ARM AMBA NIC-301 Specifikace stáhnout pdf (Strana 109)

Programmers Model

ID062813 Non-Confidential

Table 3-29 shows the bit assignments.

Test chip SCC Register TEST_CHIP_ID

The TEST_CHIP_ID Register characteristics are:

Purpose Enables you to read the Cortex-A15_A7 test chip-specific device ID.

Usage constraints This register is read-only.

Configurations Not applicable.

Attributes See Table 3-6 on page 3-13.

Figure 3-28 shows the bit assignments.

Figure 3-28 Test chip TC_ID Register bit assignments

Table 3-30 shows the bit assignments.

Test chip SCC Register CPU_ID

The CPUID Register characteristics are:

Purpose Enables you to read the Cortex-A15_A7 test chip core ID.

Usage constraints This register is read-only.

Configurations Not applicable.

Attributes Table 3-6 on page 3-13.

Figure 3-29 on page 3-53 shows the bit assignments.

Table 3-29 Test chip APB_CLEAR Register bit assignments

Bits Name Function

[31:0] - Writing

0xA50FF0FA

to this register reverts the SCC registers to their test chip default values.

Note

ARM recommends that you do not write to this register.

31 0

0 000 0 0000101110100 0000 101000 10

Cortex-A15_A7 test chip specific device ID

24 23 16 15 8 7

Table 3-30 Test chip TC_ID Register bit assignments

Bits Name Function

[31:0] - Cortex-A15_A7 test chip device ID.

The default is

0x00050176

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 177 178

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ARM AMBA NIC-301 Specifikace Strana 109