Delta DVP-ES2 User Manual download pdf (Page 248)

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DVP-ES2/EX2/SS2/SA2/SX2/SE Operation Manual - Programming

3-132

¾ There are 6 software zone comparators available exclusively for zone compare operation,

hence the limit of 6 comparisons for zone compare does not include the comparisons of

DHSCS and DHSCR.

¾ SS2/SA2/SE does not support software counter C232.

5. Explanations on hardware comparators for HSZ instruction:

¾ Corresponding table for hardware counters and comparators (It is not applicable to

VEP-SE):

A group B group

Hardware counter

A1 A2 A3 A4 B1 B2 B3 B4

Counter No. C243, C245~C248, C251,C252 C244, C249, C250, C253, C254

High-speed compare

Set/Reset

Shares 4 hardware

comparators for group A

Shares 4 hardware

comparators for group B

¾ Corresponding table for hardware counters and comparators (It is only applicable to

VEP-SE):

A group B group

Hardware counter

A1 A2 B1 B2

Counter No.

C243, C245~C248, C251,C252 C244

High-speed

compare Set/Reset

Shares 2 hardware comparators

for group A

Shares 2 hardware

comparators for group B

¾ Block diagram of hardware counters and comparators:

Set /reset

Count

value

Count

value

Set / res et

Set /reset

Hardware

counter

Hardware

counter

Hardware

comparator

Hardware

comparator

A x 4

B x 4

I010

I040

I050

I080

¾ The two groups can only be used once for each group, occupying 2 comparators. For

example, when DHSZ instruction uses A3 and A4 of group A comparators, only the other

2 comparators (A1, A2) are available for DHSCS and DHSCR instructions.

¾ When DHSCS uses I030 or I040, comparators A3 and A4 are no longer available for

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Delta DVP-ES2 User Manual Page 248

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