Peripherals

TN0108

14/26

Doc ID 15874 Rev 2

5.6

ADC abort modification

On Cut 1.1 devices, if an ADC conversion chain is to be aborted, this does not happen

immediately. All conversions of the chain need to be aborted individually, resulting in a delay

before a new conversion chain can be issued.

On Cut 2 devices, an “ABORTCHAIN” bit has been added to the ADC_MCR (Main

Configuration Register). The exact behavior is dependent on the Mode bit. In summary,

setting the ABORTCHAIN bit immediately aborts all conversion chains. As soon as a new

conversion is requested, the ABORTCHAIN bit is automatically cleared. Depending on

mode, an ECH (end of chain) interrupt is generated and the NSTART and JSTART bits are

also cleared. For more details consult the device reference manual.

5.7

ADC offset calculation

Cut 1.1 devices have an ADC offset calculation mechanism. This was proven not to improve

the overall ADC performance, as the intrinsic ADC precision is better than the offset

calculation resolution.

The offset calculation mechanism has been removed for Cut 2 devices.

5.8

LINFlex slave configuration change

Cut 1.1 devices have LIN slave features on all of the four LINFlex modules (each slave port

has eight identifiers filters).

On Cut 2 devices, there is only one LINFlex module (LinFlex 0) that provides slave

functionality. The remaining three LINFlex modules have been changed to master only.

Customers must ensure that if they are using the LINFlex in slave mode on Cut 1.1, the

application code will need to be changed, if this was not using LINFlex channel zero.

Table 12.

ADC conversion chain abort

Silicon revision

Chain abort mechanism

SPC560B Cut 1.1

Individual abort for each conversion

SPC560B Cut 2

Immediate via ABORTCHAIN

Table 13.

LINFlex configuration

Silicon revision

LINFlex 0

LINFlex 1

LINFlex 2

LINFlex 3

Master

Slave

Master

Slave

Master

Slave

Master

Slave

SPC560B Cut 1.1

•

•

•••

••

•

SPC560B Cut 2

•

•

•

-

•

-

•

-