Datasheet HT45B3305H (Holtek) - 4

HT45B3305H HT45B3305H CAN Bus Controller CAN Bus Controller Block Diagram
Reset RES Circuit Pin-Shared Message With CLKOUT RAM 32×139 bits CANTX SSIF CANRX Generic CAN Core SOF Interface CS/IA1 Write Buffer & HT8 to C Message CANMINT Data Check CAN Handler SCK/SCL Protocol Logic Generic RM1INT SPI Interface MISO/IA0 RMXINT MOSI/SDA CAN Module SYSCLK fSYS I2C fSYS/2 OSC1 0 MUX Prescaler HXT 1 fSYS/4 OSC2 31 Write Buffers fSYS/8 VDD VDD VSS VSS Clock System CLKOUT : Pin-Shared Node
Pin Assignment
C LKOUT R / M S V V S 1 S D I I N F S D T VDD 1 16 OSC1 VSS 2 15 OSC2 16 15 14 13 CLKOUT/SSIF 3 14 SOF CS/IA1 1 12 RES CS/IA1 4 13 RES SCK/SCL 2 11 SOF SCK/SCL 5 12 RM1INT
HT45B3305H
RMXINT 3
16 QFN-A
10 CANMINT RMXINT 6 11 CANMINT MISO/IA0 4 9 CANRX MISO/IA0 7 10 CANRX 5 6 7 8 MOSI/SDA 8 9 CANTX M OSC OSC CANTX OS
HT45B3305H
I 1 2 /
16 NSOP-A
S D A Rev. 1.00 4 December 25, 2019 Rev. 1.00 5 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