TMS320F28035PAGS Detailed explanation of pin function specifications and circuit principle instructions

The TMS320F28035PAGS is part of the Texas Instruments (TI) family of microcontrollers. It belongs to the C2000 series, which is known for its real-time control applications, especially in embedded systems for industrial, automotive, and energy control.

This specific model TMS320F28035PAGS uses the LQFP (Low-profile Quad Flat Package) packaging type, with 100 pins.

Here is a detailed breakdown of its pin function specifications and circuit principle instructions, followed by a 20-question FAQ with detailed answers. All information will be in English as per your request.

Pin Function Specifications

The TMS320F28035PAGS has 100 pins, and each pin is assigned a specific function that can be used for digital I/O, Power supply, analog inputs, communication protocols, etc.

Pin Number Pin Name Function 1 VDD Power supply pin, connects to a 3.3V or 5V source. 2 VSS Ground pin, connects to system ground. 3 X1 Crystal oscillator input for external crystal clock input. 4 X2 Crystal oscillator output for external crystal clock input. 5 GPIO0 General-purpose input/output pin, can be configured as a digital I/O pin. 6 GPIO1 General-purpose input/output pin, can be configured as a digital I/O pin. 7 GPIO2 General-purpose input/output pin, can be configured as a digital I/O pin. 8 GPIO3 General-purpose input/output pin, can be configured as a digital I/O pin. 9 GPIO4 General-purpose input/output pin, can be configured as a digital I/O pin. 10 GPIO5 General-purpose input/output pin, can be configured as a digital I/O pin. 11 GPIO6 General-purpose input/output pin, can be configured as a digital I/O pin. 12 GPIO7 General-purpose input/output pin, can be configured as a digital I/O pin. 13 VDDIO Power supply pin for the I/O pins. 14 GPIO8 General-purpose input/output pin, can be configured as a digital I/O pin. 15 GPIO9 General-purpose input/output pin, can be configured as a digital I/O pin. 16 GPIO10 General-purpose input/output pin, can be configured as a digital I/O pin. 17 GPIO11 General-purpose input/output pin, can be configured as a digital I/O pin. 18 GPIO12 General-purpose input/output pin, can be configured as a digital I/O pin. 19 GPIO13 General-purpose input/output pin, can be configured as a digital I/O pin. 20 GPIO14 General-purpose input/output pin, can be configured as a digital I/O pin. 21 GPIO15 General-purpose input/output pin, can be configured as a digital I/O pin. 22 TDI JTAG test data input. 23 TDO JTAG test data output. 24 TMS JTAG test mode select. 25 TCK JTAG test clock. 26 TRST JTAG test reset. 27 VDD3V3 3.3V supply pin for internal circuits. 28 VSS3V3 Ground for internal circuits. 29 NC No connection, reserved for future use. 30 PWM1 Pulse-width modulation output. 31 PWM2 Pulse-width modulation output. 32 PWM3 Pulse-width modulation output. 33 PWM4 Pulse-width modulation output. 34 PWM5 Pulse-width modulation output. 35 ADC1 Analog-to-digital converter input. 36 ADC2 Analog-to-digital converter input. 37 ADC3 Analog-to-digital converter input. 38 ADC4 Analog-to-digital converter input. 39 VREFH Reference voltage for ADC input. 40 VREFL Reference voltage for ADC input. 41 CANRX CAN bus receive input. 42 CANTX CAN bus transmit output. 43 SPICLK SPI clock signal for serial communication. 44 SPIMISO SPI master-in-slave-out data line. 45 SPIMOSI SPI master-out-slave-in data line. 46 SPICS SPI chip select line. 47 UARTRX UART receive input. 48 UARTTX UART transmit output. 49 I2CSCL I2C clock line for I2C communication. 50 I2CSDA I2C data line for I2C communication. 51 HVD High-voltage differential signal input for motor control. 52 HVC High-voltage differential signal output for motor control. 53 ECAP1 Event capture input for capturing external events. 54 ECAP2 Event capture input for capturing external events. 55 ECAP3 Event capture input for capturing external events. 56 ECAP4 Event capture input for capturing external events. 57 ECAP5 Event capture input for capturing external events. 58 GPIO16 General-purpose input/output pin, can be configured as a digital I/O pin. 59 GPIO17 General-purpose input/output pin, can be configured as a digital I/O pin. 60 GPIO18 General-purpose input/output pin, can be configured as a digital I/O pin. 61 GPIO19 General-purpose input/output pin, can be configured as a digital I/O pin. 62 GPIO20 General-purpose input/output pin, can be configured as a digital I/O pin. 63 GPIO21 General-purpose input/output pin, can be configured as a digital I/O pin. 64 GPIO22 General-purpose input/output pin, can be configured as a digital I/O pin. 65 GPIO23 General-purpose input/output pin, can be configured as a digital I/O pin. 66 GPIO24 General-purpose input/output pin, can be configured as a digital I/O pin. 67 GPIO25 General-purpose input/output pin, can be configured as a digital I/O pin. 68 GPIO26 General-purpose input/output pin, can be configured as a digital I/O pin. 69 GPIO27 General-purpose input/output pin, can be configured as a digital I/O pin. 70 GPIO28 General-purpose input/output pin, can be configured as a digital I/O pin. 71 GPIO29 General-purpose input/output pin, can be configured as a digital I/O pin. 72 GPIO30 General-purpose input/output pin, can be configured as a digital I/O pin. 73 GPIO31 General-purpose input/output pin, can be configured as a digital I/O pin. 74 VSS_ADC Ground pin for the ADC module . 75 VDD_ADC Power supply pin for the ADC module. 76 VDDIO2 Power supply pin for I/O group 2. 77 VSSIO2 Ground pin for I/O group 2. 78 VDDIO3 Power supply pin for I/O group 3. 79 VSSIO3 Ground pin for I/O group 3. 80 TRSTB JTAG test reset, active low. 81 NTRSTB JTAG test reset, active low. 82 VDDIO1 Power supply pin for I/O group 1. 83 VSSIO1 Ground pin for I/O group 1. 84 NC No connection, reserved for future use. 85 GND Ground pin, common reference for all systems. 86 PVD Power down detection input. 87 PFMODE Power-fail mode pin. 88 PFSLEEP Sleep mode pin for power saving. 89 VDD5V 5V supply pin for internal circuits. 90 VSS5V Ground pin for 5V supply. 91 ADC_REF ADC reference voltage. 92 HVD High-voltage differential signal input. 93 HVC High-voltage differential signal output. 94 GND Common ground reference for power. 95 NC No connection. 96 NC No connection. 97 NC No connection. 98 NC No connection. 99 NC No connection. 100 NC No connection.

