Hardware/MX23L4005
< Hardware
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The custom MX23L4005 chip used on the Nintendo Wii contains the GameCube font set, RTC, and power management functions. It is listed on WiiRe as "U8: MX "E062674-MG" "MX23L4005-24C1" "RTC-RVL A" "2S08802" (RTC, TSOP28 18x8mm)".
Die shot: http://www.bunniestudios.com/blog/?p=227
Observed pin behavior:
1 connected to power button - active high 2 wii power state (+3.3v when power is on, 0v otherwise) 3 wii power state (+3.3v when power is on, 0v otherwise) 4 Gnd 5 0? 6 1? 7 0?
8 0? measuring this pin prevents the wii from shutting off when you hold the power button down ?!!? 9 10 11 12 13 14
15 16 Gnd 17 18 19 20 21
22 23 24 25 26 27 28