Nintendo Switch Brew

Testpads: Difference between revisions

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Cluster C pad 11 is a 1v8 power rail
(18 intermediate revisions by 4 users not shown)
Line 17: Line 17:
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 1 || Batt GND? || || || ||
| 1 || Batt GND? || || || || ||
|-
|-
| 2 || Battery pulse? || Pulse train || 0-3.3V || L-5? || ||
| 2 || Battery pulse? || Pulse train || 0-3.3V || L-5? || ||
|-
|-
| 3 || Battery Vdd || || || ||
| 3 || Battery Vdd || || || || ||
|-
|-
| 4 || ?? || Square wave || 0-3.3V || || 329kHz? (undersampled?) || Square wave when screen on, but looks like vias to Speaker R
| 4 || ?? || Square wave || 0-3.3V || || 329kHz? (undersampled?) || Square wave when screen on, but looks like vias to Speaker R
Line 36: Line 36:
|-
|-
| 10 || USB-PWR-WAVE? || Square wave || 0-3.3V || K-4, K-5? || ~11 Hz ||  
| 10 || USB-PWR-WAVE? || Square wave || 0-3.3V || K-4, K-5? || ~11 Hz ||  
|}
=== Cluster B ===
{| class=wikitable
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
| 1 ||  || DBVDD || || || || from ALC5639 pin 43
|-
| 2 || D+ || USB-C || || || || Cluster B - 3
|-
| 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 ||  || || || ||
|}
|}


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! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 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 || || ||  
Line 63: Line 83:
| 10 || ?? || || 0-1.8V || || ||  
| 10 || ?? || || 0-1.8V || || ||  
|-
|-
| 11 || ?? || || 0-1.8V || || ||  
| 11 || +1.8V || || 0-1.8V || || ||  
|}
 
=== Cluster D ===
 
{| class=wikitable
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
| 1 || GND || || || || ||
|-
| 4 || Seaker L + || || || || || Speaker Left +
|-
| 5 || Seaker L - || || || || || Speaker Left -
|}
|}


=== Cluster E ===
=== Cluster E ===


DON'T FUCK WITH CLUSTER E.
{| class=wikitable
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
| 1 || Vol (-)  || || || || || Button Vol (-)
|-
| 10 || Reset || || || || ||
|-
| 11 || Vdd Referance|| || || || ||
|}


=== Cluster G ===


{| class=wikitable
{| class=wikitable
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 10 || Reset || || || ||  
| 2 || GND || || || || ||
|-
| 4 || Vol(+) || || || || || Button Vol (+)
|-
| 5 || Li-Ion Batt Vdd Mirror || || || || || Power Supply
|-
| 9 || BUTTON_HOME || || || || || RCM strap
|}
|}


Line 82: Line 129:
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 1 || GND || || || ||
| 1 || GND || || || || ||
|-
|-
| 2 || Screen_on || On/Off || 0-1.8V || || || Screen power state, active high
| 2 || Screen_on || On/Off || 0-1.8V || || || Screen power state, active high
|-
|-
| 3 || || UART || 0-1.8V || || 1.5MBaud? || needs testing with screen plugged in. Sends string ‘Nintendo Switch’ + some stuff. long string of 00
| 3 || || UART || 0-1.8V || || 1.5MBaud? ||  
|-
|-
| 4 || || UART || 0-1.8V || || 1.5MBaud? || needs testing with screen plugged in. some kind of call/response for pad I-3
| 4 || || UART || 0-1.8V || || 1.5MBaud? ||  
|-
|-
| 5 || || Flow control || 0-1.8V || || || Flow control for pad I-4?
| 5 || || Flow control || 0-1.8V || || || Flow control for pad I-4?
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| 1 || ? || Edge || 0-1.8V || || || Turns on around same time as pad J-3
| 1 || ? || Edge || 0-1.8V || || || Turns on around same time as pad J-3
|-
|-
| 2 || GND || || || ||
| 2 || GND || || || || ||
|-
|-
| 3 || ? || Edge || 0-1.8V || || || Turns on around same time as pad J-1, slightly after
| 3 || ? || Edge || 0-1.8V || || || Turns on around same time as pad J-1, slightly after
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! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
! Pad # || Name || Type || Levels || Continuity || Frequency || Comment
|-
|-
| 1 || GND || || || ||
| 1 || GND || || || || ||
|-
|-
| 2 || Unknown || ?? || 3.3V-0V || None known || N/A? || Falls around same time pad K-7 falls, but immediately. No data observed as of yet.
| 2 || D- || USB-C || || || || Cluster B - 3
|-
|-
| 3 || Unknown || || || || ||
| 3 || D+ || USB-C || || || || Cluster B - 2
|-
|-
| 4 || USB-PWR-WAVE? || Square wave || 0V-3.3V || A-9, A-10? || ~11 Hz ||
| 4 || USB-PWR-WAVE? || Square wave || 0V-3.3V || A-9, A-10? || ~11 Hz ||
Line 132: Line 179:
| 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?
Line 153: Line 200:
|-
|-
| 5 || Battery pulse? ||  || || || <1 Hz || Duty cycle ~0%
| 5 || Battery pulse? ||  || || || <1 Hz || Duty cycle ~0%
|-
| 6 || GND || || || || ||
|}
|}
Retrieved from "https://switchbrew.org/wiki/Testpads"