20 Frequently Asked Questions (FAQs) for TMS320F28035PAGS

1. What is the recommended supply voltage for the TMS320F28035PAGS?

The recommended supply voltage for the TMS320F28035PAGS is 3.3V for operation, with a typical operating range from 3.0V to 3.6V.

2. What are the main communication protocols supported by the TMS320F28035PAGS?

The TMS320F28035PAGS supports SPI, I2C, UART, and CAN communication protocols for serial data exchange.

3. How many general-purpose I/O pins does the TMS320F28035PAGS have?

The TMS320F28035PAGS has 48 general-purpose I/O (GPIO) pins that can be configured as either input or output.

4. What is the maximum clock frequency of the TMS320F28035PAGS?

The maximum clock frequency for the TMS320F28035PAGS is 100 MHz.

5. How many ADC channels are available on the TMS320F28035PAGS?

The TMS320F28035PAGS has a 12-bit ADC with 16 channels available for analog-to-digital conversion.

6. Can I use the TMS320F28035PAGS in motor control applications?

Yes, the TMS320F28035PAGS is designed for real-time control applications and can be used in motor control, digital power, and other embedded applications.

7. Does the TMS320F28035PAGS support JTAG debugging?

Yes, the TMS320F28035PAGS supports JTAG for debugging, testing, and programming.

8. What is the power consumption of the TMS320F28035PAGS?

The TMS320F28035PAGS operates with a typical power consumption of about 50 mA under normal operating conditions, depending on the clock speed and peripherals in use.

9. What is the flash memory size of the TMS320F28035PAGS?

The TMS320F28035PAGS contains 128 KB of Flash memory for program storage.

10. Can the TMS320F28035PAGS be used for automotive applications?

Yes, the TMS320F28035PAGS is suitable for automotive applications, especially in areas requiring real-time control, such as motor control, sensors, and energy management.

11. How many PWM outputs are available on the TMS320F28035PAGS?

The TMS320F28035PAGS provides up to 6 PWM outputs for motor control and other time-sensitive applications.

12. Does the TMS320F28035PAGS have a built-in watchdog timer?

Yes, the TMS320F28035PAGS includes a watchdog timer that can be used to reset the microcontroller in case of a system fault.

13. What is the maximum operating temperature range for the TMS320F28035PAGS?

The TMS320F28035PAGS can operate in a temperature range of -40°C to 125°C, making it suitable for industrial environments.

14. How can I reduce the power consumption of the TMS320F28035PAGS?

Power consumption can be reduced by utilizing the low-power modes of the TMS320F28035PAGS, such as sleep mode, and by turning off unused peripherals.

15. What development tools are available for the TMS320F28035PAGS?

The TMS320F28035PAGS is supported by Texas Instruments' Code Composer Studio and other development tools like LabVIEW and MATLAB for embedded system development.

16. Can I use external memory with the TMS320F28035PAGS?

Yes, the TMS320F28035PAGS supports external memory connections via the SPI or I2C interface s for additional storage.

17. How many timers are available on the TMS320F28035PAGS?

The TMS320F28035PAGS includes 6 timers, which can be used for various timing and counting applications.

18. What is the input voltage range for the ADC on the TMS320F28035PAGS?

The TMS320F28035PAGS ADC has an input voltage range that depends on the reference voltage, typically ranging from 0V to the reference voltage.

19. How does the TMS320F28035PAGS handle analog-to-digital conversion?

The TMS320F28035PAGS utilizes a 12-bit ADC with fast sampling rates and supports simultaneous sampling of multiple channels.

20. Can I use the TMS320F28035PAGS for communication over long distances?

Yes, the TMS320F28035PAGS supports CAN and UART protocols, both of which are capable of handling communication over relatively long distances.