MC146805E2CFN INNOVASIC [InnovASIC, Inc], MC146805E2CFN Datasheet - Page 18

• Manufacturer Part Number: MC146805E2CFN
• Description: Microprocessor Unit
• Manufacturer: INNOVASIC [InnovASIC, Inc]

IA6805E2
Microprocessor Unit
Copyright
innovASIC
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.
2002
The End of Obsolescence
TRC2
0
0
0
0
1
1
1
1
ENG21108140100
TRC1
Page 18 of 31
0
0
1
1
0
0
1
1
Prescaler
TRC0
0
1
0
1
0
1
0
1
As of Production Version 00
RESET
128
16
32
64
1
2
4
8
Data Sheet
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