ZAMC4100 Datasheet, PDF (45/155 Pages) Integrated Device Technology – Actuator and Motor Controller

ZAMC4100 Datasheet
Figure 3.7 ZAMC4100 SLEEP and STANDBY Mode Behavior
ZAMC4100 SLEEP Mode
SBC
MCU
MCU application
routine execution
NORMAL Mode
SLEEP
MCU SUPPLY OFF
Clock switch
4MHz à 125kHz
SPI SMDCTRL write
SLEEP = 1
Analog blocks
power-down
LIN
No
wake-up?
Yes
Analog blocks
power-up
Clock switch
125kHz à 4MHz
MCU SUPPLY ON
No
Yes
TMSC?
No _{MCU supply}
valid?
Yes
1) Enable MCU clock
2) Release MCU reset
MCU SW initialization
SW Diagnostic Check:
1) SBC-to-MCU
connectivity check
2) ADC check
3) Output drivers check
ZAMC4100 STANDBY Mode
SBC
MCU
MCU application
routine execution
NORMAL Mode
STBY
LIN wake-up enable
LIN
Yes
wake-up?
No
No Other IRQ
event?
Yes
IRQN = 0
SPI SMDCTRL write
STBY = 1
MCU clock gate
MCU suspended
No
IRQN = 0?
Yes
MCU clock enable
© 2016 Integrated Device Technology, Inc.
45
January 26, 2016