PXR40RM Datasheet, PDF (951/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

Enhanced Serial Communication Interface (eSCI)
26.4.2.1.1 Inverted Data Frame Formats
The structures of the supported data frame formats in inverted polarity are shown in Figure 26-19. These
frame types are supported for reception only. The polarity of the RXD pin is controlled by the RXPOL bit
in the Control Register 2 (eSCI_CR2).
START
BIT
START
BIT
STOP
BIT
STOP STOP
BIT
BIT
Figure 26-19. Inverted SCI Frame Formats
26.4.2.2 Break Character Formats
The supported break character formats are specified in Table 26-20.
Table 26-20. Supported Break Character Formats
Control¹
Break Character Content
eSCI_CR3 eSCI_CR1 eSCI_CR2
M2
M
BRCL
Start
Bit
Character
Bits
Delemit
Bits
LIN Break Symbol (see Figure 26-20)
0
0
0
1
9
1
0
0
1
1
12
1
SCI Break Character (see Figure 26-21)
0
0
0
1
9
0
0
0
1
1
12
0
0
1
0
1
10
0
0
1
1
1
13
0
1 _{All codings which are not listed are reserved and must not be used.}
The structure and content of the LIN break symbols is shown in Figure 26-20.
START
Break
BIT BIT0 BIT1 BIT2 BIT3 BIT4 BIT5 BIT6 BIT7 BIT8 Delemit
START
Break
BIT BIT0 BIT1 BIT2 BIT3 BIT4 BIT5 BIT6 BIT7 BIT8 BIT9 BIT10 BIT11 Delemit
Figure 26-20. LIN Break Symbol Format
The structure and content of the SCI break characters is shown in Figure 26-21.
Freescale Semiconductor
PXR40 Microcontroller Reference Manual, Rev. 1
26-23