L9805E datasheet(4/127 Pages) STMICROELECTRONICS

Part #	L9805E

Description	Super smart power motor driver with 8-Bit MCU, RAM, EEPROM, ADC, WDG, Timers, PWM and H-bridge driver

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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4 / 127 page

Contents

L9805E

4/127

5.6

Controller Area Network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.6.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5.6.2

Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

5.6.3

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

5.6.4

Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

5.7

CAN BUS TRANSCEIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.7.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.7.2

Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

5.7.3

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5.7.4

CAN Transceiver Disabling function . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5.8

Power Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5.8.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5.8.2

Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

5.8.3

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

5.8.4

Interrupt generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

5.8.5

Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

5.8.6

Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

5.9

EEPROM (EEP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

5.9.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

5.9.2

Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

5.9.3

Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

6

Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

6.1

ST7 Addressing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

6.2

Instruction groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

7

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

7.1

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

7.2

Power considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

7.3

Application diagram example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

7.4

DC Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

7.5

Control Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

7.6

Operating block electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . 121

8

Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

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