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PXI Registers: Difference between revisions

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Created page with "== Registers == {| class="wikitable" border="1" ! NAME ! ADDRESS ! WIDTH |- | REG_PXISYNC | 0x1EC63000 | 4 |- | REG_PXICNT | 0x1EC63004 | 4 |- | REG_PXISEND | 0x1EC63008 | 4 |..."
 
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== Registers ==
= Registers =
{| class="wikitable" border="1"
{| class="wikitable" border="1"
!  NAME
!  Old3DS
!  ADDRESS
!  Name
!  WIDTH
!  Address
!  Width
!  Used by
|-
|-
| REG_PXISYNC
| style="background: green" | Yes
| 0x1EC63000
| [[#PXI_SYNC|PXI_SYNC]]9
| 0x10008000
| 4
| 4
| Boot9, Process9
|-
|-
| REG_PXICNT
| style="background: green" | Yes
| 0x1EC63004
| [[#PXI_CNT|PXI_CNT]]9
| 0x10008004
| 2
| Boot9, Process9
|-
| style="background: green" | Yes
| PXI_SEND9
| 0x10008008
| 4
|
|-
| style="background: green" | Yes
| PXI_RECV9
| 0x1000800C
| 4
|
|-style="border-top: double"
| style="background: green" | Yes
| [[#PXI_SYNC|PXI_SYNC]]11
| 0x10163000
| 4
| 4
| Boot11
|-
|-
| REG_PXISEND
| style="background: green" | Yes
| 0x1EC63008
| [[#PXI_CNT|PXI_CNT]]11
| 0x10163004
| 2
| Boot11
|-
| style="background: green" | Yes
| PXI_SEND11
| 0x10163008
| 4
| 4
|
|-
|-
| REG_PXIRECV
| style="background: green" | Yes
| 0x1EC6300C
| PXI_RECV11
| 0x1016300C
| 4
| 4
|
|}
The PXI registers are similar to those on DS.
== PXI_SYNC ==
{| class="wikitable" border="1"
!  Bit
!  RW
!  Description
|-
| 0-7
| R
| Data received from remote bits 8-15 (unrelated to SEND/RECV FIFOs)
|-
| 8-15
| R/W
| Data sent to remote bits 0-7
|-
| 23
| ?
| ?
|-
| 29
| W?
| Trigger PXI_SYNC11 IRQ (if enabled)
|-
| 30
| W?
| Trigger PXI_SYNC9 IRQ (if enabled)
|-
| 31
| RW
| PXI_SYNC IRQ enable (for local processor)
|}
This can also be accessed as 4 u8 registers.
== PXI_CNT ==
{| class="wikitable" border="1"
!  Bit
!  RW
!  Description
|-
| 0
| R
| Send Fifo Empty Status      (0=Not Empty, 1=Empty)
|-
| 1
| R
| Send Fifo Full Status      (0=Not Full, 1=Full)
|-
| 2
| R/W
| Send Fifo Empty IRQ        (0=Disable, 1=Enable)
|-
| 3
| W
| Send Fifo Clear            (0=Nothing, 1=Flush Send Fifo)
|-
| 8
| R
| Receive Fifo Empty          (0=Not Empty, 1=Empty)
|-
| 9
| R
| Receive Fifo Full          (0=Not Full, 1=Full)
|-
| 10
| R/W
| Receive Fifo Not Empty IRQ  (0=Disable, 1=Enable)
|-
| 14
| R/W
| Error, Read Empty/Send Full (0=No Error, 1=Error/Acknowledge)
|-
| 15
| R/W
| Enable Send/Receive Fifo    (0=Disable, 1=Enable)
|}
|}
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