TMS470PLF111 datasheet(16/63 Pages) TI

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TMS470PLF111

16/32-BIT RISC FLASH MICROCONTROLLER

SPNS113 – OCTOBER 2006

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251-1443

interrupt priority (VIM)

The vectored interrupt module (VIM) provides a fully programmable priority scheme. Interrupt requests origi-

nating from the PLF111 peripheral modules (i.e., SPI; LIN1 or LIN2; RTI; etc.) are assigned to channels within

the 32-channel VIM where, via programmable register mapping, the interrupt priority of the channels can be

changed. Programming multiple interrupt sources to the same VIM channel effectively shares the VIM channel

between sources.

The VIM request channels are maskable so that individual channels can be selectively disabled. All interrupt

requests can be programmed in the VIM to be of either type:

Fast interrupt request (FIQ)

Normal interrupt request (IRQ)

The VIM prioritizes interrupts. The precedences of request channels decrease with ascending channel order

in the VIM (0 [highest] and 31 [lowest] priority). For VIM default mapping, channel priorities, and their associated

modules, see Table 6, Interrupt Priority (VIM).

Table 6. Interrupt Priority (VIM)

MODULES

INTERRUPT SOURCES

DEFAULT VIM

INTERRUPT REQUEST

MAPPING

System

System error

System

SW interrupt (SSI)

RTI

RTI compare interrupt 0

RTI

RTI compare interrupt 1

RTI

RTI compare interrupt 2

RTI

RTI compare interrupt 3

RTI

RTI overflow interrupt 0

RTI

RTI overflow interrupt 1

RESERVED

GIO

GIO interrupt A

GIO

GIO interrupt B

HET

HET level 0 interrupt

HET

HET level 1 interrupt

SPI1

SPI1 level 0 interrupt

SPI1

SPI1 level 1 interrupt

LIN2

LIN2 level 0 interrupt

LIN2

LIN2 level 1 interrupt

SCC

SCC level 0 interrupt

SCC

SCC level 1 interrupt

ADC

ADC level 0 interrupt

ADC

ADC level 1 interrupt

I2C

I2C level 0 interrupt

I2C

I2C level 1 interrupt

FLASH ECC

Flash ECC interrupt

RESERVED

C2SIb

C2SIb interrupt

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