ZAMC4100 Datasheet, PDF (33/155 Pages) Integrated Device Technology – Actuator and Motor Controller

ZAMC4100 Datasheet
3 ZAMC4100 SBC Functional Description
This section describes the functionality of the system with respect to the modes of operation - SBC analog
peripherals including the transistor drivers, analog-to-digital converter (ADC), LIN interface, interrupt sources, SPI
interface, etc.
3.1. System Power-Up Sequence
After powering up, ZAMC4100 enters the NORMAL operation mode executing the sequence shown in Figure 3.1.
Figure 3.1 SBC Power-Up State Diagram
SBC
Power supply
MCU
POR No
generated
Yes
Sys. Reset
TPWRT?
No
Yes
MCU SUPPLY ON
No
TMSC?
No _{MCU supply}
valid?
Yes
SLEEP Mode
entry
Yes
1) Enable MCU clock
2) Release MCU reset
Enable SBC
NORMAL Mode
MCU SW initialization
SW diagnostic check:
1) SBC-to-MCU
connectivity check
2) ADC check
3) Output drivers check
MCU application
routine execution
© 2016 Integrated Device Technology, Inc.
33
January 26, 2016