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Texas Instruments TMS320C645X User Manual

Page 214

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SRIO Registers

Table 138. Port Control Independent Register n (SPn_CTL_INDEP) Field Descriptions (continued)

Bit

Field

Value

Description

17

MAX_RETRY_EN

Max_retry_error report enable. If enabled, the Port-Write and interrupt are reported as errors.

1b

Max retry error report enable

0b

Max retry error report disable

16

MAX_RETRY_ER

Max_retry_error bit is set when max_retry_cnt is equal to max_retry_threshold. The Port-Write

R

request and interrupt are generated if enabled. This bit is ignored if max_retry threshold is 00. Once
set, it remains set until written with logic 1 to clear. This bit also is cleared by writing all 0s to the
register SP0_ERR_DET. This error also reported in register SP0_ERR_DET.

15-8

MAX_RETRY_TH

Maximum Retry Threshold Trigger. These bits provide the threshold value for reporting an error

R

condition due to possibly broken partner behavior.

00

Disable the max_retry_error reporting

01

Set the max_retry_threshold to 1

02

Set the max_retry_threshold to 2

...

FF

Set the max_retry_threshold to 255

7

IRQ_EN

Interrupt error report Enable. If enabled, the interrupt signal is High when the IRQ_ERR is set to 1.

1b

Interrupt error report enable

0b

Interrupt error report disable

6

IRQ_ERR

The Interrupt Error Status bit. It is set to one if an error occurs and there is a Port-Write condition.
Once set, remains set until written with logic 1 to clear.

5-0

Reserved

Reserved

Serial RapidIO (SRIO)

214

SPRU976 – March 2006

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