Hardware

Specifications

According to iFixit.com (source):

Type	Name	Datasheet	Source
SoC	Nintendo 1048 0H (Custom): CPU, GPU & DSP all on one chip.	N/A	N/A
Processor Core	ARM11 Multiprocessor Core 2x 268 MHz	N/A	[1]
GPU	Digital Media Professionals Pica 268MHz	N/A	[2]
FCRAM	2x64MB Fujitsu MB82M8080-07L	[3]	[4]
Storage	Toshiba THGBM2G3P1FBAI8 1GB NAND Flash	N/A	N/A
Power Management	Texas Instruments PAIC3010B 0AA37DW	N/A	FCC filing
Gyroscope	Invensense ITG-3270 MEMS Gyroscope	[5]	--
Accelerometer	ST Micro 2048 33DH X1MAQ Accelerometer Model LIS331DH	[6]	--
Wifi	802.11b/g Atheros AR6014	[7]	N/A
Infrared IC	NXP infrared IC, "S750 0803 TSD031C"	N/A	[8]
Auxiliary Microcontroller	UC CTR, custom Nintendo microcontroller	N/A	N/A

Datasheet for memory is for a chip in the same series, it has less memory than the one inside the 3DS (128mbits vs 512mbits).

There is a trove of data on the FCC website at [9].

Images

Front

High Resolution

Back

NAND pinout

NAND dumping has been successful, but the image is encrypted.

WiFi dongle pinout

SDIO interface is colored red:

• CLK
• CMD
• D0, D1, D2, D3

This is the interface for the 'NEW' WiFi module (based on Atheros AR6002) first included in DSi.

The proprietary and by now ancient DS-mode WiFi is colored yellow, pins are unknown.

I2C eeprom is colored blue:

• SCL
• SDA

SPI Flash is colored purple:

• CLK
• CS#
• SI
• SO
• WP#
• NC

Auxiliary Microntroller

Monitors HOME button, WiFi switch, 3D slider, volume control slider. Controls LEDs, various power supplies.

Devices attached to I2C bus:

• UC (master?)
• Accelerometer (slave address 0x18)
• SoC (master? slave?)