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By looking at the first syscon model used by the PS3 [[CXR713120-201GB]] where we know the names of the pin signals it seems these syscon control lines for voltage regulators could be the syscon pins named SW_x or SW_x_x (switches, used as a generic name for slave components that only has 2 states)
By looking at the first syscon model used by the PS3 [[CXR713120-201GB]] where we know the names of the pin signals it seems these syscon control lines for voltage regulators could be the syscon pins named SW_x or SW_x_x (switches, used as a generic name for slave components that only has 2 states)


==== Mitsumi 463A (STBY) ====
==== Mitsumi 463A (voltage regulator) ====
<div style="float:right">[[File:Mitsumi 463A.jpg|200px|thumb|left|Mitsumi voltage regulator 463A<br />Seen on a JSD-001 motherboard]]</div>
<div style="float:right">[[File:Mitsumi 463A.jpg|200px|thumb|left|Mitsumi voltage regulator 463A<br />Seen on a JSD-001 motherboard]]</div>


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! Pin # !! Name !! Description
! Pin # !! Name !! Description
|-
|-
| 1 || {{cellcolors|#ff0000}} 5V_EVER || Input 5v standby rail, from power supply (pin 1 of connector CN101)
| 1 || 5V_EVER || From power supply 5v standby rail (pin 1 of connector CN101)
|-
|-
| 2 || {{cellcolors|#ffcc22}} 3.3V_EVER_B || Output 3.3v standby rail 2
| 2 || 3.3V_EVER_B || 3.3v_standby_rail_2
|-
|-
| 3 || {{cellcolors|#33cc33|#ffffff}} RST/SYSCON_RST || Goes under package to the black 100 ohm resistor at its right, and from there to syscon pin26@[[SW2-303]]
| 3 || ? || Goes under package to the black 100 ohm resistor at its right, and from there to syscon pin26@[[SW2-303]]
|-
|-
| 4 || ? || Goes under package to squared testpad/sinkhole at its right (not connected ?)
| 4 || ? || Goes under package to squared testpad/sinkhole at its right (not connected ?)
|-
|-
| 5 || {{cellcolors|#ff0000}} VCAP || Capacitor to ground
| 5 || V ? || To a capacitor, and from there to ground
|-
|-
| 6 || ? || To squared testpad/sinkhole at its top (not connected ?)
| 6 || ? || To squared testpad/sinkhole at its top (not connected ?)
|-
|-
| 7 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
| 7 || GND || Ground
|-
|-
| 8 || {{cellcolors|#ffcc22}} 3.3V_EVER_A || Output 3.3v standby rail 1
| 8 || 3.3V_EVER_A || 3.3v_standby_rail_1
|-
|-
|}
|}
{{clear}}
{{clear}}


==== Mitsumi 348A (HDMI) ====
==== Mitsumi 348A (voltage regulator) ====
<div style="float:right">[[File:Mitsumi 348A.jpg|200px|thumb|left|Mitsumi voltage regulator 348A<br />Seen on a JSD-001 motherboard]]</div>
<div style="float:right">[[File:Mitsumi 348A.jpg|200px|thumb|left|Mitsumi voltage regulator 348A<br />Seen on a JSD-001 motherboard]]</div>
*Part No: '''Mitsumi MM3348'''
*Datasheet: https://www.mitsumi.co.jp/latest/Catalog/pdf/regulate_mm_3348_e.pdf


