LC75100M 查看數據表（PDF） - SANYO -> Panasonic

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LC75100M

Digital Echo IC with Microphone Amplifier Circuit

SANYO -> Panasonic 

2 Serial data input

• CL: Normal Hi

CE

LC75100M

tEL

tES

CL

tSU

tHD

DI

B0 B1 B2 B3 A0 A1 A2

A3 LD2 LD1 LD0

Internal data

• CL: Normal Low

tEH

TEST2 TEST1 TEST0

tLC

(2) I2C bus control

I2C bus register

The I2C (Inter IC) bus is a bus system developed by Philips Corporation.

It controls the start and stop condition with SDA (Serial Data) and SCL (Serial Clock). The outputs of these signals

are of open drain type and wired OR.

SCL

SDA

S

ACK

ACK

P

S: Start condition/P: Stop condition/ACK: Acknowledge

Data is transferred MSB first.

One unit is made up of 8 bits. ACK is returned by the slave for acknowledgement.

The slave IC reads the data on the rising edge of SCL.

The master IC changes the data on the falling edge of SCL.

1 Control registers

• Slave Address

MSB

LSB

0

0

1

1

1

0

0

0

Note: The LC75100M can be used in the receive only mode if the LSB is set to 0.

No.A1021-9/14

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