UPD9930 datasheet(8/78 Pages) NEC

8 / 78 page

µPD9930

AVDD

Analog input

To internal circuit

AGND

AVDD

Analog input

To internal circuit

AGND

AVDD

Analog output

From internal circuit

AGND

DVDD

CMOS input

To internal

circuit

DGND

DVDD

CMOS input

To internal

circuit

DGND

DVDD

CMOS input

To internal

circuit

DGND

Mask input

DVDD

CMOS input

To internal

circuit

DGND

DVDD

DGND

CMOS output

DVDD

From internal

circuit

DGND

CMOS output

DVDD

From internal

circuit

Enable signal

Type 2

Type 1

Type 3

Type 5

Type 4

Type 7

Note

Type 6

Note

Type 9

Type 8

Pin Name MICI+, MICI–, XAUXI–, REC2I–

Pin Name MICO, XAUXO, XACOMO, RACOMO,

REC2O+, REC2O–, REC1O, RAUXO

Pin Name SI

Pin Name DRSTB, DI

Pin Name DO, DCLK

Pin Name MIXI, XACOMI, RACOMI

Pin Name MDAT, MCLK, DSPSEL, REQB,

RESETB, FSYNC, TEST, MSTR

Pin Name TC1, TC2

Pin Name TIMER, RINGER, SEN, SO, SCLK

1.2 PIN EQUIVALENT CIRCUIT

Note In normal mode, set the output of drive IC side to high impedance for reducing power consumption.

UPD9930 Datasheet(PDF) 8 Page - NEC

UPD9930 Datasheet(HTML) 8 Page - NEC

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