ARM AMBA NIC-301 Dokumentacja Pobierz pdf (Strona 132)

Programmers Model

ID062813 Non-Confidential

Configurations Not applicable.

Attributes See Table 3-56 on page 3-69.

Figure 3-49 shows the bit assignments.

Figure 3-49 System counter COMPID2 Read Register bit assignments

Table 3-66 shows the bit assignments.

COMPID3

The COMPID3 Register characteristics are:

Purpose System counter component identification read register 3 that enables you

to read component identification information.

Usage constraints This register is read-only.

Configurations Not applicable.

Attributes See Table 3-56 on page 3-69.

Figure 3-50 shows the bit assignments.

Figure 3-50 System counter COMPID3 Read Register bit assignments

Table 3-67 shows the bit assignments.

3.4.14 System timer

The two generic timers, the system counter and the system timer, are part of the Cortex-A15

cluster. This section describes the system timer. See System counter on page 3-61 for

information on the system counter.

31 0

0 00000 0 000000000010 0000 000000 01

COMPID2

Table 3-66 System counter COMPID2 Read Register bit assignments

Bits Name Function

[31:0] COMPID2 System counter component identification read register 2.

The default is

0x0000_0005

31 0

0 00000 0 000001011000 0000 000000 01

COMPID3

Table 3-67 System counter COMPID3 Read Register bit assignments

Bits Name Function

[31:0] COMPID3 System counter component identification read register 3.

The default is

0x0000_00B1

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 177 178

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ARM AMBA NIC-301 Dokumentacja Strona 132