PXN20RM Datasheet, PDF (998/1376 Pages) Freescale Semiconductor, Inc – PXN20 Microcontroller

Enhanced Serial Communication Interface (eSCI)
Field
RWU
SBK
Table 31-3. eSCI_CR1 Field Descriptions (continued)
Description
Receiver Wake-Up Mode. This bit controls and indicates the receiver wake-up mode, which is described in
Section 31.4.5.5, Multiprocessor Communication.
0 Normal receiver operation.
1 Receiver is in wake-up mode.
Note: This bit should be set in SCI mode only.
Send Break Character. This bit controls the transmission of break characters, which is described in
Section 31.4.5.2.7, Break Character Transmission.
0 No break characters are transmitted.
1 Break characters are transmitted.
Note: This bit should be set in SCI mode only.
Table 31-4. Receive Source Mode Selection
LOOPS
0
0
1
1
RSCR
0
1
0
1
Receiver Input Mode
Dual Wire Mode
Reserved
Loop Mode
Single Wire Mode
31.3.2.3 eSCI Control Register 2 (eSCI_CR2)
This register provides bits to configure the functionality of the module, and interrupt enable bits for the
interrupt flags provided in eSCI Interrupt Flag and Status Register 1 (eSCI_IFSR1) and control bits for the
transmitter and receiver.
Offset: ESCI_BASE + 0x0004
Access: User read/write
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
MDIS
W
FBR
BSTP
BERR
IE
RX
DMA
TX
DMA
BRCL
TX
DIR
BE
SM
BE
STP
RX
POL
P
MSK
ORIE
NFIE
FEIE
PFIE
Reset 1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 31-4. eSCI Control Register 2 (eSCI_CR2)
31-8
PXN20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor