ARM AMBA NIC-301 Especificações descarregar pdf (Página 140)

Programmers Model

ID062813 Non-Confidential

CNTVL_CVAL

The CNTVL_CVAL Register characteristics are:

Purpose Virtual timer lower 32 bits comparison value register that enables you to

read and write the virtual timer lower 32 bits comparison values.

Usage constraints There are no usage constraints.

Configurations Not applicable.

Attributes See Table 3-68 on page 3-76.

Figure 3-56 shows the bit assignments.

Figure 3-56 System counter CNTVL_CVAL Register bit assignments

Table 3-81 shows the bit assignments.

CNTVU_CVAL

The CNTVU_CVAL Register characteristics are:

Purpose Virtual timer upper 32 bits comparison value register that enables you to

read and write the virtual timer upper 32 bits comparison values.

Usage constraints There are no usage constraints.

Configurations Not applicable.

[2] ISTAT Interrupt status before masking:

Interrupt asserted.

Interrupt not asserted.

The default is

[1] IMSK Mask interrupt:

Mask interrupt.

Unmask interrupt.

The default is

[1] EN Enable timer

Timer enabled.

Timer disabled.

The default is

Table 3-80 System counter CNTP_CTL Register bit assignments (continued)

Bits Name Function

31 0

0 00000 0 000000000000 0000 000000 00

CNTVL_CVAL

Table 3-81 System counter CNTVL_CVAL Register bit assignments

Bits Name Function

[31:0] CNTVL_CVAL Virtual timer lower 32 bits comparison value

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 177 178

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ARM AMBA NIC-301 Especificações Página 140