Datasheet HT45B3305H (Holtek) - 5

HT45B3305H HT45B3305H CAN Bus Controller CAN Bus Controller Pin Description Pin Name Function Type Description
CLKOUT O Clock output pin with programmable prescaler CLKOUT/SSIF SSIF I SPI or I2C interface selection pin when RES was low CS I Chip Select input pin for SPI interface CS/IA1 IA1 I Define I2C address bit 1 when RES was low SCK I Clock input pin for SPI interface SCK/SCL SCL I Clock input pin for I2C interface MISO O Master In Slave Out, the device data output for SPI interface MISO/IA0 IA0 I Defining I2C address bit 0 when RES was low MOSI I Master Out Slave In, the device data input for SPI interface MOSI/SDA SDA I/O Data input/output for I2C interface OSC1 OSC1 I Oscillator input OSC2 OSC2 O Oscillator output SOF SOF O Start of Frame signal RES RES I Reset input, active-low CANMINT CANMINT O CAN Interrupt output pin RM1INT RM1INT O Receive a Message into Message Object 1 Successfully Interrupt RMXINT RMXINT O Receive a Message into Message Object x Successfully Interrupt, the x value is user-defined using the CANCFG Register CANTX CANTX O Transmit output pin to CAN bus CANRX CANRX I Receive input pin from CAN bus VDD VDD PWR Digital positive power supply. VSS VSS PWR Ground Legend: I= Input; O= Output; PWR= Power
Absolute Maximum Ratings
Supply Voltage ...VSS-0.3V to 6.0V Input Voltage ...VSS-0.3V to VDD+0.3V Storage Temperature ... -50°C to 125°C Operating Temperature ... -40°C to 125°C IOL Total ... 80mA IOH Total .. -80mA Total Power Dissipation ... 500mW Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum Ratings” may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. 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