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MX93002FC

PCM CODEC

Macronix International 

MX93002

SYMBOL PIN PIN NBR.

DESCRIPTION

TYPE PQFP

(PLCC)

LPFC1 O (A) 24 (41) the option of the external passive L.P.F. (Low Pass Filter); if the pin is NC then will

by-pass L.P.F, where L.P.F. 3dB point : fc = 1/2£ k∗ 3KΩ (±10%)∗ CLPFC1)

LPFC2 O (A) 25 (42) the option of the external passive L.P.F. (Low Pass Filter); if the pin is NC then will

by-pass L.P.F, where L.P.F. 3dB point : fc = 1/2£ k∗ 3KΩ (±10%)∗ CLPFC2)

AUX2 I/O (A) 26 (43) as an I/O port for SWK and SWH

VR O (A) 27 (44) external speaker volume control; use a 10KΩ variable resistor

SVDD1 P (A) 28 (1) analog power supply; 5V power for SPK-DRV

SPKP O (A) 29 (2) the Non-inverting output of SPK-DRV with DA-PGA, ATT1 and ATT2; PGA from 0

to 9dB; Attenuator 1 & 2 from 0 to -45dB; see NOTE. 3

SGND P (A) 30 (3) analog power ground for SPK-DRV

SPKN O (A) 31 (4) the Inverting output of SPK-DRV with DA-PGA, ATT1 and ATT2; PGA from 0 to

9dB; Attenuator 1 & 2 from 0 to -45dB; see NOTE 3

SVDD2 P (A) 32 (5) analog power ground for SPK-DRV

SDENB I (D) 33 (6) the enable signal for serial control data; active low; for starting to Receive/Transmit

serial control data (A2~A0,D7~D0)

SDATA I/O (D) 34 (7) Bi-directional serial control data port; it is an interface for Microprocessor to

Transmit/Receive serial control data

SCLK I (D) 35 (8) serial control data clock; the clock source of serial control data; from

microprocessor

DX1 O (D) 36 (9) transmit serial data

DR1 I (D) 37 (10) receive serial data

DX2 O (D) 38 (11) transmit serial data

DR2 I (D) 39 (12) receive serial data

FS I (D) 40 (13) frame sync. input; 8KHz frame sync. Clock for the Transmit/Receive serial data

MCLK I (D) 41 (14) master clock input, if MCLK is continuously high or low then the MX93002 will get

into power down mode automatically

VDD P (D) 42 (15) digital power supply; 5V power supply for all internal digital logic

DGND P (D) 43 (16) digital power ground

PGND P (D) 44 (17) digital power ground; for internal PLL charge pump circuits

@ PIN TYPE : “ I” : Input Port; “ O” : Output Port; “ I/O” : Bi-direction Port; “ P” : Power

“ (D)” : Digital Pin; “ (A)” : Analog Pin

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