{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
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! Pin # !! Name !! Description
! Pin # !! Name !! Description
|-
|-
| 1 || {{cellcolors|#ddd}} N/C || Not connected
| 1 || ? || Not connected ?
|-
|-
| 2 || {{cellcolors|#33cc33|#ffffff}} HDMI_EN || Connected to [[Template:Syscon_pinout_LQFP_128_pins|SW2-30x]] pin 119<br>Connected to [[HDMI]] [[Connectors#HDMI_Out|connector]] pin 18 (+5V output) through a <abbr title="Labeled AROKE, located next to the HDMI connector, it have a thick copper trace for a voltage of the HDMI connector)>transistor</abbr>
| 2 || ? || Connected to syscon pin119@[[SW2-303]]
|-
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND || Ground (this pin also dissipates heat to the circuit board ground layer)
| 3 || GND || Ground
|-
|-
| 4 || {{cellcolors|#ffcc22}} HDMI_VCC1 / +5V_ANA ? || Connected to [[HDMI]] controller [[MN8647091]] pin 100 (and a lot more pins). It have a testpad at the other board side
| 4 || ? || output voltage rail 1 ?. Connected to pin 100 (and other 10 pins more) of HDMI controller. It has a testpad at the other side
|-
|-
| 5 || {{cellcolors|#ffcc22}} HDMI_VCC2 / +3.3V_ANA ? || Connected to [[HDMI]] controller [[MN8647091]] pin 25 (and a lot more pins). It have a testpad at the other board side
| 5 || ? || output voltage rail 2 for A/V controller and optical ? (not tested). It has a testpad at the other side
|-
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND || Ground (this pin also dissipates heat to the circuit board ground layer)
| 6 || GND || Ground
|-
|-
| 7 || {{cellcolors|#33cc33|#ffffff}} HDMI_EN || Connected to [[Template:Syscon_pinout_LQFP_128_pins|SW2-30x]] pin 119<br>Connected to [[HDMI]] [[Connectors#HDMI_Out|connector]] pin 18 (+5V output) through a <abbr title="Labeled AROKE, located next to the HDMI connector, it have a thick copper trace for a voltage of the HDMI connector)>transistor</abbr>
| 7 || ? || Connected to syscon pin119@[[SW2-303]]
|-
|-
| 8 || {{cellcolors|#ff0000}} 5V_EVER || Connected to [[Power Supply]] control connector (CN101) pin 1
| 8 || 5V_EVER || From power supply 5v standby rail (pin 1 of connector CN101)
|-
|-
|}
|}
{{clear}}
{{clear}}


==== Mitsumi 810X (RSX RAM) ====
==== Mitsumi 040 810X (close to RSX) ====
<div style="float:right">[[File:Mitsumi 810x.jpg|200px|thumb|left|Mitsumi voltage regulator 810x]]</div>
*Part No: '''Mitsumi MM1810XFBE'''
*Datasheet: <abbr title="Missing In Action>M.I.A.</abbr>. Pinout similar than https://www.mitsumi.co.jp/latest/Catalog/pdf/regulate_mm_185x_e.pdf (page 4)


{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
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! Pin # !! Name !! Description
! Pin # !! Name !! Description
|-
|-
| 1 || {{cellcolors|#ffcc22}} RSX_VDDR || connected to a lot of pads of the [[RSX]], it has a testpad at the other board side
| 1 || ? || connected to 4x sinkholes (it has a testpad at the other side)
|-
|-
| 2 || {{cellcolors|#ddd}} N/C || Not connected
| 2 || ? || hidden under package
|-
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND || Ground
| 3 || GND || Ground
|-
|-
| 4 || {{cellcolors|#ff0000}} NOISE_CAP || Noise decrease pin. 0.01μF capacitor to GND, and to a tiny squared testpad
| 4 || ? ||  
|-
|-
| 5 || {{cellcolors|#33cc33|#ffffff}} EN ?/Cont/Control || Connected to syscon pin75@[[SW2-303]]
| 5 || ? || Connected to syscon pin75@[[SW2-303]]
|-
|-
| 6 || {{cellcolors|#ddd}} N/C || Not connected
| 6 || ? || hidden under package
|-
|-
| 7 || {{cellcolors|#ddd}} N/C || Not connected
| 7 || ? || hidden under package
|-
|-
| 8 || {{cellcolors|#ff0000}} VIN || connected to 2x sinkholes
| 8 || ? || connected to 2x sinkholes
|-
|-
|}
|}
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! Pin # !! Name !! Description
! Pin # !! Name !! Description
|-
|-
| 1 || {{cellcolors|#ffcc22}} OUT/NOR ? || capacitor and 180 ohm resistor to ground... then to 4 sinkholes and at the other side NOR VCC 3.3v (testpoint)
| 1 || V_OUT <!-- not official name --> || capacitor and 180 ohm resistor to ground... then to 4 sinkholes and at the other side NOR VCC 3.3v (testpoint)
|-
|-
| 2 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 2 || GROUND ||  
|-
|-
| 3 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 3 || GROUND ||  
|-
|-
| 4 || ? || Capacitor to ground
| 4 || ? || capacitor to ground
|-
|-
| 5 || {{cellcolors|#33cc33|#ffffff}} EN ? || Connected to pin50@[[SW2-303]]. And pin 3 @ Service Connector
| 5 || ? || Dissapears in a sinkhole and emerges near syscon, connected to pin50@[[SW2-303]]
|-
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 6 || GROUND ||  
|-
|-
| 7 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 7 || GROUND ||  
|-
|-{{cellcolors|red}}
| 8 || {{cellcolors|#ff0000}} VCC ? || To fuse/thermistor [[Talk:Protection | TH7601]]
| 8 || V_IN_1 <!-- not official name --> || connected to BD9684 pins 3,8,17
|-
|-
|}
|}


