ZAMC4100 Datasheet, PDF (6/155 Pages) Integrated Device Technology – Actuator and Motor Controller

ZAMC4100 Datasheet
3.3.2. WDT during SLEEP and STANDBY Mode ...................................................................................... 40
3.3.3. WDT Configuration Register ............................................................................................................ 40
3.4. System Supply Monitoring...................................................................................................................... 41
3.4.1. Over-Voltage and Under-Voltage Detection .................................................................................... 41
3.4.2. ZAMC4100 Operation during Over-Voltage ..................................................................................... 42
3.4.3. ZAMC4100 Operation during Under-Voltage ................................................................................... 42
3.4.4. Charge Pump Voltage Monitoring .................................................................................................... 42
3.5. ZAMC4100 System Operational Modes ................................................................................................. 43
3.5.1. NORMAL Mode................................................................................................................................ 43
3.5.2. SLEEP Mode ................................................................................................................................... 44
3.5.3. STANDBY Mode .............................................................................................................................. 46
3.5.4. Supported Wake-up Sources ........................................................................................................... 46
3.5.5. Operational Modes Control .............................................................................................................. 47
3.6. SBC Interrupts ........................................................................................................................................ 49
3.6.1. SBC Interrupts: Enabling, Flagging, and Clearing Procedure.......................................................... 50
3.6.2. SBC Global Interrupts Registers ...................................................................................................... 50
3.7. Serial Peripheral Interface (SPI) Bus Interface ...................................................................................... 54
3.7.1. SBC and MCU SPI Connection Principles ....................................................................................... 55
3.7.2. SPI Write Access ............................................................................................................................. 56
3.7.3. SPI Pipelined Write/Read Access .................................................................................................... 57
3.7.4. SPI Read Access ............................................................................................................................. 57
3.7.5. SPI Slave Status Byte ...................................................................................................................... 58
3.8. Half-Bridge Drivers ................................................................................................................................. 59
3.8.1. Half-Bridge Drivers Control and Status Register ............................................................................. 60
3.8.2. Half-Bridge Over-Current Protection ................................................................................................ 61
3.8.3. Half-Bridge Driver Output Diagnostic Check.................................................................................... 63
3.9. High-Side Drivers ................................................................................................................................... 65
3.9.1. High-Side Control and Status Register ............................................................................................ 66
3.9.2. High-Side Over-Current Protection .................................................................................................. 66
3.9.3. High-Side Drivers Output Diagnostic Check .................................................................................... 66
3.10. Pulse Width Modulation (PWM) ............................................................................................................. 68
3.10.1. Overview .......................................................................................................................................... 68
3.10.2. PWM Signal Generation .................................................................................................................. 69
3.10.3. Drivers PWM Control ....................................................................................................................... 70
3.10.4. PWM Initialization ............................................................................................................................ 71
3.10.5. PWM Module in SLEEP and STANDBY Mode ................................................................................ 72
3.11. EC Mirror Driver...................................................................................................................................... 72
3.11.1. ECM Driver Current/Voltage Limitation and Protection against Short to GND or Vbat.................... 73
© 2016 Integrated Device Technology, Inc.
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January 26, 2016