MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 527

• 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

MPC555
USER’S MANUAL
/
MPC556
Read Status Register with TC = 1,
Write SCTQ[0:n] (Clears TC)
Read Status Register with QTHE=1
Write QTHE = 0 (and QBHE if
Transmitting More than 8 Data
Frames)
If Transmitting Greater
Than 8 Data Frames on Wrap
Read QBHE=1,Write QBHE=0
Write New Data to SCTQ[8:15]
No
Write QTSZ=n for First
Pass Use of the Queue
Enable Queue Interrupt
QTHEI = 1,
If Transmitting Greater
than 16 Data Frames,
Enable Queue Interrupt
QBHEI = 1
Set QTE and TE = 1
Figure 14-17 Queue Transmit Software Flow
QTHE = 1?
QBHE = 1?
Reset
QUEUED SERIAL MULTI-CHANNEL MODULE
No
Yes
Yes
Rev. 15 October 2000
If Finished Transmitting,
Then Clear QTE and/or TE
Read QTHE=1, Write QTHE=0
Write New Data SCTQ[0:7]
Must Have Equaled 16)
To Wrap, Write New QTSZ=n
Set QTWE (Previous QTSZ
Configure the Transmit Flow
for First Use of the Queue.
DONE
If Finished Transmitting,
Then Clear QTE and/or TE
DONE
MOTOROLA
14-65