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Enhanced Serial Communication Interface (eSCI)
MPC5566 Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor
21-25
Figure 21-15. Fast Bit Error Detection Timing Diagram
21.4.5
Receiver
illustrates the eSCI receiver.
Figure 21-16. eSCI Receiver Block Diagram
21.4.5.1
Receiver Character Length
The eSCI receiver accepts 8-bit or 9-bit data characters. The state of the M bit in eSCI control register 1
(ESCI
x
_CR1) determines the bit-length of data characters. When receiving 9-bit data, bit R8 in the eSCI
data register (ESCI
x
_DR) is the ninth bit (bit 8).
Clock
BESM13 = 0
BESM13 = 1
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
RT Clock
Count
TX Output
Shift Reg
RX Input
Shift Reg
Compare
Sample
Points
RXD
H 8
7
6
5
4
3
2
1
0
L
11-bit Receive shift register
STOP
START
MSB
BAUD divider
Bus
Clock
SBR0–SBR12
ILIE
IDLE
LOOP control
IDLE
interrupt
request
RIE
RDRF/OR
interrupt
request
RSRC
LOOPS
TXD
Internal Bus
SCI data registers
Data recovery
RAF
RE
WAKE
M
ILT
Wake-up
logic
All 1s
Parity
checking
PE
PT
NF
FE
PE
RDRF
OR
R8
RWU
Summary of Contents for MPC5566
Page 81: ...Introduction MPC5566 Microcontroller Reference Manual Rev 2 1 24 Freescale Semiconductor...
Page 135: ...Signal Description MPC5566 Microcontroller Reference Manual Rev 2 2 54 Freescale Semiconductor...
Page 189: ...Reset MPC5566 Microcontroller Reference Manual Rev 2 4 20 Freescale Semiconductor...
Page 603: ...Flash Memory MPC5566 Microcontroller Reference Manual Rev 2 13 38 Freescale Semiconductor...
Page 609: ...SRAM MPC5566 Microcontroller Reference Manual Rev 2 14 6 Freescale Semiconductor...
Page 1073: ...MPC5566 Microcontroller Reference Manual Rev 2 22 36 Freescale Semiconductor...
Page 1185: ...Nexus MPC5566 Microcontroller Reference Manual Rev 2 25 92 Freescale Semiconductor...