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boards:rkp28sb [2015/01/06 20:26] – darronboards:rkp28sb [2024/07/10 12:26] (current) – external edit 127.0.0.1
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-==== RK Education RKP28sb ====+==== RKP28sb ====
 <wrap right> <wrap right>
 {{:boards:rkp28sb.jpg?200}} {{:boards:rkp28sb.jpg?200}}
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 <code> <code>
 J9 ICSP         PIC18F2550              J6              PIC18F2550 J9 ICSP         PIC18F2550              J6              PIC18F2550
--------         ----------              ---             ----------+-------         ----------              --------------  ----------
 1:VPP           !MCLR VPP RE3           10:RB1/SCL/SCK  RB1 AN10 INT1 SCK SCL 1:VPP           !MCLR VPP RE3           10:RB1/SCL/SCK  RB1 AN10 INT1 SCK SCL
 2:VDD/VPIC      VDD/VPIC                 9:RB0/SDA/SDI  RB0 AN12 INT0 FLT0 SDI SDA 2:VDD/VPIC      VDD/VPIC                 9:RB0/SDA/SDI  RB0 AN12 INT0 FLT0 SDI SDA
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 1:RST           !MCLR VPP RE3            1:RC0          RC0 T1OSO T13CKI 1:RST           !MCLR VPP RE3            1:RC0          RC0 T1OSO T13CKI
 2:3V3           +3V3 2:3V3           +3V3
-3:5V            +5V                     J4 +3:5V            +5V             J8       J4 
-4:GND           GND                     --- +4:GND           GND             ---      ----- 
-5:GND           GND                      8:RB7          RB7 KBI3 PGD +5:GND           GND             SCK      8:RB7          RB7 KBI3 PGD 
-6:VIN           VIN                      7:RB6          RB6 KBI2 PGC +6:VIN           VIN             VUSB     7:RB6          RB6 KBI2 PGC 
-                                         6:RB5          RB5 KBI1 PGM+                                3V3      6:RB5          RB5 KBI1 PGM
 J3 ANALOGUE                              5:RC2          RC2 CCP1 J3 ANALOGUE                              5:RC2          RC2 CCP1
 -----------                              4:RC4/D-       RC4 D- VM -----------                              4:RC4/D-       RC4 D- VM
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 5:RB3/AN4       RB3 AN9  CCP2  VPO 5:RB3/AN4       RB3 AN9  CCP2  VPO
 6:RB4/AN5       RB4 KBI0 AN11 6:RB4/AN5       RB4 KBI0 AN11
 +
 +SCK on J8 connects to LED D3
 </code> </code>
 +
 +=== Power ===
 +
 +Power may be applied through the power jack or the power header. There are two LDOs and a jumper is used to select the MCU voltage between 3V3 or 5V. When applying 5V on the power header, the 3V3 LDO is still utilised so it may be selected.
 +
 +When using the power jack socket, the switch will turn the board on and off, as it
 +feeds the 5V LDO.
 +
 +There is a VUSB selection jumper which may power this pin if the PIC internal regulator is disabled. For PICs that are not USB, remove the jumper and use this a method of accessing pin 14.
  
 === Resources === === Resources ===
-[[http://rkeducation.co.uk/documents/instructions/RKP28sbComponentListandInstructions.pdf|Constructors guide]]\\ +{{downloads:RKP28sbComponentListandInstructions.pdf|Constructors guide}]
-[[http://rkeducation.co.uk/images/Schematics/rkp28shieldbaseschematicpicaxe.jpg|Schematic (jpeg)]]\\ +
-[[http://rkeducation.co.uk/documents/schematics/rkp28sbschematicshieldforpicaxe.pdf|Schematic (pdf)]]+
  
 +{{downloads:rkp28sbschematicshieldforpicaxe.pdf|Schematic}}