~~NOCACHE~~
===== Operating System =====

{{page>version-matrix}}

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==== Supported Features ====
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^ Feature ^^^^	BSP Revision	^^^^^^^^ Remarks	^
^  TQ Product  ^  Chip  ^  Interface  ^  Function  ^  100  ^  101  ^  102  ^  106  ^  109  ^  115  ^  117  ^  119  ^ ::: ^
| TQMa28 | i.MX28  | CPU   |   |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |i.MX287, i.MX283  |
| ::: | :::  | AUART0  | RS485  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | AUART1  |   |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  | RX/TX, TTL available on X14  |
| ::: | :::  | AUART2  |   |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |not available due to pin multiplexing  |
| ::: | :::  | AUART3  | RS232  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | RX/TX/RTS/CTS, TTL available on X14  |
| ::: | :::  | AUART4  |   |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  | RX/TX/RTS/CTS, TTL available on X10  |
| ::: | :::  | CAN0  | CAN 2.0B  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |   |
| ::: | :::  | CAN1  | CAN 2.0B  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |   |
| ::: | :::  | DUART  | RS232  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | RX/TX, TTL available on X14  |
| ::: | :::  | EMI  | DDR2 SDRAM  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  |
| ::: | :::  | ENET-MAC0  | 10 Mbps and 100 Mbps Ethernet/IEEE 802.3  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  | BSP Rev. < 0106: Supports internal ethernet clock only\\ BSP Rev. ≥ 0106: Supports external (default) or internal ethernet clock ([[.:faq#linux_errorno_phy_found_or_segmentation_fault_when_ifconfig_up|selectable]])\\ [for background infos cf. [[support@tqs.de?subject=Request Technical Note TQMa28-MBa28|Technical Note TQMa28-MBa28]]]\\ MBa28 Rev. ≥ 0106: Provides 50 MHz crystal oscillator as an external clock source for ethernet  |
| ::: | :::  | :::  | IEEE-1588  |    |    |    |     |     |     |   |
| ::: | :::  | ENET-MAC1  | 10 Mbps and 100 Mbps Ethernet/IEEE 802.3  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | :::  |
| ::: | :::  | :::  | IEEE-1588  |    |    |    |     |     |     |     |    |
| ::: | :::  | HSADC  |   |    |    |    |     |     |   | <wrap hide>see [[..:constraints]]</wrap>  |
| ::: | :::  | I2C0  | Bus access  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |     |
| ::: | :::  | I2C0  | Boot EEPROM (0xA0)  |    |    |    |   •  |  ✔  |  ✔  |  ✔  |  ✔  | TQMa28 Rev. ≥ 0200  |
| ::: | :::  | I2C1  | Bus access  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |     |
| ::: | :::  | I2C1  | LM73  (0x49)   |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |     |
| ::: | :::  | :::  | M24C64 (0x50)  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  | intended for customer use  |
| ::: | :::  | I2C1  | PCA9554D (0x20)  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |     |
| ::: | :::  | :::  | PCA9554D (0x21)  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |     |
| ::: | :::  | :::  | LM73 (0x4A)   |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | :::  | SGTL5000  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | LCDIF  | parallel display  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | FG0700M0DSSWMG01	|
| ::: | :::  | LRADC  | 4/5-wire touch-screen  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |   |
| ::: | :::  | OCOTP  |   |    |    |    |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | SAIF0  | SGTL5000  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | SSP0  | eMMC  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | [[..:..:mba28:dip_switches#boot_medium_selection_s4_s5|boot device]]\\  TQMa28x Rev. ≥ 0202/TQMa28L Rev. ≥ 0103 have eMMC 5.0 devices assembled which are supported with BSP Rev. ≥ 0115\\ <wrap round important>A patch [[https://www.tq-embedded.com/content/download/13122/file/TQ-ARM-BSP-REV.0109_add_eMMC5.0_detection.zip|Linux BSP TQMaxx Rev.0109 - Fix eMMC 5.0 detection]] is available for BSP REV.0109</wrap>  |
| ::: | :::  | SSP1  | SD card  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  | [[..:..:mba28:dip_switches#boot_medium_selection_s4_s5|boot device]]  |
| ::: | :::  | SSP2  | | | | | | | | | | disabled in default pin multiplexing,\\ SS1 & SS2 used for USB overcurrent detection |
| ::: | :::  | SSP3  | | | | | | | | | | disabled in default pin multiplexing  |
| ::: | :::  | SWITCH  | 3-Port Ethernet Switch  |  ✔  |  ○  |  ○  |  ○  |  ○  |  ○  |  ○  |  ○  | <wrap round important>only available in platform tqma28-fsl</wrap>  |
| ::: | :::  | USB0  | Host  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | mass storage, human interface devices  |
| ::: | :::  | :::  | OTG  |  ✔  |  ✔  |  ✔  |   •  |  ○  |  ○  |  ○  |  ○  | MBa28: Host mode only (USB_ID tied to GND)  |
| ::: | :::  | USB1  | Host  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  | mass storage, human interface devices  |
| ::: | LM73  | I2C1  | Temperature sensor  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |   |
| ::: | M24C64  | I2C1  | EEPROM  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| MBa28 | LM73  | | Temperature sensor  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | PCA9554D (0x20)  | GPO  | 8 x Output (X1)  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | PCA9554D (0x21)  | GPI  | 4 x Input (X1)  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | USERLED  | 2 x LED  |  ✔  |  ✔  |  ✔  |   •  |  ✔  |  ✔ |  ✔  |  ✔  |    |
| ::: | SGTL5000  | Audio Codec  | Audio Out  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |  ✔  |    |
| ::: | :::  | :::  | Microphone In  |    |    |    |     |    |    |    |    | <wrap round important>on request</wrap>  |
<wrap round info>Table primarily applies to platform **tqma28**, please see changelog for details on differences to platform **tqma28-fsl**</wrap>
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==== Changelog ====
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{{page>.:changelog&noheader}}