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SDTO source select pin

“L”: internal ADC output, “H”: DAUX input

ORed with serial control register if P/S = “L” (Connected to ground)

MCKO clock frequency select pin

“L”: MCLK, “H”: MCLK/2.  ORed with serial control register if P/S = “L” (Connected to ground)

Audio data master/slave mode select pin

“L”: slave mode, “H”: master mode (Connected to ground)

Audio serial data clock pin

Input/output channel clock pin

DAC1 audio serial data input pin

DAC2 audio serial data input pin

DAC3 audio serial data input pin

Audio serial data output pin

AUX audio serial data input pin (Connected to ground)

Double speed sampling mode pin

“L”: normal speed, “H”: double speed

ORed with serial control register if P/S = “L” (Connected to ground)

De-emphasis pin

ORed with serial control register if P/S = “L” (Connected to ground)

Master clock output pin (Not used)

Digital power supply pin

Digital ground pin

Power-down & reset pin

When “L”, the AK4526 is powered-down and the control registers are reset to default state.

If the state of P/S, M/S, CAD0-1 changes, then the AK4526 must be reset by PD.

X’tal oscillator select/test mode pin

“H”: X’tal oscillator selected

“L”: External clock source selected

“NC”: If pin is floating then test mode is enabled. (Connected to ground)

Input clock select 1 pin (Connected to ground)

Input clock select 0 pin (Connected to ground)

Chip address pin

Used during the serial control mode. (Connected to ground)

Chip address pin

Used during the serial control mode. (Connected to ground)

Lch #3 analog output pin

Rch #3 analog output pin

Lch #2 analog output pin

Rch #2 analog output pin

Lch #1 analog output pin

Rch #1 analog output pin

Lch analog negative input pin

Lch analog positive input pin

SDOS

MCLK

S/M

BCLK

LRCK

SDT11

SDT12

SDT13

SDTO

DAUX

DFS

DEM1 – DEM0

MCKO

D. 5V

D. GND

PD

TEST

ICKS1

ICKS0

CAD1

CAD0

LOUT3

ROUT3

LOUT2

ROUT2

LOUT1

ROUT1

LIN–

LIN+

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Rch analog negative input pin

Rch analog positive input pin

Negative voltage reference input pin, AVSS (Connected to ground)

Common voltage output pin,  AVDD/2

 Large external capacitor is used to reduce power-supply noise

Positive voltage reference input pin, AVDD

Analog power supply pin

Analog ground pin

X’tal input pin (Not used)

External master clock input pin if XTS = “L”

Parallel/serial select pin

“L”: serial control mode, “H”: parallel control mode (Connected to ground)

Chip select pin in serial mode

Control data clock pin in serial mode

Control data input in serial mode

Control data output pin in serial mode

RIN–

RIN+

VREFL

VCOM

VREFH

A. 5V

A. GND

XTI

MCLKI

S/P

CS

CCLK

CDTI

CDTO

If pins TEST, ICKS0, ICKS1, PD, S/P, DFS, DEM0, DEM1, CAD0, CAD1, S/M, MCLK, SDOS are not driven, then TEST, ICKS0, ICKS1, CAD0, CAD1,
must be tied to either AVSS or AVDD. PD, S/P, DFS, DEM0, DEM1, S/M, MCLK, SDOS must be tied to either DVSS or DVDD.

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PHONO display data output to LED.

TUNER display data output to LED.

CD display data output to LED.

MD/DAT data output to LED.

TAPE display data output to LED.

Not used. (Connected to Ground)

Power reay display.

Power check (+5V)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Ground (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

Not used. (Connected to Ground)

UART data output to rewrite flash memory

UART data intput to rewrite flash memory

Clock output to flourescent display tube

Data output to flourescent display tube

Power supply +5 V

Fluorescent latch

Fluorescent clear

SIRCS input

External power regulator capacitor 0.1µ is connected to this terminal.

Not used (Connected to Ground)

Not used (Connected to Ground)

Not used (Connected to Ground)

Not used (Connected to Ground)

Not used (Connected to Ground)

Not used (Connected to Ground)

Analog power supply +5 V

AVRH (Connected to power supply +5 V)

SVRL (Connected to Ground)

Ground (Connected to Ground)

Key input 1

Key input 2

Key input 3

Key input 4

Ground (Connected to Ground)

Key input 5

Not used (Pull up)

Not used (Pull up)

RDS signal input (AEP only)

Stop input

Not used (Connected to Ground)

MD 0

MD 1 (Connected to power supply +5 V)

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LED PHONE

LED

LED

LED

LED

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POWER RY

5V CHECK

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VSS

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FLASH DATA OUT

FLASH DATA IN

FL CLK

FL DATA

VCC

FL LAT

FL CLEAR

SIRCS IN

C

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AVCC

AVRH

AVRL

AVSS

KEY INPUT 1

KEY INPUT 2

KEY INPUT 3

KEY INPUT 4

VSS

AD KEY IN 5

AD KEY IN 6

AD KEY IN 7

RDS SIGNAL

STOP

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MD 0

MD 1

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MD 2

HW STANDBY

RDS CLOCK

RDS DATA

VOL UP

VOL DOWN

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U-RESET

U-SREQ

U-MREQ

U-DATA

U-CLOCK

AUBUS-IN

SPEAKER

SPEAKER

POW-KEY IN

AUBUS-OUT

VIRSION IN1

VIRSION IN 2

VIRSION IN 3

VIRSION IN 4

VIRSION IN 5

VIRSION OUT 1

VIRSION OUT 2

JOG-UP

JOG-DOWN

RESET

FUNCTION UP

FUNCTION DOWN

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VSS

X0

X1

VCC

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LED CLK

LED DATA

LED CE

LED CLR

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MBUS-V1

MBUS-DVD

MBUS-TV

MBUS-STATUS

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LAT

RESET

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MD 2

Hardware STANDBY input

RDS clock input

RDS data input

Volume up output

Volume down output

Not used (Connected to Ground)

Reset output (Connected to MB90573 RESET)

Slave request and data input (Connected to MB90573 SLV DATA/REQ)

Master request output (Connected to MB90573 DISPMR)

Master data output  (Connected to MB90573 DISP DATA)

Master clock output  (Connected to MB90573 DISPCLK)

Audio bus input

Speaker A signal input.

Speaker B signal input.

POWER-KEY input.

Audio bus output

Virsion input.

Virsion input.

Virsion input.

Virsion input.

Virsion input.

Virsion output.

Virsion output.

Function encoder up input.

Function encoder down input.

Reset (Display MCU)

Rotary encoder input.

Rotary encoder input.

Not used (Connected to Ground)

Ground (Connected to Ground)

External ceramic filter 4 MHz is connected to this terminal

External ceramic filter 4 MHz is connected to this terminal

Power supply +5 V

Not used. (Connected to Ground)

Not used. (Connected to Ground)

LED clock input.

LED data input.

LED chip eneble input.

LED clear input.

Not used. (Connected to Ground)

Not used. (Connected to Ground)

V1 input from MBUS.

DVD input from MBUS.

TV input from MBUS.

STATUS input from MBUS.

Not used. (Connected to Ground)

Learning microprocessor latch output.

Reset.

Not used. (Connected to Ground)