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Line 1: − == Specifications == − * [[Cameras|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 (datasheet: http://edevice.fujitsu.com/fj/DATASHEET/e-ds/e511454.pdf mirror:[[Media:E511454.pdf]] − * (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_Module]] with integrated 128KB SPI Flash for [[NVRAM]], WiFi settings − == Hardware Revisions == − == DSi == − ** board C/TWL-CPU-01 (Original rev, all pictures below) − ** CPU: TWL. The latest date code picture I could find online was "0836 1m" as shown below, however other pictures with CPU covered show the NAND codes as late as 916, so... − ** Suspect this is the only board where WiFi chip is available in Hybrid games like CookingCoach − ** Wireless card DWM-W015 − − == DSi RevA == − ** board C/TWL-CPU-10 (Newer model, can someone provide a date or serial # range?) − ** CPU: TWL A. Mine is "0940 2m". My US Serial # is ~ TW71848???[5]. If yours is earlier, please update this. − [[Image:TWL-CPU-10.png]] − − == DSi XL == − ** board C/UTL-CPU-01 − ** CPU is TWL A − ** Wireless card DWM-W024 − − == Images == − == Front == − [[Image:Twl_front.jpg]] − [[Image:Twl_front_traces.jpg|600px]] − − The socket to the left of the ARM processor is the wifi chip socket. − − TWL CPU pinout map: [[File:Twl_cpu_pinout.pdf]] (WIP) − − == Back == − [[Image:Twl_back.jpg]] − − == NAND Pinout == − [[Image:Dsi_nand.jpg|600px]] − [[Image:Dsi_nanddat.png|600px]] − − == NAND Pinout With Conventional Markings == − === DSi === − [[Image:NAND_Compressed.jpg|600px]] − − === DSi XL === − [[Image:Side_B_Marked_Compressed.png|600px]] − − == PCB Overlay == − [[Image:Nintendo DSi PCB Layered.jpg|600px]] − − == CPU with New RAM == − [[Image:CPUv2.jpg]] − − == Glamor Shot == − [[Image:Nintendo-dsi-Glamor-Shot.jpg]] − − == References == − * http://en.wikipedia.org/wiki/Nintendo_DSi − * http://insidetronics.blogspot.com/2008/11/new-nintendo-dsi-teardown.html − * http://techon.nikkeibp.co.jp/english/NEWS_EN/20081111/161077/ − * http://games.gearlive.com/playfeed/article/q408-nintendo-dsi-announced-larger-screens-dual-cameras-dsi-shop-store/ − * http://www.ifixit.com/Guide/First-Look/Nintendo-DSi/714/1
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