TLE8262E datasheet(74/93 Pages) INFINEON

74 / 93 page

Data Sheet

Rev. 1.0, 2009-03-31

TLE8262E

Serial Peripheral Interface

15.5.2

SBC Configuration Setting and Read Out

15.5.2.1 Mode selection bits and configuration select

Table 14 lists the encoding of the possible SBC mode. Except SBC Restart and Init Mode which are most of time

entered automatically, all others SBC mode are accessible on request of the microcontroller. The microcontroller

should send the correct mode selection bits to set the SBC in the respective mode. The output indicates the SBC

mode where the SBC currently is or was, depending on the situation.

Table 15 lists the eight possible configuration selection. Some are related to event or state of the different part of

the SBC, others are used to configure the SBC in the application specific set up.

Table 14

Mode Selection Bits

MS2 MS1 MS0

Data Input

Data Output

Not valid (the complete SPI word is ignored) Show the device was in Init previous SPI data

Set the SBC to SBC Restart Mode.

(In SW Flash mode only)

Show the device was in Restart previous SPI

data

Set the SBC to Software Flash Mode

Show the device is SBC Software Flash Mode

Set the SBC to SBC Normal Mode

Show the device is in SBC Normal Mode

Set the SBC to SBC Sleep Mode

Show the device was in SBC Sleep Mode

Set the SBC to SBC Stop Mode

Show the device is in SBC Stop Mode

Set the SBC to SBC Fail-Safe Mode

(In SBC Software Development mode only)

Show the device was in SBC Fail-Safe Mode

Set the SBC to Read Only SPI access. The

configuration register needs to be selected.

The SPI information on SDO is provided in

the same SPI frame. No write access is

done in this mode.

Bit 15 (Watchdog) has to be served

correctly.

Reserved

Table 15

Configuration Select Encoder (for Data Input and Output)

CS2

CS1

CS0

Configuration Register Select

Wake Register Interrupt

SBC Failure Interrupt

Communication Failure Interrupt

Reserved

SBC Configuration Register

Communication Setup Register

Watchdog Configuration Register

Limp Home / Diagnosis Register

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