STV3550 datasheet(5/144 Pages) STMICROELECTRONICS

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STV3550

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7.7.1

Basic Features ......................................................................................................................................97

7.7.2

Functional Description ..........................................................................................................................97

7.7.3

PIO Pad Connection & Control .............................................................................................................98

7.7.4

Clock Generation ..................................................................................................................................99

7.7.5

Clock Control ........................................................................................................................................99

7.7.6

Shift Register ......................................................................................................................................101

7.7.7

Clock Edge Detection .........................................................................................................................102

7.7.8

Receive Data Sampling ......................................................................................................................103

7.7.9

Transmit & Receive Buffers ................................................................................................................104

7.7.10

Loopback Mode ..................................................................................................................................104

7.7.11

Enabling Operation .............................................................................................................................104

7.7.12

Master/Slave Operation ......................................................................................................................104

7.7.13

Error Detection ...................................................................................................................................105

7.7.14

Interrupt Mechanism ...........................................................................................................................106

7.7.15

Software Reset ...................................................................................................................................106

7.7.16

I²C Operation ......................................................................................................................................107

7.7.17

Clock Period In I²C Mode ...................................................................................................................109

7.7.18

Clock Synchronization ........................................................................................................................110

7.7.19

START/STOP Condition Detection ..................................................................................................... 111

7.7.20

Slave Address Comparison ................................................................................................................ 111

7.7.21

Clock Stretching ..................................................................................................................................112

7.7.22

START/STOP Condition Generation .................................................................................................. 112

7.7.23

Acknowledge Bit Generation ..............................................................................................................113

7.7.24

Arbitration Checking ...........................................................................................................................113

7.7.25

I²C Timing Specification ......................................................................................................................114

7.8

Asynchronous Serial Controller (ASC) ............................................................................. 116

7.8.1

Control ................................................................................................................................................116

7.8.2

Data Frames .......................................................................................................................................117

7.8.3

Transmission ......................................................................................................................................118

7.8.4

Reception ...........................................................................................................................................119

7.8.5

Baud Rate Generation ........................................................................................................................121

7.8.6

Interrupt Control ..................................................................................................................................123

7.9

IrDA Encoder/Decoder ..................................................................................................... 126

7.9.1

Encoding Scheme ..............................................................................................................................126

7.9.2

Decoding Scheme ..............................................................................................................................126

7.9.3

Register ..............................................................................................................................................127

Chapter 8

General Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128

8.1

Package Mechanical Data

............................................................................................. 128

Chapter 9

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130

9.1

Absolute Maximum Ratings ............................................................................................ 130

9.2

Thermal Data .................................................................................................................. 131

9.3

DC Electrical Characteristics ............................................................................................ 131

9.4

Supply Current Characteristics ....................................................................................... 132

9.5

H/V Synchronization Characteristics ............................................................................... 132

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