DSiBrew

Changes

DSi XL testpoints (view source)

Revision as of 20:14, 13 August 2023

737 bytes added ,  20:14, 13 August 2023
→‎UTL-CPU-01 testpoints: finished
Line 16: Line 16:  
| TP2
 
| TP2
 
| VIN
 
| VIN
−
| ~5V DC
+
| ≃5V DC
 
| External charger power input
 
| External charger power input
 
|-
 
|-
Line 25: Line 25:  
|-
 
|-
 
| TP4
 
| TP4
−
| RICHG?
+
| RICHG
 
| ?
 
| ?
 
| Recharge?
 
| Recharge?
Line 31: Line 31:  
| TP5
 
| TP5
 
| GND
 
| GND
−
| (GND)
+
| ground
−
| ground (near external charger connector)
+
| (near external charger connector)
 
|-
 
|-
 
| TP6
 
| TP6
−
| V12
+
| VDD12 (aka V12)
 
| 1.2V power rail
 
| 1.2V power rail
 
| CPU-TWL core voltage
 
| CPU-TWL core voltage
Line 55: Line 55:  
|-
 
|-
 
| TP10
 
| TP10
−
| V18
+
| VDD18 (aka V18)
 
| 1.8V power rail
 
| 1.8V power rail
 
| Various I/O and core voltage (incl. RTC)
 
| Various I/O and core voltage (incl. RTC)
Line 65: Line 65:  
|-
 
|-
 
| TP12
 
| TP12
−
| VDD10?
+
| VDD10
 
| 10V power rail
 
| 10V power rail
 
| For LCDs
 
| For LCDs
 
|-
 
|-
 
| TP13
 
| TP13
−
| VDD33
+
| VDD33 (aka V33)
 
| 3.3V power rail
 
| 3.3V power rail
 
| Various I/O and core voltage
 
| Various I/O and core voltage
Line 76: Line 76:  
| TP14
 
| TP14
 
| GND
 
| GND
−
| (GND)
+
| ground
−
| ground (near PMIC)
+
| (near PMIC)
 
|-
 
|-
 
| TP15
 
| TP15
Line 85: Line 85:  
|-
 
|-
 
| TP16
 
| TP16
−
| VDD-5?
+
| VDD-5
 
| -5V power rail
 
| -5V power rail
 
| For LCDs
 
| For LCDs
Line 95: Line 95:  
|-
 
|-
 
| TP18
 
| TP18
−
| VDD5?
+
| VDD5
−
| 5V power rail
+
| 5.0V power rail
 
| For LCDs
 
| For LCDs
 
|-
 
|-
 
| TP19
 
| TP19
 +
| SG?
 
| ?
 
| ?
 
| ?
 
| ?
−
| (to R7 or R104)
   
|-
 
|-
 
| TP20
 
| TP20
Line 110: Line 110:  
|-
 
|-
 
| TP21
 
| TP21
 +
| VDD5?
 
| ?
 
| ?
−
| ?
+
| must be at least one power rail (to D6, C22, D3) (might be VDD42 due to diode voltage drops?)
−
| (to D6)
   
|-
 
|-
 
| TP22
 
| TP22
Line 134: Line 134:  
|-
 
|-
 
| TP28
 
| TP28
−
| ?
+
| MIC-
−
| ?
+
| ground
−
| ? (found no connections. TODO!)
+
| same net as (analog) ground
 
|-
 
|-
 
| TP29
 
| TP29
−
| ?
+
| MIC+
−
| ?
+
| analog
−
| ? (found no connections. TODO!)
+
| Analog microphone-in signal
 
|-
 
|-
 
| TP30
 
| TP30
Line 165: Line 165:  
| TP34
 
| TP34
 
| GND
 
| GND
−
| (GND)
+
| ground
 
| probably analog ground
 
| probably analog ground
 
|-
 
|-
Line 275: Line 275:  
| mRST
 
| mRST
 
| 3V3
 
| 3V3
−
| BP-UTL reset (active-low)
+
| BPTWL reset (active-low)
 
|-
 
|-
 
| TP59
 
| TP59
 
| mFE
 
| mFE
 
| 3V3
 
| 3V3
−
| BP-UTL flash enable (cf. 78K0/Kx2 Serial Flash Programming protocol, see NEC/Renesas docs)
+
| BPTWL flash enable (cf. 78K0/Kx2 Serial Flash Programming protocol, see NEC/Renesas docs)
 
|-
 
|-
 
| TP60
 
| TP60
 
| VOLP
 
| VOLP
 
| 3V3
 
| 3V3
−
| volume + button (also RxD6 for 78K0 SFP)
+
| volume + button (also RxD6 for 78K0 SFP. There's a series resistor to the physical button as protection against shorts)
 
|-
 
|-
 
| TP61
 
| TP61
 
| VOLN
 
| VOLN
 
| 3V3
 
| 3V3
−
| volume - button (also TxD6 for 78K0 SFP)
+
| volume - button (also TxD6 for 78K0 SFP. There's a series resistor to the physical button as protection against shorts)
 
|-
 
|-
 
| TP62
 
| TP62
Line 357: Line 357:  
| SCL
 
| SCL
 
| 1V8
 
| 1V8
−
| TWL bus
+
| CPU-TWL bus
 
|-
 
|-
 
! scope="row" colspan="4" | (TP81 doesn't exist)
 
