Queued Serial Multi-Channel Module
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
15-73
15.8.10 QSCI1 Receive Flow Chart Implementing the Queue
Figure 15-39. Queue Receive Flow
RE=0, QRWE=0
QRPNT=0000
Set QRE
Load RX Data to
QRPNT = 0000?
No
Yes
SCRQ[QRPNT],
QRE=0, QOR=0
Hardware
Software
Refers to Action Performed
In Parallel
QTHF=1, QBHF=1
QTHFI=0, QBHFI=0
No
Yes
Set QTHFI, QBHFI
Clear QTHF, QBHF
Set RE
Reset
Increment QRPNT
QRE, RE=1?
No
Yes
QRE/RE=1
QTHF/QOR=0
FE/PE/OR=0
QRPNT=8 & QBHF
QRPNT=0 & QTHF
FE, PE = 0?
QRPNT = 1000?
Reset QRPNT to 0000
RDRF=1?
Clear QRE
Set QTHF
Set QBHF
Yes
No
No
Set QOR
Clear QTHF
Clear QBHF
Yes
Yes
No
No
Yes
Summary of Contents for MPC561
Page 84: ...MPC561 MPC563 Reference Manual Rev 1 2 lxxxiv Freescale Semiconductor...
Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
Page 854: ...Time Processor Unit 3 MPC561 MPC563 Reference Manual Rev 1 2 19 24 Freescale Semiconductor...
Page 968: ...Development Support MPC561 MPC563 Reference Manual Rev 1 2 23 54 Freescale Semiconductor...
Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
Page 1212: ...TPU3 ROM Functions MPC561 MPC563 Reference Manual Rev 1 2 D 60 Freescale Semiconductor...
Page 1216: ...Memory Access Timing MPC561 MPC563 Reference Manual Rev 1 2 E 4 Freescale Semiconductor...