Hardware/Testpoints

From WiiUBrew
Jump to navigation Jump to search

General

The Wii U motherboard exposes several test points, primarily on the bottom of the motherboard (CPU heatsink facing down).

EXI0

  • TP100 - MOSI (Device in, Wii U out. Next to 176.) (impedance: 40ohm)
  • TP101 - CLK (impedance: 40ohm)
  • TP102 - CS (impedance: high)
  • TP176 - MISO (Device out, Wii U in) (impedance: 476ohm)

DEBUG

These pins are set to various 8-bit values to indicate the current stage of boot0.

  • TP50 - DEBUG0
  • TP51 - DEBUG1
  • TP52 - DEBUG2
  • TP53 - DEBUG3
  • TP55 - DEBUG4
  • TP54 - DEBUG5
  • TP48 - DEBUG6
  • TP49 - DEBUG7

Disc Drive

  • TP2 - Disc drive 3.3V rail
  • TP3 - Disc drive 5V rail
  • TP4 - Disc drive 12V rail
  • TP5 - Disc eject (pulse high for eject)
  • TP18 - Disc presence sensor (receiver)
  • TP19 - Disc presence sensor (emitter)
  • TP76 - Disc inserted (active low)
  • TP114 - Disc drive 3.3V always-on rail

Misc/Unk

  • TP1 - wire goes all the way down near RTC? Also connects to SoC.
  • TP6 - To video chip and SoC
  • TP7 - Fan Pin3
  • TP8 - U13 pin4
  • TP9 - Fake Power Button (active low/pullup, pressed=0.0v, not pressed=3.3v), connected to SMC Pin33 and RTC. Eject button will also pulse this low.
  • TP10 - To video chip (and elsewhere?)
  • TP11 - Direct to SoC, no other connections. (impedance: 0.6ohm)
  • TP12 - Direct to SoC, no other connections. (impedance: 20ohm, measures: 1V?)
  • TP13 - Direct to SoC, no other connections. (impedance: high)
  • TP14 - Direct to SoC, no other connections. (impedance: high)
  • TP15 - Connects to SMC Pin18, regulator-related?
  • TP16 - Connects to SMC Pin29, regulator-related?
  • TP20 - Direct to SoC, no other connections. (impedance: 1Megohm)
  • TP21 - SDCard CLK (Pin5)
  • TP22 - SDCard CMD (Pin2)
  • TP23 - SDCard DAT0 (Pin7)
  • TP24 - SDCard DAT1 (Pin8)
  • TP25 - SDCard DAT2 (Pin9)
  • TP26 - SDCard CD/DAT3 (Pin1)
  • TP27 - SDCard CD1
  • TP28 - SDCard WP2
  • TP29 - SDCard VDD
  • TP30 - SDCard GND
  • TP31 - Composite related?
  • TP32 - Composite related?
  • TP33 - Composite related?
  • TP34 - Connects to RAM module?
  • TP35 - Connects to RAM module?
  • TP36 - Connects to RAM module?
  • TP37 - Connects to SMC Pin27, regulator-related?
  • TP38 - Connects to SMC Pin17, regulator-related?
  • TP39 - Connects to SMC Pin20, front USB enable
  • TP56 - Direct to SoC, no other connections. (impedance: high)
  • TP57 - Direct to SoC, no other connections. (impedance: high)
  • TP58 - Connects to RAM module?
  • TP59 - Connects to RAM module?
  • TP60 - Connects to RAM module?
  • TP61 - Connects to RAM module?
  • TP62 - Connects to RAM module?
  • TP64 - To U1014 (comparator?) pin12
  • TP65 - TP2003
  • TP66 - LED_R, TP2000
  • TP67 - to front faceplate
  • TP68 - to front faceplate, not connected to any buttons. When pulled low while powered off, power LED turns orange and eject button is not responsive?
  • TP69 - Direct to SoC, no other connections. On WUP-DEV-X9, it resides near the second drive connector and is connected to the Classic Controller board (with an MCU between it?). (impedance: high, measures: 3.3v)
  • TP70 - TP2002
  • TP73 - backup battery 3v3?
  • TP78 - Fan Pin1
  • TP80 - SMC Pin15, rear USB enable
  • TP83 - Direct to video chip.
  • TP84 - To HDMI connector?
  • TP86 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 1.036v
  • TP87 - Direct to SoC, no other connections. Lots of capacitors? Reference voltage? 0.753v
  • TP88 - SMC Pin35, connected to TP152, backup battery related? Optical power enable?
  • TP95 - SMC Pin22, front USB power fault
  • TP99 - Direct to DRH, no other connections.
  • TP109 - SMC Pin16, rear USB fault
  • TP110 - Wire goes past video chip away from SoC.
  • TP111 - To HDMI connector?
  • TP115 - 15V DC plug positive
  • TP116 - 15V DC plug positive
  • TP117 - 15V DC plug negative (0V)
  • TP118 - 15V DC plug negative (0V)
  • TP120 - 15V power rail B
  • TP122 - Always-on 3v3 power rail
  • TP123 - 1.5v power rail B
  • TP125 - ARM/IOP PGOOD
  • TP126 - ARM/IOP LV5065 TD1/TD2?
  • TP127 - ARM/IOP power rail? 1.0v
  • TP128 - ARM/IOP GND
  • TP129 - ??? power rail, 1.0v
  • TP130 - ??? GND
  • TP132 - to comparators?
  • TP135 - 5v power rail A
  • TP136 - 12v power rail
  • TP137 - 3v3 power rail B ref GND
  • TP138 - 3v3 power rail B
  • TP139 - 3v3 power rail, not on while Wii U on
  • TP141 - Connected to RTC. Pulled up by Q1080?
  • TP142 - ??? power rail
  • TP144 - Reset? Or functions like one when pulled down by a 3.3Kohm resistor.
  • TP145 - Connection between RTC and SMC, SMC nRST, sensitive to measurement (power LED reverts to red, but SoC continues running)
  • TP146 - SMC Pin1, to RTC and Bluetooth
  • TP147 - Connected to RTC and pin4 of U1041 (Comparator in?)
  • TP148 - Connected to RTC and Q1093 gate. Makes its way to U1041 Pin13 (Comparator ?). When pulled low by 3.3kohm resistor, front LED blinks red until 15V unplug+replug.
  • TP149 - Connected to LV5066 pin2 (EN) and RTC. Regulators enable? Pulldown resistor?
  • TP151 - Connected to transistor output, goes to SoC
  • TP152 - SMC Pin35, connected to TP88. Optical power enable?
  • TP153 - SMC I2C SCL
  • TP154 - SMC I2C SDA?
  • TP155 - Connected to SMC Pin14, and SoC(?)
  • TP156 - Connected to SMC Pin23, to Mitsumi/vWii module?
  • TP157 - Connected to SMC Pin19, to closer WiFi module?
  • TP158 - 1.5v power rail A
  • TP160 - GND
  • TP161 - GND
  • TP162 - 1.5v power rail A ref GND
  • TP163 - 12v power rail ref GND
  • TP164 - Always-on 3v3 ref GND
  • TP165 - 15V power rail B ref GND
  • TP166 - 5v power rail A ref GND
  • TP166 - 1.5v power rail B ref GND
  • TP168 - 3v3 power rail C
  • TP169 - 3v3 power rail C ref GND
  • TP170 - Eject Button (active low/pullup, pressed=0.0v, not pressed=3.3v)
  • TP171 - Connects to SMC Pin28, to faceplate? Disc present?
  • TP172 - Connects to SMC Pin36, to Mitsumi/vWii module?
  • TP173 - Connects to SMC Pin37, 5GHz Wifi idk
  • TP174 - Connects to SMC Pin38, 2.4GHz Wifi idk
  • TP175 - Connected to RTC and SMC, pulses between 3.3v and 0v at 1Hz
  • TP179 - Direct to DRH, pullup resistor?
  • TP187 - LV5064 pin21 (and more?)
  • TP191 - Direct to SoC, no other connections. Nearby Espresso JTAG vias.
  • TP1000 - Direct to SoC, no other connections. (impedance: 40ohm)
  • TP1001 - Direct to SoC, no other connections. (impedance: 40ohm)
  • TP1002 - Direct to SoC, no other connections. (impedance: 40ohm)
  • TP1003 - Direct to SoC, no other connections. (impedance: 40ohm)
  • TP1004 - LV5064 pin10, temp sensing? direct to SoC
  • TP1005 - LV5064 pin11, temp sensing? direct to SoC
  • TP1006 - LV5064 pin12, temp sensing? direct to SoC
  • TP1007 - LV5064 pin13, temp sensing? direct to SoC
  • TP1008 - LV5064 pin14, temp sensing? direct to SoC
  • TP1010 - LV5064 pin9, temp sensing? direct to SoC
  • TP2000 - LED_R, to SMC Pin40, PWM at 100Hz?
  • TP2001 - LED_Y, to faceplate
  • TP2002 - Power Button (active low/pullup, pressed=0.0v, not pressed=3.3v)
  • TP2003 - To some transistor gate?
  • TP2004 - GND
  • TP3000 - Only seen on WUP-DEV-X9, near DRAM
  • TP3001 - Only seen on WUP-DEV-X9, near DRAM
  • TP3002 - Only seen on WUP-DEV-X9, near DRAM
  • TP3003 - Only seen on WUP-DEV-X9, near DRAM
  • TP3004 - Only seen on WUP-DEV-X9, near DRAM
  • TP3005 - Only seen on WUP-DEV-X9, near DRAM
  • TP3006 - Only seen on WUP-DEV-X9, near DRAM
  • TP3007 - Only seen on WUP-DEV-X9
  • TP3008 - Only seen on WUP-DEV-X9
  • TP3009 - Only seen on WUP-DEV-X9
  • TP3010 - Only seen on WUP-DEV-X9
  • TP3011 - Only seen on WUP-DEV-X9
  • TP3012 - Only seen on WUP-DEV-X9
  • TP3013 - Only seen on WUP-DEV-X9
  • TP3020 - Only seen on WUP-DEV-X9, emerges from under left WiFi card.
  • TP3021 - Only seen on WUP-DEV-X9, emerges from under left WiFi card.
  • TP3022 - Only seen on WUP-DEV-X9
  • TP4000 - Direct to SoC, no other connections. Not present on WUP-DEV-X9. (impedance: 40ohm, measures: 0v)
  • TP4001 - Direct to SoC, no other connections. Not present on WUP-DEV-X9. (impedance: high, measures: 3.3v)
  • TP4002 - Direct to SoC, no other connections. Not present on WUP-DEV-X9. (impedance: 40ohm, measures: 0v)
  • TP4003 - Direct to SoC, no other connections. Not present on WUP-DEV-X9. (impedance: high, measures: 3.3v)

