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Chapter 24 LIN Controller (LINFlexD)
MPC5606BK Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
483
Figure 24-12. LINFlexD in Loop Back mode
This mode is provided for self-test functions. To be independent of external events, the LIN core ignores
the LINRX signal. In this mode, the LINFlexD performs an internal feedback from its Tx output to its Rx
input. The actual value of the LINRX input pin is disregarded by the LINFlexD. The transmitted messages
can be monitored on the LINTX pin.
24.8.2
Self Test mode
LINFlexD can be put in Self Test mode by setting LINCR1[LBKM] and LINCR1[SFTM]. This mode can
be used for a Hot Self Test, meaning the LINFlexD can be tested as in Loop Back mode but without
affecting a running LIN system connected to the LINTX
and LINRX pins. In this mode, the LINRX
pin is
disconnected from the LINFlexD and the LINTX
pin is held recessive. This is illustrated in
Figure 24-13. LINFlexD in Self Test mode
24.9
UART mode
The main features of UART mode are presented in
Section 24.2.2, UART mode features
.
24.9.1
Data frame structure
24.9.1.1
8-bit data frame
The 8-bit UART data frame is shown in
. The 8th bit can be a data or a parity bit. Parity (even,
odd, 0, or 1) can be selected by the UARTCR[PC] field. An even parity is set if the modulo-2 sum of the
7 data bits is 1. An odd parity is cleared in this case.
LINTX
LINRX
LINFlexD
Tx
Rx
LINFlexD
LINTX
LINRX
Tx
Rx
=1
Summary of Contents for MPC5605BK
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Page 20: ...MPC5606BK Microcontroller Reference Manual Rev 2 20 Freescale Semiconductor...
Page 103: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 103 Clocks and power...
Page 645: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 643 Timers...
Page 715: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 713 ADC system...
Page 787: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 787 Memory...
Page 893: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 893 Integrity...
Page 943: ...MPC5606BK Microcontroller Reference Manual Rev 2 Freescale Semiconductor 943 Debug...