Various microprocessor layouts
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Summary1.v
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SectionTeensy 3.1Teensy 3.2Teensy 3.5Teensy 3.6Teensy 4.0Teensy LCTeensy 3.0Section
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3.3v total power185mA250mA250mA250mA120mA155mA3.3v total power
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VIN Input Power3.7-5.5 volts3.7-6 volts3.6-6 volts3.7-5.5 volts?3.7-5.5 volts3.7-5.5 voltsVIN Input Power
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VIN/VUSB power fuse500mA500mA?500mA?350mA500mAVIN/VUSB power fuse
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Internal reference voltage1.2v1.2vNot available?Not avaiable1.2vInternal reference voltage
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USB plugUSB 2 micro female (12 MB/second)USB 2 micro female (12 MB/second)USB 2 micro female (480 MB/second)USB 2 micro female (12 MB/second)USB 2 micro female (12 MB/s)USB plug
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Microprocessor typeArm Cortex-M4Arm Cortex-M4FArm Cortex-M7Arm Cortex-M0Arm Cortex-M4Microprocessor type
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Hardware floating point?NoYes, single precisionYes, double precisionNoNoHardware floating point?
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Total data pins3762402736Total data pins
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Extra hardware unitsCRC, 16-bit SIMDCRC, 16-bit SIMD, Crypto, Random #Pixel, Crypto, Random #, branch predict5v buffer, bit insnsCRC, 16-bit SIMDExtra hardware units
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Specific microprocessorMK20DX256VLH7MK64FX512MK66FX1M0i.MX RT 1062MKL26Z64MK20DX128Specific microprocessor
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Speed48/96 Mhz120 Mhz180 Mhz600Mhz (vary at runtime)48 Mhz48/96 MhzSpeed
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Digital pins tolerant of 5v?YesYesNoNoNoNoDigital pins tolerant of 5v?
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DMA channels16 full DMA16 full DMA32 full DMA324 lightweight DMA4 full DMA + 1 USBDMA channels
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Memory, flash256K Flash512K Flash1M Flash2M (64K reserved)62K Flash128K FlashMemory, flash
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Memory, SDRAM64K SDRAM256K SDRAM (with 1.42b3)256K SDRAM1M SDRAM (512K is tightly coupled). See note #27.8K SDRAM16K SDRAMMemory, SDRAM
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192K SDRAM (before 1.42b3)
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Memory EEPROM2K EEPROM4K EEPROM4K EEPROM1080 bytes simulated128 bytes simulated2K EEPROMMemory EEPROM
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Serial UARTs3 (2 with 8 byte FIFOs)6 (2 with 8 byte FIFOs)6 (2 with 8 byte FIFOs)7 (7 with 4 byte FIFO)3 (no FIFO)3 (1 with 8 byte FIFO)Serial UARTs
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CAN UARTs1 (6 message FIFO)123 (1 Can FD)00CAN UARTs
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Touch pins1201101112Touch pins
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Secondary USBnono480 Mbit/secondyes (480 MB/second)nonoSecondary USB
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i2c busses2343 (3 with 4 byte FIFOs)21i2c busses
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i2s busses1 (with 8 word FIFO)11 (4 channel)211 (with 4 word FIFO)i2s busses
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S/PDIF digital audio000100S/PDIF digital audio
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SPI busses1 (with 4 word FIFO)3 (1 with FIFO)3 (1 with FIFO)3 (3 with 16 word FIFO)21 (with 4 word FIFO)SPI busses
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PWM pins122022311010PWM pins
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Digital pins345151402634Digital pins
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Analog pins212725141414Analog pins
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DAT pins12010DAT pins
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4 bit SDIO (SD card reader)0Yes (SD reader on board)pads available underneath Teensy 4.0NoNo4-bit SDIO (SD card reader)
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Hardware timers814?78Hardware timers
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Real time clock w/optional batteryYes, external crystalYes, internal crystalYes, internal crystalNoYes, external crystalReal time clock w/optional battery
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Global definesCORE_TEENSY, __arm__Global defines
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Processor Specific Defines__MK20DX256____MK64FX512____MK66FX1M0____IMXRT1062____MKL26Z64____MK20DX128__Processor Specific Defines
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SectionTeensy 3.1Teensy 3.2Teensy 3.5Teensy 3.6Teensy 4.0Teensy LCTeensy 3.0Section
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Left Side outside through hole pins (with USB port pointing up)Teensy shields, left side
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DigitalAnalogPWMTouch (not on 3.5/4.0)SPII2CSerialI2S/soundCan (not LC, 3.0)EthInt.mAMax digitial input voltageSD cardOtherNotesPinsAudio board for T3.xAudio board for T4.0Prop shield (with motion sensor or LC)Adafruit feather adapterOctoWS2811WIZ820io (ethernet)
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3.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.6LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.23.53.64.03.5, 3.6LCLC3.23.53.64.0LC3.03.5/3.64.03.23.53.64.0LC3.0D.A.
