Queued Serial Multi-Channel Module
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
15-75
15.8.12 Example QSCI1 Receive Operation of 17 Data Frames
shows an example receive operation of 17 data frames. The bold type indicates the current
value for the QRPNT. Action of the queue may be followed by starting at the top of the figure and going
left to right and then down the page.
Figure 15-41. Queue Receive Example for 17 Data Bytes
0000
0111
1000
1111
QRPNT
SCRQ0
SCRQ7
SCRQ8
SCRQ15
0000
0111
1000
1111
QRPNT
SCRQ0
SCRQ7
SCRQ8
SCRQ15
Read SCSR and SCRQ[0:7]
Clear QTHF
0000
0111
1000
1111
QRPNT
SCRQ0
SCRQ7
SCRQ8
0000
0111
1000
1111
QRPNT
SCRQ0
SCRQ7
0001
Data
Available
Received
Space
QTHF Interrupt Received
SCRQ15
Read SCRQ[8:15]
Clear QBHF
QBHF Interrupt Received
SCRQ8
SCRQ15
Clear QRE/RE
Receive Queue Enabled
Read SCRQ0
IDLE Interrupt Received
1
2
3
4
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...