DSiBrew

Hardware

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Specifications

  • Includes (2) 0.3 Megapixel VGA Cameras
  • 240MB(+16MB probably reserved for wear leveling purposes (e.g. replacing bad blocks)) Internal Flash Memory - Samsung kmapf0000m-S998 MOVI NAND - MMC Interface
  • 16MB RAM - NEC uPD 46128512AF1 - DDR SRAM or a Fujitsu 128-Mbit FCRAM 82DBS08164D-70L
  • (2) 256 x 192 3.25 Inch Displays, one of which has a resistive touch screen
  • Backwards compatible with Nintendo DS games but not GBA games due to the lack of a gameboy cartridge port.
  • Integrated ARM7/ARM9 cores clocked at 133mhz in real mode and downclocked to 66mhz for compatibility mode.
  • PAIC3000D Sound Chip - possibly a TI codecs: AIC3 ????
  • Mitsumi (MM3317A) or TI 72071B0 - Power supply and charger circuit ????
  • SD/SDHC Card slot
  • WiFi dongle with integrated 128KB SPI Flash for NVRAM, WiFi settings

Images

Front

 

The socket to the left of the ARM processor is the wifi chip socket.

Back

 

NAND pinout

 

PCB overlay

 

CPU with new ram

 

Glamor Shot

 

Test Points

/IRQ_0 COM1 LDG10 LS P05 SD10_CD SPLN X+
/mRST COM2 LDG11 MC1_CLK P06 SD10_CLK SPLP Y-
/WiFi_RST DCLK LDG12 MC1_CS P06 SD10_CMD SPRN Y+
ADPO DET LDG13 MC1_CS2 P07 SD10_DATA1 SPRP YELLOW
AOUT EXTB+ LDG14 MC1_DET P08 SD10_DATA2 SR
ATH_TX_H GCK LDG15 MC1_IO0 P09 SD10_DATA3 TH
B+ GND1 LDG20 MC1_IO1 PENIRQ SD10_DATAO VCNT5
BLA1 GND2 LDG21 MC1_IO2 PM_SLP SD10_VDD VD18
BLA2 GPIO330 LDG22 MC1_IO3 PMOFF SD10_WP VDD-5
BLC1 GSP LDG23 MC1_IO4 PVDD SD11_CLK VDD10
BLC2 HP#SP LDG24 MC1_IO5 PWSW SDA VDD12
BLUE HSYNC LDG25 MC1_IO6 PWSWO SDA1 VDD28
BT- INI LDR10 MC1_IO7 R00 SG VDD33
BT+ LBD24 LDR11 MC1_IREQ R01 SL VDD42
CAM_D0 LDB10 LDR12 MC1_RES R7 SND_MCLK VDD5
CAM_D1 LDB11 LDR13 MC1_VDD RCLK SND_SCLK VDET-
CAM_D2 LDB12 LDR14 mFE RED SND_SD0 VGND
CAM_D3 LDB13 LDR15 MIC RESET SND_SDI VIN
CAM_D4 LDB14 LDR20 ORANGE REV SND_WS VOLN
CAM_D5 LDB15 LDR21 P00 RICHG SPI_CS1 VOLP
CAM_D6 LDB20 LDR22 P01 Rosc SPI_CS2 VSHD
CAM_D7 LDB21 LDR23 P02 RTC_INT SPI_CS3 VSYNC
CAM_LED LDB22 LDR24 P03 SCK SPI_MISO WL_RXPE
CAM_RST LDB23 LDR25 P04 SCL SPI_MOSI WL_TXPE
CKI LDB25 LIN P04 SCL1 SPL X-

References

  1. http://en.wikipedia.org/wiki/Nintendo_DSi
  2. http://insidetronics.blogspot.com/2008/11/new-nintendo-dsi-teardown.html
  3. http://techon.nikkeibp.co.jp/english/NEWS_EN/20081111/161077/
  4. http://games.gearlive.com/playfeed/article/q408-nintendo-dsi-announced-larger-screens-dual-cameras-dsi-shop-store/
  5. http://www.ifixit.com/Guide/First-Look/Nintendo-DSi/714/1
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