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| {| class=wikitable | | {| class=wikitable |
| ! Pad # || Name || Type || Levels || Continuity || Frequency || Comment | | ! Pad # || Name || Type || Levels || Continuity || Frequency || Comment |
| + | |- |
| + | | 1 || || DBVDD || || || || from ALC5639 pin 43 |
| |- | | |- |
| | 2 || D+ || USB-C || || || || Cluster B - 3 | | | 2 || D+ || USB-C || || || || Cluster B - 3 |
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| | 3 || D- || USB-C || || || || Cluster B - 2 | | | 3 || D- || USB-C || || || || Cluster B - 2 |
| |- | | |- |
− | | 4 || +3.3V || ?? || || || || from M92T36 | + | | 4 || +3.3V || XRST || || || || from M92T36 pin 4 |
| + | |- |
| + | | 5 || +3.3V || VSVR || || || || from M92T36 pin 6 |
| + | |- |
| + | | 5(b) || VUSB || VB || || || || from M92T36 pin 9 |
| |- | | |- |
− | | 5 || +3.3V || ?? || || || || from M92T36 | + | | 6 || GND || || || || || |
| |} | | |} |
| | | |
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| | 1 || ?? || || 0-1.8V || || || No clue. This is definitely important, we just have no idea how. May need to interface with dock for comms. | | | 1 || ?? || || 0-1.8V || || || No clue. This is definitely important, we just have no idea how. May need to interface with dock for comms. |
| |- | | |- |
− | | 2 || UART-A RX || || 0-1.8V || || || | + | | 2 || UART-A TX || || 0-1.8V || || || |
| |- | | |- |
− | | 3 || UART-A TX || || 0-1.8V || || || | + | | 3 || UART-A RX || || 0-1.8V || || || |
| |- | | |- |
| | 4 || ?? || || 0-1.8V || || || | | | 4 || ?? || || 0-1.8V || || || |
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| | 10 || ?? || || 0-1.8V || || || | | | 10 || ?? || || 0-1.8V || || || |
| |- | | |- |
− | | 11 || ?? || || 0-1.8V || || || | + | | 11 || +1.8V || || 0-1.8V || || || |
| |} | | |} |
| | | |
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| |- | | |- |
| | 10 || Reset || || || || || | | | 10 || Reset || || || || || |
| + | |- |
| + | | 11 || Vdd Referance|| || || || || |
| |} | | |} |
| | | |
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| | 5 || USB-PWR-WAVE? || Square wave || 0V-3.3V || A-9, A-10? || ~11 Hz || Appears to mirror K4. Duty cycle 66.67%. Low on screen lock. Off until first interaction. | | | 5 || USB-PWR-WAVE? || Square wave || 0V-3.3V || A-9, A-10? || ~11 Hz || Appears to mirror K4. Duty cycle 66.67%. Low on screen lock. Off until first interaction. |
| |- | | |- |
− | | 6 || USB-C V+ || Supply power || || || || | + | | 6 || USB-C V+ || Supply power || || || || support fast charger : "normal mode = 5V+" "Fast changer = 12V+" |
| |- | | |- |
| | 7 || Unknown || Power supply? || ~3V-0V || None known || N/A || 0 when usb-c not plugged in, falls slowly on first interaction if USB-C plugged in. Power draw related? | | | 7 || Unknown || Power supply? || ~3V-0V || None known || N/A || 0 when usb-c not plugged in, falls slowly on first interaction if USB-C plugged in. Power draw related? |