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Teensy 4.1開發板(密鑰款)

Teensy 4.1開發板(密鑰款)


2023-04-30T15:00:00.000+00:00截止 全店,全民共享普發現金 滿三千送50 滿六千送100

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數量 組合數量
一次最大商品購買數量限制為 99999



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Code Security

Program Memory Protection
Code security protects your program code from unauthorized access and coping. When compiling, your program is encrypted. When run, the IMXRT Bus Encryption Engine provides on-the-fly decryption as your program executes. If an attacker removes and reads the flash memory chip from Teensy 4.1, or attempt to capture the USB communication from Teensy Loader, or copies the EHEX file Teensy Loader opens, they get only an encrypted copy of your program.

Secure Firmware Update
Users can be given an EHEX file and Teensy Loader to securely update commercial products or secure applications which embed a Lockable Teensy, without gaining access to the original program code. Of course the key already in its fuse memory and secure mode locked when the product is shipped.
Permanent Secure Mode
Brand new Teensy 4.1 can only run unencrypted programs. Once a key is written into fuse memory, either encrypted or unencrypted programs can run. Secure mode permanently disables the ability to run unencrypted code, and activates hardware security features.

Lockable Teensy - White Lock Stamp

Lockable Teensy
Secure mode can only be activated on Lockable Teensy. While Standard and Lockable Teensy are identical hardware, the permanent fuse configuation differs. Standard Teensy does not allow changes to fuses affecting boot or other critical configuration. Standard Teensy is meant to safe from "bricking" by programs which could write to fuse memory, but this safety means secure mode can not be activated. Standard Teensy can have a key written and can run encrypted code, but encryption alone is not fully secure. Only Lockable Teensy provides proper code security, and only when a key is written and secure mode is locked.
The encryption process includes digital signature authentication. In secure mode, this signature is checked before any code can be decrypted.
JTAG Disable
Secure mode permanently disables the JTAG port. To enter programming mode without JTAG, Teensy Loader and the EHEX file automatically utilize a loader utility which is authenticated by your key's digitial signature, and in turn uses secure hash checks to fully authenticate all components of the programming process.
EHEX File Format
Teensyduino packages your encrypted code, metadata, a startup shim, loader utility, digital signatures and other essential details into a single EHEX file. This EHEX may be given to customers or untrusted parties to perform code updates with the convenice of a single file. The EHEX format and encryption details are documented on the code security page
Key Management
To make creating and using your key simple, Teensyduino adds a "Teensy 4 Security" window to the Arduino Tools menu. These functions can also be accessed from a command line utility for use from non-Arduino tools or automated scripts.

Tools > Teensy 4 Security - Create Your Key and Write to Fuse Memory

Teensy 4.1是熱門開發平台的最新版本,該平台具有600MHz的ARM Cortex-M7處理器,NXP iMXRT1062晶片,比4.0大四倍的閃存,可以選擇添加更多內存。Teensy 4.1的大小和形狀與Teensy 3.6相同(2.4英寸x 0.7英寸),並提供更大的I / O功能,包括以太網PHY,SD卡插槽和USB主機接口。此版本的Teensy 4.1最好的部分是它包括已經連接的標題。


    • ARM Cortex-M7 at 600MHz
    • 1024K RAM (512K is tightly coupled)
    • 8 Mbyte Flash (64K reserved for recovery & EEPROM emulation)
    • USB Host Port
    • 2 chips Plus Program Memory
    • 55 Total I/O Pins
    • 3 CAN Bus (1 with CAN FD)
    • 2 I2S Digital Audio
    • 1 S/PDIF Digital Audio
    • 1 SDIO (4 bit) native SD
    • 3 SPI, all with 16 word FIFO
    • 7 Bottom SMT Pad Signals
    • 8 Serial ports
    • 32 general purpose DMA channels
    • 35 PWM pins
    • 42 Breadboard Friendly I/O
    • 18 analog inputs
    • Cryptographic Acceleration
    • Random Number Generator
    • RTC for date/time
    • Programmable FlexIO
    • Pixel Processing Pipeline
    • Peripheral cross triggering
    • 10 / 100 Mbit DP83825 PHY (6 pins)
    • microSD Card Socket
    • Power On/Off management
    • Pre-soldered Male Headers




      • 郵寄掛號 (未滿一千元須加運費60元;會員滿千免運)
      • 順豐速運 (運費100元)
      • 7-11 取貨付款 (運費60元)
      • 7-11 純取貨 (運費60元)
      • 全家 取貨付款 (運費60元)
      • 全家 純取貨 (運費60元)
      • 面交自取


      • 銀行轉帳/ATM(請於7日內匯款完成,才會更新訂單狀態)
      • 信用卡(金額需要滿三千元才能使用)
      • 全家 取貨付款
      • 7-11 取貨付款
      • 面交付款
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