mcf51ac256a Freescale Semiconductor, Inc, mcf51ac256a Datasheet - Page 411

• Manufacturer Part Number: mcf51ac256a
• Description: Mcf51ac Flexis
• Manufacturer: Freescale Semiconductor, Inc

Figure 18-2
Freescale Semiconductor
From RxD Pin
LOOPS
RXINV
RSRC
Transmitter
From
Rate Clock
Active Edge
16 × Baud
shows the receiver portion of the SCI.
Detect
Loop Control
Single-Wire
PE
PT
MCF51AC256 ColdFire Integrated Microcontroller Reference Manual, Rev. 5
Internal Bus
Data Recovery
LBKDE
WAKE
Divide
By 16
Figure 18-2. SCI Receiver Block Diagram
ILT
Checking
M
Parity
Serial Communication Interface (SCI)Serial Communications Interface (SCIV4)
Wakeup
Logic
(Read-only)
SCID – Rx Buffer
H
RXEDGIF
RXEDGIE
LBKDIE
LBKDIF
8
RDRF
11-Bit Receive Shift Register
ORIE
IDLE
NEIE
FEIE
PEIE
ILIE
RIE
OR
NF
FE
PF
7
6
5
RWU
Shift Direction
4
3
2
RWUID
1
0
L
Rx Interrupt
Request
Error Interrupt
Request
18-3