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{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! PIN # (24 PIN#) !! Meaning !! Notes
! PIN !! Meaning !! Notes
|-
|-
| 1 || Ground || Ground Plane
| GND || Ground || Ground Plane
|-
|-
| 2(7) || Transmit EMC || Used to send commands to EMC. command always <com>:<chk>\r\n
| TX EMC || Transmit EMC || Used to send commands to EMC. command always <com>:<chk>\r\n
|-
|-
| 3(6) || Receive EMC || Used to recv responses from EMC. response always <res>:<chk>\r\n
| RX EMC || Receive EMC || Used to recv responses from EMC. response always <res>:<chk>\r\n
|-
|-
| 4(14) || titania uart1 tx || titania uart1 tx (bootrom: 460800, eap fw, apu: 230400)
| ??? || ??? || Connects to SSD controller IC. Some kind of service/serial port?
|-
|-
| 5(13) || titania uart1 rx || titania uart1 rx (bootrom: 460800, eap fw, apu: 230400)
| ??? || ??? || Connects to SSD controller IC. Some kind of service/serial port?
|-
|-
|}
|}


== 24 Pins ==
== 24 Pins ==
* Major credits to shuffle2 for the complete pinout
{| class="wikitable sortable"
{| class="wikitable sortable"
! PIN # !! Meaning !! Notes
! PIN !! Meaning !! Notes
|-
|-
| 1 || VDD || 5v
| VDD || VDD ||  
|-
|-
| 2 || VDD || 5v
| VDD || VDD ||  
|-
|-
| 3 || GND || Ground Plane
| GND || GND || Ground Plane
|-
|-
| 4 || GND || Ground Plane
| GND || GND || Ground Plane
|-
|-
| 5 || emc gpio a1 || pulling low at emc boot causes emc rom to enter uart shell @ 460800
| ??? || ??? || ???
|-
|-
| 6 || Receive EMC || Used to recv responses from EMC. response always <res>:<chk>\r\n (uart rx emc 115200)
| RX EMC || Receive EMC || Used to recv responses from EMC. response always <res>:<chk>\r\n
|-
|-
| 7 || Transmit EMC || Used to send commands to EMC. command always <com>:<chk>\r\n (uart tx emc 115200)
| TX EMC || Transmit EMC || Used to send commands to EMC. command always <com>:<chk>\r\n
|-
|-
| 8 || 3v3 || goes low when emc resets
| ??? || ??? || ???
|-
|-
| 9 || 0v || 0v
| ??? || ??? || ???
|-
|-
| 10 || GND || Ground Plane
| GND || GND || Ground Plane
|-
|-
| 11 || titania uart0 tx || titania uart0 tx (efc fw: 460800)
| ??? || ??? || ???
|-
|-
| 12 || titania uart0 rx || titania uart0 rx (efc fw: 460800)
| ??? || ??? || ???
|-
|-
| 13 || titania uart1 rx || titania uart1 rx (bootrom: 460800, eap fw, apu: 230400)
| ??? || ??? || ???
|-
|-
| 14 || titania uart1 tx || titania uart1 tx (bootrom: 460800, eap fw, apu: 230400)
| ??? || ??? || ???
|-
|-
| 15 || GND || Ground Plane
| GND || GND || Ground Plane
|-
|-
| 16 || emc gpio c5 || ("GPI SW" (only used if devif_det# active))
| ??? || ??? || ???
|-
|-
| 17 || 0v || 0v
| ??? || ??? || ???
|-
|-
| 18 || 5v || 5v
| ??? || ??? || ???
|-
|-
| 19 || emc gpio a49 || emc gpio a49
| ??? || ??? || ???
|-
|-
| 20 || emc gpio a27 || emc gpio a27. main power switch
| ??? || ??? || ???
|-
|-
| 21 || i2c data || i2c data (i2c_bus_4)
| ??? || ??? || ???
|-
|-
| 22 || i2c clock || (i2c_bus_4)
| ??? || ??? || ???
|-
|-
| 23 || GND || Ground Plane
| GND || GND || Ground Plane
|-
|-
| 24  || emc reset# || emc reset#
| ??? || ??? || ???
|}
|}
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