Difference between revisions of "SPI Registers"

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m (moved SPI to SPI Registers)
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== Registers ==
+
= Registers =
 
{| class="wikitable" border="1"
 
{| class="wikitable" border="1"
−
!  NAME
+
!  Old3DS
−
!  PHYSICAL ADDRESS
+
!  Name
−
!  PROCESS VIRTUAL ADDRESS
+
!  Address
−
!  KERNEL VIRTUAL ADDRESS
+
!  Width
−
!  WIDTH
+
!  Used by
 
|-
 
|-
−
| REG_SPI2CNT
+
| style="background: green" | Yes
 +
| [[#SPI_CNT|SPI_CNT]]0
 +
| 0x10142000
 +
| 2
 +
|
 +
|-
 +
| style="background: green" | Yes
 +
| SPI_DATA0
 +
| 0x10142002
 +
| 1
 +
|
 +
|-
 +
| style="background: green" | Yes
 +
| [[#SPI_CNT|SPI_CNT]]1
 +
| 0x10143000
 +
| 2
 +
|
 +
|-
 +
| style="background: green" | Yes
 +
| SPI_DATA1
 +
| 0x10143002
 +
| 1
 +
|
 +
|-
 +
| style="background: green" | Yes
 +
| [[#SPI_CNT|SPI_CNT]]2
 
| 0x10160000
 
| 0x10160000
−
| 0x1EC60000
 
−
|
 
 
| 2
 
| 2
 +
|
 
|-
 
|-
−
| REG_SPI2DATA
+
| style="background: green" | Yes
 +
| SPI_DATA2
 
| 0x10160002
 
| 0x10160002
−
| 0x1EC60002
+
| 1
−
|
+
|
−
| 1
 
 
|}
 
|}
  
−
 
+
== SPI_CNT ==
−
These SPI registers are similar to the SPI registers on DS.
+
{| class="wikitable" border="1"
 +
!  Old3DS
 +
!  Name
 +
|-
 +
| 0-1
 +
| Baudrate (0=4MHz/Firmware, 1=2MHz/Touchscr, 2=1MHz/Powerman., 3=512KHz)
 +
|-
 +
| 2-6
 +
| Not used            (Zero)
 +
|-
 +
| 7
 +
| Busy Flag          (0=Ready, 1=Busy) (presumably Read-only)
 +
|-
 +
| 8-9
 +
| Device Select      (0-3)
 +
|-
 +
| 10
 +
| Transfer Size      (0=8bit/Normal, 1=16bit/Bugged)
 +
|-
 +
| 11
 +
| Chipselect Hold    (0=Deselect after transfer, 1=Keep selected)
 +
|-
 +
| 12-13
 +
| Not used            (Zero)
 +
|-
 +
| 14
 +
| Interrupt Request  (0=Disable, 1=Enable)
 +
|-
 +
| 15
 +
| SPI Bus Enable      (0=Disable, 1=Enable)
 +
|}

Revision as of 17:40, 20 March 2015

Registers

Old3DS Name Address Width Used by
Yes SPI_CNT0 0x10142000 2
Yes SPI_DATA0 0x10142002 1
Yes SPI_CNT1 0x10143000 2
Yes SPI_DATA1 0x10143002 1
Yes SPI_CNT2 0x10160000 2
Yes SPI_DATA2 0x10160002 1

SPI_CNT

Old3DS Name
0-1 Baudrate (0=4MHz/Firmware, 1=2MHz/Touchscr, 2=1MHz/Powerman., 3=512KHz)
2-6 Not used (Zero)
7 Busy Flag (0=Ready, 1=Busy) (presumably Read-only)
8-9 Device Select (0-3)
10 Transfer Size (0=8bit/Normal, 1=16bit/Bugged)
11 Chipselect Hold (0=Deselect after transfer, 1=Keep selected)
12-13 Not used (Zero)
14 Interrupt Request (0=Disable, 1=Enable)
15 SPI Bus Enable (0=Disable, 1=Enable)
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