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  1. Xilinx Zynq XC7Z SoC, U5
  2. 4 Gbit DDR3/L SDRAM, U13
  3. 4 Gbit DDR3/L SDRAM, U12
  4. Low-power RTC with battery backed SRAM, U20
  5. 32 MByte Quad SPI Flash memory, U7
  6. Red LED (LED1), D5
  7. Green LED (LED2), D2
  8. System Controller CPLD, U19
  9. eMMC NAND Flash, U15
  10. 4A high-efficiency PowerSoC DC-DC step-down Converter converter (1V), U1
  11. Green LED (DONE), D4
  12. B2B connector Samtec Razor Beam™ LSHM-130, JM3
  13. B2B connector Samtec Razor Beam™ LSHM-150, JM1
  14. B2B connector Samtec Razor Beam™ LSHM-150, JM2
  15. Hi-speed USB 2.0 ULPI transceiver, U18
  16. Gigabit Ethernet (GbE) transceiver, U8
  17. Low-power programmable oscillator @ 52.000000 MHz (OTG-RCLK), U14
  18. Low-power programmable oscillator @ 33.333333 MHz (PS-CLK), U6
  19. Low-dropout regulator (VBATT), U24
  20. DDR termination regulator, U4
  21. 1.5A PowerSoC DC-DC step-down converter with integrated inductor (1.5V), U2
  22. Atmel CryptoAuthentication chip, U10
  23. 2Kbit UNI/O® serial EEPROM with EUI-48™ node identity, U17
  24. Low-power programmable oscillator @ 25.000000 MHz (ETH-CLK), U9
  25. 1.5A PowerSoC DC-DC step-down converter with integrated inductor (1.8V), U3
  26. 3A PFET load switch with configurable slew rate (3.3V), Q1

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By default the TE-0720 supports QSPI and SD Card boot modes which is controlled by the MODE input signal from the B2B JM1 connector.

MODE Signal State

Boot Mode

High or open

SD Card

Low or connected to the ground

QSPI

Table 14: Boot modes.

Signals, Interfaces and Pins

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The ATSHA204A Atmel CryptoAuthenticationTM chip (U10) is connected to the System Controller CPLD pin N14 via single-wire interface providing various security functions and features such as anti-counterfeiting, firmware/media protection, password validation, secure session key exchanging, secure data storage and more. Refer to the product datasheet for more information.

eCompass module

Optionally TE0720 module can be fitted with ultra-compact high-performance eCompass device (LSM303D, U22) featuring 3D accelerometer and 3D magnetometer.

Oscillators

SourceSignalFrequencyDestinationPin NameNotes
U6

PS-CLK

33.333333 MHz

U5

PS_CLK_500

Zynq SoC PS subsystem main clock.

U14

OTG-RCLK

52.000000 MHz

U18

REFCLK

USB3320C PHY reference clock.

U9ETH-CLK25.000000 MHzU8XTAL_IN88E1512 PHY reference clock.

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