IA6805E2_07 Datasheet, PDF (19/33 Pages) InnovASIC, Inc – Microprocessor Unit

IA6805E2
Microprocessor Unit
As of Production Version 00
29 August 2007
TCR3 – Prescaler Clear
Write only bit. Writing a “1” to this bit resets the prescaler to zero. A read of this location
always indicates a zero. Unaffected by reset.
TCR2, TCR1, TCR0 – Prescaler select bits
Decoded to select one of eight outputs of the prescaler. Unaffected by reset.
TRC2
0
0
0
0
1
1
1
1
Prescaler
TRC1 TRC0
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
RESET
÷1
÷2
÷4
÷8
÷16
÷32
÷64
÷128
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©
IA211081401-03
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