84PCE:Ports:1002
From WikiTI
Synopsis
Port Number: 1002
Function: Unknown. This port definitely doesn't control RAM or flash wait states.
Details
Bits [2:0]
Some values cause an instant crash unless interrupts are disabled and you are running in a RAM program; if you are running in a RAM program with interrupts disabled, no values cause a crash.
Value | Effect |
0 | Instant crash |
1 | Instant crash |
2 | Instant freeze |
3 | Crash upon return to OS |
4 | No crash, freezes if you do anything complicated in the OS |
5 | No crash, freezes if you do anything complicated in the OS |
6 | Normal value |
7 | No ill-effects apparent, does not appear to make OS noticeably slower |
Bit 3
Set this bit to crash.
Bits [7:4]
Writes have no apparent effect, value does not latch.