Delta 36-R31 User Manual download pdf (Page 54)

ACC-36E Manual

USING ACC-36E WITH UMAC MACRO 54

Manual I/O Node Data Transfer: MI19…MI68

The manual I/O node transfer of ADCs is achieved using the following MACRO Station parameters:

 MS{anynode},MI19: I/O data transfer period.

MI19 controls the data transfer period (in phase cycles) between the MACRO node interface registers and

the I/O registers. If MI19 is set to 0, the data transfer is disabled.

MI19 is typically set to 4 phase cycles.

 MS{anynode},MI20: Data transfer enable mask.

MI20 controls which of 48 possible data transfer operations (specified by MI21-MI68) are performed at

the data transfer period set by MI19.

MI20 is a 48-bit value; each bit controls whether the data transfer specified by one of the variables MI21

through MI68 is performed.

Examples:

If MI20=$1  bit #0 is set to 1  MI21 transfer is performed.

If MI20=$3  bits #0 and #1 are set to 1  MI21 and MI22 are performed.

If MI20=$5  bits #0 and #2 are set to 1  MI21 and MI23 are performed.

If MI20=$F  bits #0 through #3 are set to 1  MI21 through MI24 are performed.

 MS{anynode},MI21-MI68: Data transfer source and destination addresses.

MI21-MI68 each specify a type of data transfer (copying) operation that will occur on the MACRO

Station at a rate specified by Station Variable MI19, and enabled by Station variable MI20.

Each variable also specifies the address from which the data will be copied (read), and the address to

which the data will be copied (written).

MI21-MI68 are 48-bit variables, represented as 12 hexadecimal digits as follows, where digit #1 is the

rightmost digit when constructing the word:

Hex

Digit #

“From” Register Format Code:

=$54 for lower 12-bit ADC registers

=$60 for upper 12-bit ADC registers

=$78 for entire 24-bit ADC register

10:7 6:5 4:1

“From” Register Address –

MACRO Local Register

($020X)

“To” Register Address –

Macro I/O Node Register

($C0XX)

“To” Register Format Code:

=$DC for 16-bit MACRO I/O Node Registers

=$E8 for 24-bit MACRO I/O Node Registers

12:11

Following are two examples:

 Example 1: Manual I/O node data transfer of 1 ACC-36E.

 Example 2: Manual I/O node data transfer of 2 ACC-36Es.

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 83 84

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Delta 36-R31 User Manual Page 54

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