PXR40RM Datasheet, PDF (947/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

Enhanced Serial Communication Interface (eSCI)
26.3.2.10 LIN Receive Register (eSCI_LRR)
eSCI_BASE + 0x0014
7
6
5
4
3
2
1
R
D
W
Reset
0
0
0
0
0
0
0
Figure 26-12. LIN Receive Register (eSCI_LRR)
This register provides the data bytes of received in case of an LIN RX frame was initiated.
Table 26-15. eSCI_LRR Field Descriptions
Field
D
Description
Receive Data. This field provides the data bytes of received LIN RX frames.
Read Only
0
0
26.3.2.11 LIN CRC Polynomial Register (eSCI_LPR)
eSCI_BASE + 0x0018
0
1
2
R
W
Reset 1
1
0
3
4
5
6
7
8
9
10
11
12
P
0
0
1
0
1
1
0
0
1
1
Figure 26-13. LIN CRC Polynomial Register (eSCI_LPR)
Write: Anytime
13
14
15
0
0
1
This register provides the CRC polynom for generation and processing of CRC-enhanced LIN frames.
Table 26-16. eSCI_LPR Field Descriptions
Field
Description
P Polynomial bit x^P[n]. Used to define the LIN polynomial.
Reset value results in x¹⁵ + x¹⁴ + x¹⁰ + x⁸ + x⁷ + x⁴ + x³ + 1, which is the polynomial used for the CAN protocol.
26.3.2.12 Control Register 3 (eSCI_CR3)
eSCI_BASE + 0x001A
Write: Anytime
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R0
0
0
0
0
0
0
0
0
0
0
SYNM EROE ERFE ERPE M2
W
Reset 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 26-14. Control Register 3 (eSCI_CR3)
This register is used to control the frame formats and the generation of the ERR bit in the SCI Data Register
(ESCI_DR).
Freescale Semiconductor
PXR40 Microcontroller Reference Manual, Rev. 1
26-19