Datasheet HT45B3305H (Holtek) - 2

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HT45B3305H HT45B3305H CAN Bus Controller CAN Bus Controller Table of Contents Features ...3 Applications ..3 General Description ..3 Block Diagram ...4 Pin Assignment ...4 Pin Description ...5 Absolute Maximum Ratings ...5 D.C. Characteristics ..6
Operating Voltage Characteristics ...6 Operating Current Characteristics ...6 Standby Current Characteristics ...6
A.C. Characteristics ..7
System Frequency Characteristics ...7 Timing Characteristics ...7
CAN Electrical Characteristics ..7 Power-on Reset Characteristics ..8 Power Control Function ...8
CLKOUT Pin ...8 IDLE Mode ..8 SLEEP Mode and Wake-up ..9
Functional Description ...9
Write Buffer and Data Check...9 SPI and I2C Frame Fields ..10 SPI Serial Interface ...13 I2C Serial Interface ..14 HT45B3305H CAN Block Diagram ...16 Interrupt Output Pins ...17 Message RAM and FIFO Buffer Configuration ...17 HT45B3305H CAN Operating Modes ...19 CAN Application ..23
Register Description ...30
Register Map ...30 Register Reset Condition ..32 Register Description ..34
Application Circuits ..55
SPI Serial Interface ...55 I2C Serial Interface ..56
Package Information ..57
16-pin NSOP (150mil) Outline Dimensions ...58 SAW Type 16-pin QFN (3mm×3mm for FP0.25mm) Outline Dimensions ..59 Rev. 1.00 2 December 25, 2019 Rev. 1.00 3 December 25, 2019 Document Outline Features Applications General Description Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings D.C. Characteristics A.C. Characteristics System Frequency Characteristics Timing Characteristics Operating Voltage Characteristics Operating Current Characteristics Standby Current Characteristics CAN Electrical Characteristics Power-on Reset Characteristics Power Control Function CLKOUT Pin IDLE Mode SLEEP Mode and Wake-up Functional Description Write Buffer and Data Check SPI and I2C Frame Fields SPI Serial Interface I2C Serial Interface HT45B3305H CAN Block Diagram Interrupt Output Pins Message RAM and FIFO Buffer Configuration HT45B3305H CAN Operating Modes CAN Application Register Description Register Map Register Reset Condition Register Description Application Circuits SPI Serial Interface I2C Serial Interface Package Information 16-pin NSOP (150mil) Outline Dimensions SAW Type 16-pin QFN (3mm×3mm for FP0.25mm) Outline Dimensions