3.7.6. Integration Test ATB Control 0 Register

The ITATBCTR0 characteristics are:

Purpose

Performs different functions depending on whether the access is a read or a write:

  • A read returns the value of the atvalidsn, atbytessn, and afreadysn signals, where the value of the Control Register at 0x000 defines n.

  • A write sets the value of the atvalidm, atbytesm, and afreadym signals.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.33.

Figure 3.34 shows the bit assignments.

Figure 3.34. ITATBCTR0 bit assignments

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Table 3.39 shows the bit assignments.

Table 3.39. ITATBCTR0 bit assignments

BitsNameFunction
[31:10]Reserved

-

[9:8]ATBYTES

A read returns the value of the atbytessn signal, where the value of the Ctrl_Reg at 0x000 defines n.

A write outputs the value to atbytesm.

[7:2]Reserved

-

[1]AFREADY

A read returns the value of the afreadysn signal, where the value of the Ctrl_Reg at 0x000 defines n.

A write outputs the value to afreadym.

[0]ATVALID

A read returns the value of the atvalidsn signal, where the value of the Ctrl_Reg at 0x000 defines n.

A write outputs the value to atvalidm.


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