Measurement-computing CIO-DAS-TEMP Manuel d'utilisateur télécharger pdf (Page 16)

Table 5-2. Prescalar Divider/2 MHz Clock Control Codes

61.01111115,6251110

122.07011131,2500110

244.14101162,5001010

488.280011125,0000010

976.561101250,0001100

1,9530101500,0000100

3,906.251001None1000

7,812.50001None0000

Output FreqP0P1P2P3Output FreqP0P1P2P3

When TMRE = 0, the Prescaler and Counter 2 are disabled. When TMRE = 1, the prescaler and Counter

2 are enabled.

IR2

IR1 IR0 Hardware IRQ

0 0 0 Disable interrupts

0 0 1 Disable interrupts

0102

0113

1004

1015

1106

1117

BASE + 5 Read - Read bit settings

IR0IR1IR2TMREP0P1P2P3

01234567

BASE + 6 Write - Load counter 0

A write to this address loads the v alue 65,535 into counter 0. T his must be done before trig gering a

conversion.

BASE + 7 Not used

1 2 ... 11 12 13 14 15 16 17 18 19 20

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Measurement-computing CIO-DAS-TEMP Manuel d'utilisateur Page 16