ST7FLCD1 datasheet(3/95 Pages) STMICROELECTRONICS

3 / 95 page

3/95

ST7FLCD1

Chapter 6

Clocks & Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

6.1

Clock System ..................................................................................................................... 32

6.1.1

General Description ...........................................................................................................................32

6.1.2

Crystal Oscillator Mode ......................................................................................................................32

6.1.3

External Clock Mode ..........................................................................................................................32

6.1.4

Clock Signals .....................................................................................................................................32

6.2

Power Saving Modes ......................................................................................................... 33

6.2.1

HALT Mode ........................................................................................................................................33

6.2.2

WAIT Mode ........................................................................................................................................33

6.2.3

Exit from HALT and WAIT Modes ......................................................................................................33

6.2.4

Selected Peripherals Mode ................................................................................................................34

Chapter 7

I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

7.1

Introduction ........................................................................................................................ 35

7.2

Common Functional Description ........................................................................................ 36

7.3

Port A ................................................................................................................................. 37

7.4

Port B ................................................................................................................................. 39

7.5

Port C ................................................................................................................................. 40

7.6

Port D ................................................................................................................................. 41

7.7

Register Description ........................................................................................................... 42

Chapter 8

PWM Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

8.1

Introduction ........................................................................................................................ 43

8.2

Main Features .................................................................................................................... 43

8.3

Functional Description ........................................................................................................ 43

8.4

Register Description ........................................................................................................... 46

Chapter 9

8-bit Analog-to-Digital Converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

9.1

Introduction ........................................................................................................................ 49

9.2

Main Features .................................................................................................................... 49

9.3

Functional Description ........................................................................................................ 49

9.4

Register Description ........................................................................................................... 50

Chapter 10

I²C Single-Master Bus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

10.1

Introduction ........................................................................................................................ 52

10.2

Main Features .................................................................................................................... 52

10.3

General Description ........................................................................................................... 52

10.4

Functional Description (Master Mode) ............................................................................... 54

10.5

Transfer Sequencing .......................................................................................................... 54

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