[AK7752]

PIN/FUNCTION

No. Pin Name I/O

Function

Classification

1

EECS_N

O

EEPROM Chip Select Pin

Connect to the C_N pin of the AK6514C (EEPROM).The output is Hi-Z when

EESEL pin= “L”.

EEPIF

2

EESO

I

EEPROM Serial Data Receive Pin ( Internal pull-down )

Connect to the SO pin of the AK6514C (EEPROM).

Connect to DVSS or leave open when a EEPROM is not use.

3

EECK

O

EEPROM Serial Data Output Clock Pin

Connect to the SCK pin of the AK6514C (EEPROM). The output is Hi-Z when

EESEL pin = “L”.

4

EESI

O

EEPROM Serial Data Output Pin

Connect to the SI pin of the AK6514C. The output is Hi-Z when EESEL pin=

“L”.

5

BVSS

-

Silicon Substrate Potential 0V

Connect to AVSS.

Analog Power

Supply

6

DVSS

-

Ground Pin for Digital Section 0.0V

Digital

7

DVDD

-

Power Supply Pin for Digital Section (3.3V typical)

Power Supply

8

RQ_N

I

Microprocessor Interface Write Request Pin (I2CSEL pin = “L”)

When initial reset state and Microcomputer interface are not in use, leave RQ_N

pin= “H”.

Microprocessor

Interface.

CAD1

I

9

RDY

O Data Write Ready Output Pin for Microprocessor Interface

Microprocessor

Interface

10

SO

O

Serial Data Output Pin for Microprocessor Interface

When RQ_N pin = “H”, SO pin= Hi-Z

11

SI

I

Serial Data Input Pin for Microprocessor Interface (I2CSEL pin = “L”)

When SI is not used, tie the SI pin = “L”.

CAD0

I

12

DVSS

-

Ground Pin for Digital Section 0.0V

Digital

13

DVDD

-

Power Supply Pin for Digital Section (3.3V typical)

Power Supply

14

SCLK

I

Serial Data Clock Pin for Microprocessor Interface (I2CSEL pin = “L”)

When SCLK is not used, tie the SCLK pin = “H”.

Microprocessor

Interface

SCL

I

15

SDA

I/O

Test Pin (I2CSEL pin = “L”)

Leave open. SDA goes “L”.

TEST

SDA

16

TESTO1

O

Test Output Pin

Leave open. Normally TESTO1 goes “L”.

TEST

17

STO

O Status Output Pin

Status

MS0578-E-01

-PB

2007/0

9

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