TMS320-P28027 Olimex Ltd., TMS320-P28027 Datasheet - Page 10

• Manufacturer Part Number: TMS320-P28027
• Description: Microcontroller & Microprocessor Development Tools PROTOTYPE BOARD TMS320F28027
• Manufacturer: Olimex Ltd.

Specifications of TMS320-P28027

• Processor To Be Evaluated: TMS320F28027
• Data Bus Width: 32 bit
• Interface Type: UART, SPI, I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INPUT/OUTPUT
EXTERNAL CONNECTOR DESCRIPTION
PWR:
USB:
RXD and TXD pins of the converter is connected to SCI_A module of TMS320F28027 respective to
GPIO28/SCIRXDA (pin 48) and GPIO29/SCITXDA (pin 1)
UEXT:
The USB is made with USB to serial converter chip FT232RL of FTDI.
Pin #
1
2
1
2
3
4
1
3
Pin #
Pin #
Gives user opportunity to connect VREFHI to external 3.3V power source.
Default state is open.
Signal Name
3.3V
GPIO12/TXDA
Reset button with name RST – connected to TMS320F28027 pin 3 (XRS).
User button with name BUT – connected to TMS320F28027 pin 29
(GPIO0/EPWM1A).
Status LED (green) with name STAT – connected to TMS320F28027 pin 4
(ADCINA6).
Trimmer potentiometer with name AN_TR – connected to TMS320F28027 pin 18
ADCINB7.
Power supply LED (red ) with name PWR – indicates that 3.3V is present.
Signal Name
From 4.5 to 6VAC or from 6 to 9VDC
GND
Signal Name
+5V
USBDM
USBDP
GND
Pin #
2
4
Signal Name
GND
EPWM4B/RXDA
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