Panasonic F77G, MN101C77C user manual „Serial interface 4 Block Diagram, SC4STR

Models: F77G MN101C77C

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Chapter 13 Serial Interface 4

13-1-2 Block Diagram

„Serial interface 4 Block Diagram

SC4IRQ

 

 

 

 

0

 

 

 

 

 

 

7

 

0

 

 

 

 

 

 

7

0

 

 

 

 

 

 

7

IRQ

controlcircuit

 

SC4AD0

I2CAD0

I2CAD1

I2CAD2

I2CAD3

I2CAD4

I2CAD5

I2CAD6

I2CAD7

SC4AD1

I2CAD8

I2CAD9

I2CADM

I2CGEM

I2CPSEL -

-

SELI2C

SC4STR

-

ACKVALID

SLVBSY

I2CBSY

RSTRT

STRT

I2CINT

WRS

 

 

 

 

 

{

 

{

 

 

 

 

 

 

 

 

{ {

 

 

 

 

 

 

 

 

 

 

Match

 

 

10 /

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Read/Write Read

 

Transmission buffer Reception Buffer

SC4TXBSC4RXB

 

Transmission/reception

ck Shift register

 

Address compare circuit

 

 

Addressing circuit

 

Communication mode

selection circuit

 

 

 

 

Start/stopBus busy

detection circuitdetection circuit

 

 

 

 

 

 

 

 

 

 

 

 

M U X

 

 

 

 

M U X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P01/SDA

 

P53/SDA

 

 

 

 

P02/SCL

 

P54/SCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 13-1-1 Serial interface 4 Block Diagram

 

 

 

 

 

 

 

Overview XIII - 3

Page 429
Image 429
Panasonic F77G, MN101C77C user manual „Serial interface 4 Block Diagram, SC4STR