| Website | https://www.pjrc.com/teensy-4-1-released/ |
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| Release date | 2020 May 11 |
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| Product details | |
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| CPU | NXP IMXRT1062DVJ6A ARM Cortex-M7 at 600 MHz with FPU (32 bit float
and 64 bit double precision), DSP instructions. |
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| Coprocessor | |
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| RAM | 1.024 KB RAM (512K tightly coupled) |
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| ROM (Flash) | 7.936 KB Flash |
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| UART | 8 UARTS |
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| SPI | Yes 2 |
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| Wi-Fi | No |
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| Bluetooth® | No |
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| USB Host | Yes 2 usb ports (1 as USB host, 5 pin header with power management) |
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| Ethernet (LAN, RJ45) | Yes Ethernet 10/100 Mbit (6 pin on board header). Teensy 4.1 contains an Ethernet controller and Ethernet PHY chip. |
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| RTC Memory | 16 bytes of memory are located within the RTC. If a coin cell is
connected to VBAT, contents of this memory is preserved while power
is off. This memory is accessed as 32 bit registers LPGPR0-LPGPR3. |
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| External SPIRAM | 16 MB up to PSRAM (QSPI Memory Expansion, ready to solder 1 or 2 chips such as IPS6404LSQ or ESP PSRAM64H on board) |
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| External Flash | 8 MB up to (QSPI Memory Expansion, board ready to solder additional 8MB Flash chip such as 25Q128JVSQ) |
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| ESP-MESH | No |
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| CAN | Yes 3 |
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| GPIO | 55 input/output signal pins (42 are accessible when used with a solderless breadboard) |
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| Hall effect sensor | No |
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| Temperature sensor | Yes A built in temperature sensor allows reading the temperature inside the MCU chip |
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| Touch sensors | No |
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| I²C | Yes 3 |
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| I2S | 2 (I2S/TDM) |
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| ADC | Yes 18 pins total (12 bit, 2 Converters, 4 comparators) |
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| DAC | No |
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| PWM | Yes 31 pins/outputs (3x PWM 32 bit, 32x PWM 16 bit) |
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| SDMMC | Yes 1 SDIO (4 bit) native Micro SD Card |
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| RMT (remote control) | No |
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| LCD Interface | No not dedicated |
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| Camera Interface | No not dedicated |
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| Deep sleep consumption | |
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| Security | |
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| Secure flash | |
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| Cryptography support | Symmetric ciphers and one-way hash can be computed by hardware, but
currently no library support exists to utilize this hardware. |
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| Dimensions | |
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| Height | 0.16 in (4.07 mm) (no extra PSRAM or Flash included) |
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| Width | 0.7 in (17.81 mm) |
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| Length | 2.43 in (61.66 mm) |
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