TMS570LS3137 datasheet(104/159 Pages) TI

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TMS570LS3137

SPNS162.

– SEPTEMBER 2011

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Table 4-36. Reset/Abort/Error Sources (continued)

ESM HOOKUP

ERROR SOURCE

SYSTEM MODE

ERROR RESPONSE

group.channel

PIN MULTIPLEXING CONTROL

Mux configuration error

User/Privilege

ESM

1.37

POWER DOMAIN CONTROL

PSCON compare error

User/Privilege

ESM

1.38

PSCON self-test error

User/Privilege

ESM

1.39

eFuse Controller

eFuse Controller error

User/Privilege

ESM

3.1

eFuse Controller - Any bit set in the error status register

User/Privilege

ESM

1.40

eFuse Controller self-test error

User/Privilege

ESM

1.41

WINDOWED WATCHDOG

WWD Non-Maskable Interrupt exception

n/a

ESM

2.24

ERRORS REFLECTED IN THE SYSESR REGISTER

Power-Up Reset

n/a

Reset

n/a

Oscillator fail / PLL slip(2)

n/a

Reset

n/a

Watchdog exception

n/a

Reset

n/a

CPU Reset (driven by the CPU STC)

n/a

Reset

n/a

Software Reset

n/a

Reset

n/a

External Reset

n/a

Reset

n/a

(2)

Oscillator fail/PLL slip can be configured in the system register (SYS.PLLCTL1) to generate a reset.

4.20 Digital Windowed Watchdog

This device includes a digital windowed watchdog (DWWD) module that protects against runaway code

execution.

The DWWD module allows the application to configure the time window within which the DWWD module

expects the application to service the watchdog. A watchdog violation occurs if the application services the

watchdog outside of this window, or fails to service the watchdog at all. The application can choose to

generate a system reset or a non-maskable interrupt to the CPU in case of a watchdog violation.

The watchdog is disabled by default and must be enabled by the application. Once enabled, the watchdog

can only be disabled upon a system reset.

104

System Information and Electrical Specifications

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