Removed/Dev Testpoints

Some testpoints can be seen on the WUP-DEV-X9 and CAT-HDD-X5 daughterboard which fit into numeric gaps in WUP-01's testpoints. There are some discrepancies/overlaps in CAT-HDD-X5 testpoints, however.

  • TP43 - present on CAT-HDD-X5, EXI_INT
  • TP45 - present on CAT-HDD-X5, EXI_CS
  • TP47 - present on CAT-HDD-X5, EXI_CLK
  • TP48 - present on CAT-HDD-X5, EXI_DO
  • TP50 - present on CAT-HDD-X5, EXI_DI
  • TP53 - present on CAT-HDD-X5, no label
  • TP55 - present on CAT-HDD-X5, no label
  • TP57 - present on CAT-HDD-X5, no label
  • TP58 - present on CAT-HDD-X5, V_IN
  • TP62 - present on CAT-HDD-X5, V_5.0
  • TP68 - present on CAT-HDD-X5, V_1.2
  • TP72 - present on CAT-HDD-X5, V_2.5
  • TP74 - present on CAT-HDD-X5, V_3.3
  • TP1001 - present on CAT-HDD-X5, SEL_CS
  • TP1002 - present on CAT-HDD-X5, SEL_WP
  • TP1003 - present on CAT-HDD-X5, SDIO_D3
  • TP1004 - present on CAT-HDD-X5, SDIO_D2
  • TP1005 - present on CAT-HDD-X5, SDIO_D1
  • TP1006 - present on CAT-HDD-X5, SDIO_D0
  • TP1007 - present on CAT-HDD-X5, SDIOCMD
  • TP1008 - present on CAT-HDD-X5, SDIOCLK
  • TP1009 - present on CAT-HDD-X5, POWER_SW
  • TP1010 - present on CAT-HDD-X5, FPOFF_SRQ
  • TP1011 - present on CAT-HDD-X5, DCDC_OFF
  • TP1012 - present on CAT-HDD-X5, VDD_RSTOUT
  • TP1013 - present on CAT-HDD-X5, VDD1
  • TP1014 - present on CAT-HDD-X5, VDD2