MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 494

• 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
Normally, the SPI bus performs synchronous bi-directional transfers. The serial clock
on the SPI bus master supplies the clock signal SCK to time the transfer of data. Four
/
Increment Working
MPC556
Last Command
Queue Pointer
in the Queue?
or FREEZE
Asserted?
Is this the
Is HALT
Figure 14-11 Flowchart of QSPI Slave Operation (Part 2)
C2
A2
N
N
QUEUED SERIAL MULTI-CHANNEL MODULE
Y
Y
Rev. 15 October 2000
SPIFIE Set?
Halt QSPI and
Set HALTA
Is Interrupt
Enable Bit
Status Flag
Disable QSPI
Is Interrupt
HMIE Set?
Set SPIF
Enable Bit
Or FREEZE
Asserted?
Enable Bit
Is HALT
Asserted?
Is Wrap
N
N
N
A2
N
Y
Y
Y
Y
Pointer To NEWQP or 0x0000
Request Interrupt
Reset Working Queue
Request Interrupt
QSPI SLV2 FLOW6
MOTOROLA
14-32