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Line 42:
Line 42: + + + + + + + + + + − Line 56:
Line 65: − + − + Line 74:
Line 83: − + Line 82:
Line 91: − + − + + + Line 91:
Line 102: + + + + Line 100:
Line 115: − + + + + + + + Line 158:
Line 179: − +
Cluster C pad 11 is a 1v8 power rail
{| 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
|-
|-
| 3 || D- || USB-C || || || || Cluster B - 2
| 3 || D- || USB-C || || || || Cluster B - 2
|-
| 4 || +3.3V || XRST || || || || from M92T36 pin 4
|-
| 5 || +3.3V || VSVR || || || || from M92T36 pin 6
|-
| 5(b) || VUSB || VB || || || || from M92T36 pin 9
|-
| 6 || GND || || || || ||
|}
|}
=== Cluster C ===
=== Cluster C ===
| 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 || || ||
| 10 || ?? || || 0-1.8V || || ||
| 10 || ?? || || 0-1.8V || || ||
|-
|-
| 11 || ?? || || 0-1.8V || || ||
| 11 || +1.8V || || 0-1.8V || || ||
|}
|}
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 4 || Wire Red || || || || || Speaker left
| 1 || GND || || || || ||
|-
|-
| 5 || Wire Black || || || || || Speaker left
| 4 || Seaker L + || || || || || Speaker Left +
|-
| 5 || Seaker L - || || || || || Speaker Left -
|}
|}
{| class=wikitable
{| class=wikitable
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
| 1 || Vol (-) || || || || || Button Vol (-)
|-
|-
| 10 || Reset || || || || ||
| 10 || Reset || || || || ||
|-
| 11 || Vdd Referance|| || || || ||
|}
|}
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 9 || RCM_EN || || || || || RCM strap to connect GND
| 2 || GND || || || || ||
|-
| 4 || Vol(+) || || || || || Button Vol (+)
|-
| 5 || Li-Ion Batt Vdd Mirror || || || || || Power Supply
|-
| 9 || BUTTON_HOME || || || || || RCM strap
|}
|}
| 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?