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5.81 Port Link Maintenance Request CSR n (SP n_LM_REQ)

SRIO Registers

Each of the four ports is supported by a register of this type.

Figure 137. Port Link Maintenance Request CSR n (SP n_LM_REQ)

31-16

Reserved

R-0x00

LEGEND: R = Read only; - n = value after reset

15-3 2-0

Reserved COMMAND

R-0x00 RW-0x00

LEGEND: R = Read only; - n = value after reset

Table 111. Port Link Maintenance Request CSR n (SP n_LM_REQ) Field Descriptions

Bit Field Value Description

31-3 Reserved Reserved

2-0 COMMAND A write to this register generates a link-request control symbol on the corresponding port interface.

Command to be sent in the link-request control symbol. If read, this field returns the last written

value

SPRU976 – March 2006 Serial RapidIO (SRIO) 183

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Texas-instruments TMS320C645X User Manual Page 183