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Ground----GroundGroundGroundGroundGroundGround
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0------Flex PWM1----TouchTouchTouchTouch------CS1MOSI1--RX1RX1RX1RX1RX1RX1CRX2---5mA5v5v3.3v3.3v3.3v3.3vPTB16PTB16AD_B0_03PTB161,2,130--UnusedUnusedUnusedRXPins on side panelUnused
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1------Flex PWM1----TouchTouchTouchTouch------MISO1MISO1--TX1TX1TX1TX1TX1TX1CTX2---PTB17PTB17AD_B0_02PTB171,2,13,261--TX
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2--PWMPWMFlex PWM4----CS/10CS/10CS/10----CSOUT2Int2PTD0PTD0EMC_04PTD015,162--i2c interruptUnusedLed #1, left jack
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3PWMPWMPWMFlex PWM4PWMPWM----Touch----------------SDA2SDA2--------------RX1----TXD0TXD0LRCLK2--CTX0CTX0CTX0RXD1Int3PTA12PTA12EMC_05PTA173--UnusedOLED BNo PWM
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4PWMPWMPWMFlex PWM2PWMPWM----Touch----------------SCL2SCL2--------------TX1----LRCLKLRCLKBCLK2--CRX0CRX0CRX0RXD0Int4PTA13PTA13EMC_06PTA27,264--OLED ADo not useSD card CS
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5PWMPWMPWMFlex PWM2--PWM--MISO1MISO1--MISO1--TX1TX1TX1--TX1TX1IN2Int520mAPTD7PTD7EMC_08PTD7265--Audio EnableFeather digital pinsLed #8, right jackUnused
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6PWMPWMPWMFlex PWM2PWMPWMCS/9CS/9CS/9--CS1CSOUT1DInt65mAPTD4PTD4B0_10PTD415,176--Flash CSFlash CSFlash CSLed #5, right jack
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7--PWMPWMFlex PWM1----MOSI0MOSI0MOSI0--MOSI0MOSI0--SCL0SCL0------RX3RX3RX3RX2RX3RX3OUT1AInt7PTD2PTD2B1_01PTD21,13,167--MOSI (Alt)I2S TX1LED EnableUnusedLed #3, left jack
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8--PWMPWMFlex PWM1----MISO0MISO0MISO0--MISO0MISO0--SDA0SDA0------TX3TX3TX3TX2TX3TX3IN1Int8PTD3PTD3B1_00PTD31,138--UnusedI2S RX1UnusedOLED CLed #4, left jackPower down
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9------Flex PWM2--PWMCS/6CS/6CS/6----CSRX2RX2RX2--RX2RX2BCLKBCLKBCLKOUT1CInt9PTC3PTC3B0_11PTC31,13,169--BCLKUnusedFeather digital pinsUnusedReset
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10------Quad timer1--PWMCS/2CS/2CS/2CS0CS0CSTX2TX2TX2--TX2TX2MQSRInt10PTC4PTC4B0_00PTC41,13,16,2610--SDCSSDCSEthernet SS
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11------Quad timer1----MOSI0MOSI0MOSI0MOSI0MOSI0MOSI0MCLKMCLKMCLKCTX1Int11PTC6PTC6B0_02PTC611--MCLKMOSILED CLK/MOSIMOSIMOSI
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12------Quad timer1----MISO0MISO0MISO0MISO0MISO0MISO0MQSLInt12PTC7PTC7B0_01PTC712--MISOMISOMISOMISOVideo syncMISO
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Not PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot Present3.3vNot Present
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24CTS5CLK5v3.3vPTE26
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25BCLKRXERPTA5
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26SCL2TX1TXD1RXDVPTA1426
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27SCK0RX1RXD0TXENPTA15
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28MOSI0TXD0PTA16
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29PWMTouchBCLKCTX0PTB18
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30PWMTouchLRCLKCRX0PTB19
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31A12CS1RX4PTB10
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32A13SCK1TX4PTB1126
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--
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Right Side outside through hole pins with USB port pointing up)Teensy shields, right side
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DigitalAnalogPWMTouch (not on 3.5/4.x)SPII2CSerialI2S/soundCan (not LC, 3.0)EthInt.mAMax digitial input voltageSD cardOtherNotesPinsAudio board for T3.xAudio board for T4.0Prop shield (with motion sensor or LC)Adafruit feather adapterOctoWS2811WIZ820io (ethernet)
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3.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.6LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.03.23.53.64.0LC3.23.53.64.03.5, 3.6LCLC3.23.53.64.0LC3.03.5/3.64.03.23.53.64.0LC3.0D.A.
