Texas Instruments TMS320TCI648x manual Port Link Time-Out Control CSR Spltctl, Timeoutvalue

Models: TMS320TCI648x

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SRIO Registers

5.66 Port Link Time-Out Control CSR (SP_LT_CTL)

The port link time-out control CSR (SP_LT_CTL) is shown in Figure 129 and described in Table 137.

Figure 129. Port Link Time-Out Control CSR (SP_LT_CTL) - Address Offset 1120h

31

TIMEOUT_VALUE

R/W-FFFFFFh

8

7

0

TIMEOUT_VALUE

 

Reserved

R/W-FFFFFFh

 

R-00h

LEGEND: R/W = Read/Write; R = Read only; -n= Value after reset

Table 137. Port Link Timeout Control CSR (SP_LT_CTL) Field Descriptions

Bit

Field

Value

Description

31–8

TIMEOUT_VALUE

 

Timeout value for all ports on the device. This timeout is for link events

 

 

 

such as sending a packet to receiving the corresponding ACK. Max

 

 

 

value represents 3-6 seconds. Timeout duration = 205 ns * Timeout

 

 

 

Value; where Timeout value is the decimal representation of this register

 

 

 

value.

 

 

FFFFFFh

3.4 s

 

 

0FFFFFh

215 ms

 

 

00FFFFh

13.4 ms

 

 

000FFFh

839.5 μs

 

 

0000FFh

52.3 μs

 

 

00000Fh

3.1 μs

 

 

000001h

205 ns for simulation only

 

 

000000h

Timer disabled

7–0

Reserved

00h

These read-only bits return 0s when read.

SPRUE13A –September 2006

Serial RapidIO (SRIO)

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Texas Instruments TMS320TCI648x manual Port Link Time-Out Control CSR Spltctl, Timeoutvalue