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Interrupt Threshold (Index=8, RB='1')

Interrupt Threshold Register

Register Layout

Index=0x08, Byte 0. Index=0x08, Word 0. RB='1'.

D7 
D6 
D5 
D4 
D3 
D2 
D1 
D0 
ITH7 
ITH6 
ITH5 
ITH4 
ITH3 
ITH2 
ITH1 
ITH0 

 

Index=0x09, Byte 1. Index=0x08, Word 0. RB='1'.

D15 
D14 
D13 
D12 
D11 
D10 
D9 
D8 
ITH15 
ITH14 
ITH13 
ITH12 
ITH11 
ITH10 
ITH9 
ITH8 

 

Index=0x0A, Byte 2. Index=0x0A, Word 1. RB='1'.

D23 
D22 
D21 
D20 
D19 
D18 
D17 
D16 
ITH23 
ITH22 
ITH21 
ITH20 
ITH19 
ITH18 
ITH17 
ITH16 

 

Index=0x0B, Byte 3. Index=0x0A, Word 1. RB='1'.

D31 
D30 
D29 
D28 
D27 
D26 
D25 
D24 
ITH31 
ITH30 
ITH29 
ITH28 
ITH27 
ITH26 
ITH25 
ITH24 
Bit Definitions
NAME 
DIRECTION 
DEFAULT 
DESCRIPTION 
ITH[31:0] 
rw 
0x00000000 
Interrupt Threshold Register. See Description section for further information. 

When the number events defined by the Interrupt Threshold Source Counter Select (refer to the Interrupt Source Select Register) is reached, an output is generated which can subsequently be used to generate an interrupt or be used to cause an ADC-sample or ADC-burst, depending on configurations. 

 

It is possible for this counter to be used as a form of an event pre-scalar for ADC-sampling or ADC-bursting or interrupt generation. 

 

One time: Interrupt_time_interval = ITH * interrupt_count_source_time_interval. 

 

Periodic: Interrupt_time_interval = ( ITH + 1 ) * interrupt_count_source_time_interval.

Copyright © 1997-2008 by Apex Embedded Systems. All rights reserved. Updated on Wednesday, April 02, 2008.
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