MC68F375BGMZP33 Freescale Semiconductor, MC68F375BGMZP33 Datasheet - Page 305

• Manufacturer Part Number: MC68F375BGMZP33
• Description: IC MPU 32BIT 33MHZ 217-PBGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68F375BGMZP33

• Processor Type: M683xx 32-Bit
• Speed: 33MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 217-PBGA
• Processor Series: M683xx
• Core: CPU32
• Data Bus Width: 32 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 10 KB
• Interface Type: SPI, SCI, CAN
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 16
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 16 Channel
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Lead Free Status / Rohs Status: No

6.9.12 Example QSCI1 Receive Operation of 17 Data Frames
MC68F375
REFERENCE MANUAL
Figure 6-20
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.
3
QRPNT
QRPNT
1
0000
0111
1000
1111
0000
0111
1000
1111
QBHF Interrupt Received
Receive Queue Enabled
Read SCRQ[8:15]
Clear QBHF
Figure 6-20 Queue Receive Example for 17 Data Bytes
SCRQ[0]
SCRQ[0]
SCRQ[7]
SCRQ[8]
SCRQ[15]
shows an example receive operation of 17 data frames. The bold type
SCRQ[7]
SCRQ[8]
SCRQ[15]
Freescale Semiconductor, Inc.
QUEUED SERIAL MULTI-CHANNEL MODULE
For More Information On This Product,
Go to: www.freescale.com
Rev. 25 June 03
QRPNT
2
QRPNT
4
0000
0001
0111
1000
1111
0000
0111
1000
1111
QTHF Interrupt Received
IDLE Interrupt Received
Clear QRE/RE
Read SCRQ[0]
Read SCSR and SCRQ[0:7]
Clear QTHF
SCRQ[0]
SCRQ[0]
SCRQ[7]
SCRQ[8]
SCRQ[15]
SCRQ[7]
SCRQ[8]
SCRQ[15]
MOTOROLA
Data
Received
Available
Space
6-71