84PCE:Ports:0001

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Synopsis

Port Number: 0001

Function: CPU speed

Details

Bits [1:0]

CPU speed.

Value    Speed   
00 6 MHz
01 12 MHz
10 24 MHz
11 48 MHz

Bits [3:2]

Writes have no apparent effect, value does not latch.

Bit [4]

Latches value written, no apparent effect.

Bit [7:5]

Writes have no apparent effect, value does not latch.