834
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Line 92:
Line 92:
||x'0d80_00DC||???
||x'0d80_00DC||???
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−||x'0d80_00E0||GPIO || || || brought out to 8 testpads --probably used as a debug port during manufacturing. Also, used in 1-100 "panic"-condition: "set, delay, clear, delay"-loop (blinking a led?)
+||x'0d80_00E0||GPIO || || || 0x08 -- set to enable DC/DC converter,
+|-
+||x'0d80_00E1||GPIO || || ||
+|-
+||x'0d80_00E2||GPIO || || || debug / "POST" port -- connected to 8 testpads. boot0 / 1 / 2 output simple codes to indicate boot status.
+|-
+||x'0d80_00E0||GPIO || || ||
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||x'0d80_00E4||GPIO || || || probably direction
||x'0d80_00E4||GPIO || || || probably direction
Line 128:
Line 134:
||x'0d80_018C||???
||x'0d80_018C||???
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−||x'0d80_0194||??? || || || 0x400 is DI reset (low active)
+||x'0d80_0190||??? || || || involved in DSKPLL init
+|-
+||x'0d80_0194||??? || || || 0x400 is DI reset (low active) / involved in DSKPLL init
+|-
+||x'0d80_0198||??? || || || set to 0x00FFFFFF as part of "interface / subsytem powerup"
+|-
+||x'0d80_01B0||??? || || || ACRPLLSYS
+|-
+||x'0d80_01B0||??? || || || ACRPLLSYSEXT
+|-
+||x'0d80_01B8||??? || || || involved in DSKPLL init
+|-
+||x'0d80_01BC||???
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||x'0d80_01C0||???
||x'0d80_01C0||???
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−||x'0d80_01BC||???
+||x'0d80_01DC||??? || || || set to 0x00FFFFFF as part of "interface / subsytem powerup"
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||x'0d80_0214||???
||x'0d80_0214||???