that indicates whether the 6-bit LATCH (see Block Diagram) is idle. NAR at "H" level indicates that the LATCH is empty and ST input is enabled. NAR O XT/RC switching pin. Set to "H" level if ceramic oscillation is used. Set to "L" level if RC oscillation is used. XT/CR I Microcontroller interface/stand-alone mode switching pin. Set to "H" level if the MSM9802/03/05 is used in microcontroller interface mode. CPU/STD I Volume setting pin. If this pin is set to GND level, the maximum current is forced in, and if set to VDD level, the minimum current is forced in. An approx. 10 kW pull-down resistor is internally connected to this pin during operation. VREF I Voice output pin. The voice signals are output as current changes. In standby state, this pin drives a current of 0 mA and becomes GND level. AOUT O Ground pin. GND — Power supply pin. Insert a bypass capacitor of 0.1 mF or more between this pin and the GND pin. VDD — Ceramic oscillator connection pin when ceramic oscillation is selected. RC connection pin when RC oscillation is selected. Input from this pin if external clock is used. OSC1 I Ceramic oscillator connection pin when ceramic oscillation is selected. RC connection pin when RC oscillation is selected. Leave this pin open if external clock is used. Outputs "L" level in standby state. OSC2 O Leave this pin open when ceramic oscillation is used. RC connection pin when RC oscillation is selected. Outputs "H" level in standby state when RC oscillation is selected. OSC3/TEST O Voice synthesis starts at fall of ST, and addresses I0 to I5 are fetched at rise of ST. Input ST when NAR, the status signal, is at "H" level. This pin has internal pull-up resistor. ST I Phrase input pins corresponding to playback sound. I0 - I5 I DIP SOP SSOP 417 21 620 25 518 23 14 7 8 823 29 924 30 722 28 10 1 1 11 2 2 12 3 3 13 5 6 15810 16-18 1-3 10-15 13-18 Pin |
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