ZAMC4100 datasheet(6/155 Pages) IDT

6 / 155 page

ZAMC4100 Datasheet

January 26, 2016

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

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