Nano 2G
Components
| Component | Label | Part | Markings | Notes |
|---|---|---|---|---|
| CPU | 1 | Samsung S5L8701 | 337S32918701
N042DQS 0636 ARM |
System On Chip (SoC), includes ARM940T central processor, advanced DSP, 50kB boot ROM, 256kB SRAM, external RAM, flash and LCD controllers, USB(1.1-host; 2.0-function) and some other parts. Package: 232-pin FBGA 10x10mm or 224/226-pin 9x9mm. Similar chips: SA58700X07. Some documentation available for the S5L series can be found here. The processor itself is Apple-branded and marked 337S3291 8701. |
| SDRAM | 2 | Samsung K4M56163PG | SEC 637 GG75
K4M56163PG AQH373P1 |
here is the datasheet. This is the same chip used in the Nano 1G. Sometimes the Qimonda HYE18L256 chip is used instead. |
| Utility Flash | 3 | SST39WF800A | SST39WF800A
90-4C-C2QE 0631287-A |
stores Disk Mode, Diagnostic Mode and the code to flash this chip. Tof has managed to extract this data and the dump can be obtained by emailing Emmanuel Fleury. All of the contents in the utility flash chip are encrypted from now on. |
| DSP | N/A | N/A | N/A | Combination of Samsung 16-bit CalmRisc16 and Samsung 24-bit CalmMAC2424. |
| NAND Flash | B1 | Varies | TOSHIBA P11023
JAPAN 0636 KAE TP0560 TH58NVG5D4CTG20 |
|
| USB charging | 6 | LTC4066 | Linear Technology
6H 4066 B8966 |
|
| Audio codec? | 5 | WM something? | APPLE
338S0310 68BTST8 |
|
| Step down regulator | 4 | LM34910 | National Semiconductor
JM66RJ L34910B |
|
| Power manager (below) | B2 | Probably Dialog? | APPLE
338S0261 P29T6 04 cPG0637Y 01/N2 |
Helpful pages
Teardowns:
- http://www.ifixit.com/Guide/First-Look/iPod-Nano-2nd-Generation/592/1
- http://arstechnica.com/apple/reviews/2006/09/ipod-2g.ars/4
- http://www.eetimes.com/design/audio-design/4016200/Tear-Down-Inside-the-Apple-8GB-iPod-nano (useful because it shows the power manager)
- http://forums.rockbox.org/index.php?PHPSESSID=d69e900c3215a165adee7165ece4eccb&topic=6518.msg62700#msg62700 (beautiful PCB scans)
Other:
