Application Kit TC2X4
Hardware Manual
Application Kit Information
User’s Manual
3-2
V 1.0, 2014-10
•
Voltage reference 5.0 V +/- 1% for ADC supply, 150 mA current capability (named
Volt_Ref)
•
Two trackers for sensor supply following voltage reference 150 mA current capability
each (named Tracker 1 and Tracker 2, not used)
•
Standby regulator 3.3 V/10 mA (VS2) (named LDO_Stby)
•
Independent voltage monitoring block with reset function
•
Configurable functional and window watchdog
•
16-bit SPI
•
Safe state control with two safe state signals with programmable delay
•
Input voltage monitoring (over voltage switch off)
•
Green Product (RoHS compliant)
•
ISO26262 compliant
•
AEC Qualified
The TLF35584 is connected to the CPU via QSPI2 and use QSPI2_SLSO1 (P14.2) as
chip select. Via this spi connection the power supply will be configured (Watchdog,
device states and soon).
For more information see the data sheet of TLF35584. Because the TC234 and TC224
are 3,3V devices we use the 3,3V version of the TLF35584 (VS2).
3.2
Real Time Clock
The board is equipped with a RTC MCP79511 from Microchip. The device is powered
from the standby voltage of the TLF35584 and is also powered when the TLF35584 is
switched to standby mode. For backup when the TLF35584 is not powered then there is
a small battery to hold the value inside the RTC. The RTC is connected to the
microcontroller via QSPI3 and can trigger an SCU_REQ8 (P33.7) interrupt (activ high)
with the alarms. Also an alarm from the RTC will wake-up (switch on) the board if the
board is powered and the supply is switched off.
The MCP79511 contains also an unique ID in the format EUI-48. This id can be used as
mac id for ethernet if the assembled CPU support ethernet.
For more information about the RTC please see the datasheet of MCP79511.
3.3
XGA Display
The board has an XGA Display with a resolution of 320x240. The display has an ILI9341
display controller. Please see the datasheet of the display controller for the register of
the controller. The display is connected to the the microcontroller via an SPI to Parallel
converter (U201).
The SPI to Parallel converter is based on a statemachine. This state machine is clocked
with the clock of SPI, here SCLK0 (P20.11). Each rising edge of P20.11 will change the
state of statemachine. When SLSO08 (P20.6) is not low then the state machine will go
always in the idle state with a valid clock edge.
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