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VinVinVinVinVin9----VinVinVinVinVinVin
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AGNDAGNDGroundGroundAGND13----Agnd/GNDGroundAgnd/GNDAgnd/GNDAgnd/GNDAgnd/GND
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3.3v3.3v3.3v3.3v3.3v14----3.3v3.3v3.3v3.3v3.3v3.3v
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23A9PWMPWMPWMFlex PWM4PWMPWMTouchTouchTouchTouchCS/20CS0/20CS0/20----CS--------SCL1--CTS2CTS2CTS2CTS2LCRLKLCRLKLCRLKMCLK1LCRLK------CRX1Int235mA5v5v3.3v3.3v3.3v3.3vPTC2PTC2AD_B1_09PTC28,12,13,15,1623A9LRCLKMCLKUnusedUnusedPins on side panelUnused
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22A8PWMPWMPWMFlex PWM4PWMPWMTouchTouchTouchTouchCS/21CS0/21CS0/21----CS--------SDA1--TXD0TXD0TXD0--TXD0------CTX1Int22PTC1PTC1AD_B1_08PTC18,12,13,1622A8I2S TXUnused
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21A7PWMPWMPWM----PWMCS/22CS0/22 and MOSI1--MOSI1CSRX1RX1RX1RX5RX1RX1BCLK1Int21PTD6PTD6AD_B1_11PTD613,1621A7UnusedBCLK1Bat. Mon.Led #7, right jack
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20A6PWMPWMPWM----PWMCS/23CS0/23 and SCK1--SCK1CSCTS1CTS1CTS1TX5TX3CTS1LRCLK1Int2020mAPTD5PTD5AD_B1_10PTD510,13,15,22.2620A6LRCLK1Feather pinLed #6, right jack
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19A5------Quad timer3----TouchTouchTouchTouchSCL0SCL0SCL0SCL0SCL0SCL0Timer---5mAPTB2PTB2AD_B1_00PTB28,15,1619A5SCL0SCL0SCL0SCL0Pins on side panel
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18A4------Quad timer3----TouchTouchTouchTouchSDA0SDA0SDA0SDA0SDA0SDA0CTS1CTS1CTS1--CTS1TImer---PTB3PTB3AD_B1_01PTB38,1518A4SDA0SDA0SDA0SDA0
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17A3----PWM--PWM--TouchTouchTouchTouchSCL0SCL0SCL0SDA1SCL0SCL0TX4MDC---20mAPTB1PTB1AD_B1_06PTB110,1317A3UnusedUnusedUnusedFeather analog pins
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16A2----PWM--PWM--TouchTouchTouchTouchSDA0SDA0SDA0SCL1SDA0SDA0RX4MDIO---PTB0PTB0AD_B1_07PTB010,1316A2Connect together
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15A1------Quad timer3----TouchTouchTouchTouchCSCS0CS0----CSRX3TXD1TXD1TXD1S/PDIF IN--Int155mAPTC0PTC0AD_B1_03PTC015A1VolumeVolume
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14A0--PWMPWMQuad timer3----SCK0SCK0SCK0--SCK0SCK0CTS3CTS3CTS3TX3--CTS3S/PDIF OUTInt14PTD1PTD1AD_B1_02PTD11514A0SCLK (Alt.)UnusedOLED resetLed #2, left jack
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13---------Quad timer2----SCK0SCK0SCK0SCK0SCK0SCK0RXD0RXD0RXD0--RXD0------CRX1Int13PTC5, LEDPTC5, LEDB0_03, LEDPTC5, LEDLED13--I2S RXSCLKLED Data/SCLKSCLKUnusedSCLK
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Not PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentNot PresentGroundNot Present
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--A22DAC13.3v3.3vA1_SE23
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--A21DAC0A0_SE23
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39A20MOSI0MCLK5vPTA17
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38A19PWMSDA1RXD1PTC11
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37A18PWMSCL1PTC10
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36A17PWMPTC9
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35A16PWMMCLKTXD1PTC8
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34A15SDA0RX5--CRX1PTE25
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33A14SCL0TX5--CTX1PTE24
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