==== BD9684 0906 ====
==== BD9684 0906 ====
<!-- BluRay ? -->


{| border="1" cellspacing="0" cellpadding="5" border="#999" class="wikitable" style="border:1px solid #999; border-collapse: collapse;"  
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|-
|-
| 2 || ? || dissapears under package
| 2 || ? || dissapears under package
|-{{cellcolors|red}}
| 3 || V_? <!-- not official name --> || <!-- connected to the common rail with the previous ones --> 0.400mf capacitor to ground... then to 4 sinkholes... at the other side conneced to fuse/thermistor TH7601
|-
|-
| 3 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
| 4 || ? || to a sinkhole... at the other side 3.3K resistor to ground, then connected to pins 2 and 3 of a dual transistor (base of TR1, and collector of TR2)
|-
| 4 || {{cellcolors|#33cc33|#ffffff}} EN ? || to a sinkhole... at the other side 3.3K resistor to ground, then connected to pins 2 and 3 of a dual transistor (base of TR1, and collector of TR2)<br>pin 5 of the dual transistor (base of TR2) is connected to a long trace that dies in a sinkhole and emerges under syscon, connected to pin42@[[SW2-303]]<br>the emitter pins of the dual transistor (1 and 4) are connected to a common ground
|-
|-
| 5 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 5 || GROUND ||
|-
|-
| 6 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 6 || GROUND ||  
|-
|-
| 7 || || dissapears under package
| 7 || || dissapears under package
|-
|-{{cellcolors|red}}
| 8 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
| 8 || V_? <!-- not official name --> || 0.400mf capacitor to ground... then to the same 4 sinkholes of pin 3
|-
|-
| 9 || ? || dissapears under package
| 9 || ? || dissapears under package
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| 11 || ? || to 6 sinkholes... at the other side to unpopulated service connector... etc...
| 11 || ? || to 6 sinkholes... at the other side to unpopulated service connector... etc...
|-
|-
| 12 || rowspan="2" | ? || rowspan="2" | Capacitor to ground, to a 4x-sinkhole... then to BD controller
| 12 || ? || tied to pin 13... capacitor to ground, to a 4x-sinkhole... then to BD controller
|-
|-
| 13
| 13 || ? || tied to pin 12... capacitor to ground, to a 4x-sinkhole... then to BD controller
|-
|-
| 14 || {{cellcolors|#000000|#aaaaaa}} GND ||  
| 14 || GROUND ||  
|-
|-
| 15 || ? || to a sinkhole... at the other side to BD controller
| 15 || ? || to a sinkhole... at the other side to BD controller
|-
|-
| 16 || ? || dissapears under package
| 16 || ? || dissapears under package
|-
|-{{cellcolors|red}}
| 17 || {{cellcolors|#ff0000}} VCC ? || 0.400mf capacitor to ground, and to fuse/thermistor [[Talk:Protection | TH7601]]
| 17 || V_? <!-- not official name --> || 0.400mf capacitor to ground... then to a sinkhole and tied to pin 3
|-
|-
| 18 || ? || towards blu ray laser connector
| 18 || ? || towards blu ray laser connector
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|}
|}


