MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 530

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

Specifications of MPC555CME

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Processor To Be Evaluated: MPC555
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: MPC555
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

14.9.8 QSCI1 Receiver Block Diagram
14.9.9 QSCI1 Additional Receive Operation Features
MPC555
USER’S MANUAL
Receiver Baud Rate
Clock
SCI1 Non-Queue Operation
The block diagram of the enhancements to the SCI receiver is shown below in
14-20.
• Available on a single SCI channel (SCI1) implemented by the queue receiver en-
• When the queue is disabled (QRE = 0), the SCI functions in single buffer receive
/
able (QRE) bit set by software. When the queue is enabled, software should ig-
nore the RDRF bit.
mode (as originally designed) and RDRF and OR function as previously defined.
MPC556
RxD
Figure 14-20 Queue Receiver Block Enhancements
Queue Control
QUEUED SERIAL MULTI-CHANNEL MODULE
H (8) 7 6 5 4 3 2 1 0 L
Rev. 15 October 2000
SCxDR Rx BUFFER
10 (11) - BIT
Rx Shift Register
Queue Status
4-bits
Queue Control
Logic
SCI Interrupt Request
SCRQ[0]
SCRQ[1]
SCRQ[15]
MOTOROLA
Figure
Data Bus
14-68