! scope="row" colspan="4" | (TP81 doesn't exist)
Line 364: Line 364:  
| SDA
 
| SDA
 
| 1V8
 
| 1V8
−
| TWL bus
+
| CPU-TWL bus
 
|-
 
|-
 
| TP83
 
| TP83
Line 422: Line 422:  
|-
 
|-
 
| TP94
 
| TP94
−
| maybe GPIO330?
+
| GPIO330?
−
| 3V3?
+
| 3V3
−
| ?
+
| GPIO debug testpoint
 
|-
 
|-
 
| TP95
 
| TP95
Line 469: Line 469:  
|-
 
|-
 
| TP104
 
| TP104
−
| ? (maybe nIRQ_O)
+
| nIRQ_O?
−
| 3V3?
+
| 3V3
−
| (nIRQ_O is the "powerbutton pressed" signal from the BPTWL to the CPU-TWL SoC. aka GPIO332)
+
| "powerbutton pressed" signal from the BPTWL to the CPU-TWL. aka GPIO332
 
|-
 
|-
 
| TP105
 
| TP105
Line 634: Line 634:  
|-
 
|-
 
| TP137
 
| TP137
−
| ?
+
| COM2
 
| ?
 
| ?
 
| ?
 
| ?
Line 659: Line 659:  
|-
 
|-
 
| TP142
 
| TP142
−
| VDD5 or VSHD
+
| INI
−
| 5.0V power rail
+
| ?
−
| VDD5 and VSHD are the same net
+
| LCD controller ?
 
|-
 
|-
 
| TP143
 
| TP143
Line 669: Line 669:  
|-
 
|-
 
| TP144
 
| TP144
−
| VDD5 or VSHD
+
| GCK
−
| 5.0V power rail
+
| ?
−
| VDD5 and VSHD are the same net
+
| LCD controller ?
 
|-
 
|-
 
| TP145
 
| TP145
Line 700: Line 700:  
| TP150
 
| TP150
 
| COM1
 
| COM1
−
|  
+
| ?
−
|  
+
| ?
 
|-
 
|-
 
! scope="row" colspan="4" | (TP151 doesn't exist)
 
! scope="row" colspan="4" | (TP151 doesn't exist)
Line 798: Line 798:  
|-
 
|-
 
| TP171
 
| TP171
−
| ?
+
| RTC_INT
−
| ?
+
| 1V8?
−
| ?
+
| RTC->CPU-TWL interrupt
 
|-
 
|-
 
| TP172
 
| TP172
Line 853: Line 853:  
| 3.3V power rail
 
| 3.3V power rail
 
| same net as VDD33
 
| same net as VDD33
 +
|-
 +
| TP183
 +
| AOUT
 +
|
 +
| charging/battery status ?
 +
|-
 +
| TP184
 +
| ADPO
 +
|
 +
| charging/battery status ?
 +
|-
 +
| TP185
 +
| SCL1
 +
| 3V3
 +
| BPTWL bus
 +
|-
 +
| TP186
 +
| SDA1
 +
| 3V3
 +
| BPTWL bus
 +
|-
 +
| TP187
 +
| 1V8? 3V3?
 +
|
 +
| I2S bus
 +
|-
 +
| TP188
 +
| 1V8? 3V3?
 +
|
 +
| I2S bus
 +
|-
 +
| TP189
 +
| 1V8? 3V3?
 +
|
 +
| I2S bus
 +
|-
 +
| TP190
 +
| 1V8? 3V3?
 +
|
 +
| I2S bus
 +
|-
 +
| TP191
 +
| 1V8? 3V3?
 +
|
 +
| I2S bus
 +
|-
 +
| TP192
 +
| PWSWO
 +
| 3V3?
 +
| powerbutton "output" from PMIC to BPTWL?
 +
|-
 +
| TP193
 +
| TH
 +
| ?
 +
| something battery charger?
 +
|-
 +
| TP194
 +
| VSHD
 +
| 5.0V power rail
 +
| Same net as VDD5. For LCDs.
 
|}
 
|}
−
  −
[more TODO]
      
== UTL-SUB-01 testpoints ==
 
== UTL-SUB-01 testpoints ==
PoroCYon
76

edits

Retrieved from "https://dsibrew.org/wiki/Special:MobileDiff/2099875"