====Rohm BD3525====
*pin 5 of the dual transistor (base of TR2) is connected to a long trace that dies in a sinkhole and emerges under syscon, connected to pin42@[[SW2-303]]
<!-- SouthBridge ? -->
*the emitter pins of the dual transistor (1 and 4) are connected to a common ground
 
====BD3525====


{| class="wikitable"
{| class="wikitable"
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| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
|-
|-
| 11 || {{cellcolors|#ff0000}} VCC || Power supply || To fuse/thermistor [[Talk:Protection | TH7601]]
| 11 || {{cellcolors|#ff0000}} VCC || Power supply || Connected to BD9684 pins 3,8,17... and to ???
|-
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN || Enable input || 46Kohm resistor to ground, and a trace that dissapears in a sinkhole and emerges near syscon, connected to pin52@[[SW2-303]]
| 12 || {{cellcolors|#33cc33|#ffffff}} EN || Enable input || 46Kohm resistor to ground, and a trace that dissapears in a sinkhole and emerges near syscon, connected to pin52@[[SW2-303]]
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|}
|}


====Rohm BD3527====
====BD3527====
There are 2 BD3527 on JSD-001 motherboard, one is located near flash and the other near usb connectors
There are 2 BD3527 on JSD-001 motherboard, one is located near flash and the other near usb connectors
<!-- for GDDR3 RAM chips ? (4x64MB)... and each BD3527 powers 2 RAM chips ?)-->


{| class="wikitable"
{| class="wikitable"
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| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
|-
|-
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || To fuse/thermistor [[Talk:Protection | TH7601]]
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || Connected to BD9684 pins 3,8,17... and to ???
|-
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || dissapears in a sinkhole (resistor 23Kohm to ground in the other side) and emerges near syscon, connected to pin95@[[SW2-303]]
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || dissapears in a sinkhole (resistor 23Kohm to ground in the other side) and emerges near syscon, connected to pin95@[[SW2-303]]
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! Pin # !! Name !! Description !! Connections
! Pin # !! Name !! Description !! Connections
|-
|-
| 1 || rowspan="5" {{cellcolors|#ffcc22}} OUT ? || rowspan="5" | Output voltage ? || rowspan="5" | 88 ohm resistor to ground, to a testpoint, to 4 sinkholes and to the other side to electrolitic capacitor 2.5v 330 ('''very close to a ram chip''')
| 1 || rowspan="5" {{cellcolors|#ffcc22}} OUT ? || rowspan="5" | Output voltage ? || rowspan="5" | 88 ohm resistor to ground, to a testpoint, to 4 sinkholes and to the other side to electrolitic capacitor 2.5v 330 (very close to a ram chip)
|-
|-
| 2
| 2
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| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
| 10 || {{cellcolors|#000000|#aaaaaa}} GND || Ground ||  
|-
|-
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || To fuse/thermistor [[Talk:Protection | TH7601]]
| 11 || {{cellcolors|#ff0000}} VCC ? || Power supply ? || Connected to BD9684 pins 3,8,17... and to ???
|-
|-
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || 42k ohm resistor to ground, and to a sinkhole that dissapears in the other side and emerges near syscon, connected to pin92@[[SW2-303]]
| 12 || {{cellcolors|#33cc33|#ffffff}} EN ? || Enable input ? || 42k ohm resistor to ground, and to a sinkhole that dissapears in the other side and emerges near syscon, connected to pin92@[[SW2-303]]
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| 20
| 20
|}
|}
== Others ==
*RSX VDDR control in DIA-001 ---> Rohm D35231 (1,2v)?, see [https://www.psx-place.com/threads/fault-finding-ylod-with-the-syscon-first-steps-and-error-reporting.30100/page-134#post-327399 1]
*RSX VDDR control in DIA-002 ---> Rohm D35230 (1,0v)?, see [https://www.psx-place.com/threads/fault-finding-ylod-with-the-syscon-first-steps-and-error-reporting.30100/page-134#post-327399 1]
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