DSi XL testpoints

Revision as of 01:44, 10 August 2023 by PoroCYon (talk | contribs) (→‎UTL-SUB-01 testpoints: oops fix stuff)

UTL-CPU-01 testpoints

number name (TWL testpoint) voltage standard comment
TP1 EXTB+ ?
TP2 VIN ~5V DC External charger power input
TP3 Rosc ? ?
TP4 RICHG? ? Recharge?
TP5 GND (GND) ground (near external charger connector)
TP6 V12 1.2V power rail CPU-TWL core voltage
TP7 BT+ battery + at 2-pin power connector to UTL-SUB-01
TP8 VDET- ? ?
TP9 DET ? ?
TP10 V18 1.8V power rail Various I/O and core voltage (incl. RTC)
TP11 ? ? something charging?
TP12 VDD10? 10V power rail For LCDs
TP13 V33 3.3V power rail Various I/O and core voltage
TP14 GND (GND) ground (near PMIC)
TP15 B+ ? battery + ?
TP16 VDD-5? -5V power rail For LCDs
TP17 PVDD ? ?
TP18 VDD5? 5V power rail For LCDs
TP19 ? ? (to R7 or R104)
TP20 BLA1? ? ?
TP21 ? ? (to D6)
TP22 Y-? ? touchscreen
TP23 BLA2? ? ?
(TP24, TP25 don't exist)
TP26 BLC2 ? something backlight?
(TP27 doesn't exist)
TP28 ? ? ? (found no connections. TODO!)
TP29 ? ? ? (found no connections. TODO!)
TP30 SPRP analog positive signal for right built-in speaker
TP31 SPRN analog negative signal for right built-in speaker
TP32 SPLP analog positive signal for left built-in speaker
TP33 SPLN analog negative signal for left built-in speaker
TP34 GND (GND) probably analog ground
TP35 SR analog headphone tip
TP36 SL analog headphone ring
(TP37, TP38 don't exist)
TP39 ORANGE 3V3? Orange LED charging indicator
TP40 BLUE 3V3? Blue LED power good indicator
TP41 RED 3V3? Red LED battery low indicator
TP42 MC1_D7 3V3 MSB of gamecard parallell ROM *or* AUXSPI COPI signal
TP43 MC1_D6 3V3 6th bit of gamecard parallell ROM *or* AUXSPI CIPO signal
TP44 MC1_VCC 3.3V power power supply to gamecard (can be switched off by SoC)
(TP45 doesn't exist)
TP46 MC1_D5 3V3
TP47 MC1_D4 3V3
TP48 MC1_D3 3V3
TP49 MC1_DET 3V3 Cartridge detected in slot (active-low)
TP50 MC1_D2 3V3
TP51 MC1_IREQ 3V3 gamecart->SoC IRQ
TP52 MC1_D1 3V3
TP53 MC1_RES 3V3 SoC->gamecart reset signal
TP54 MC1_D0 3V3
TP55 MC1_CS 3V3 parallell ROM select (active-low)
TP56 MC1_CLK 3V3
TP57 MC1_CS2 3V3 AUXSPI select (active-low)
TP58 mRST 3V3 BP-UTL reset (active-low)
TP59 mFE 3V3 BP-UTL flash enable (cf. 78K0/Kx2 Serial Flash Programming protocol, see NEC/Renesas docs)

[more TODO]

UTL-SUB-01 testpoints

number name (TWL testpoint) voltage standard comment
TP1 ? ? to TH1 component
TP2 GND (GND) ground
TP3 P06 3V3? D-pad up
TP4 P04 3V3? D-pad right
TP5 P05 3V3? D-pad left
TP6 P07 3V3? D-pad down
TP7 PWSW ? raw powerbutton input (to PMIC and BPTWL)
TP8 RED open collector (at cathode) Battery low LED (DL1)
TP9 YELLOW open collector (at cathode) WiFi indicator LED (DL4)
TP10 BLUE 3V3? 4V2? (at anode) Power on/good LED (DL2)
TP11 ORANGE 3V3? 4V2? (at anode) Charging indicator (DL3)
TP12 VDD42 4.2V power supply Power supply for TP8/TP10 LEDs