mc68331cpv20b1 Freescale Semiconductor, Inc, mc68331cpv20b1 Datasheet - Page 132

• Manufacturer Part Number: mc68331cpv20b1
• Description: Mc68331 32 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

6
6.3.1 QSPI Registers
6-6
The programmer's model for the QSPI consists of the QSM global and pin control reg-
isters, four QSPI control registers (SPCR[0:3]), a status register (SPCR), and the 80-
byte QSPI RAM.
Registers and RAM can be read and written by the CPU. Refer to APPENDIX D REG-
ISTER SUMMARY for register bit and field definitions.
PROGRAMMABLE
QUEUE CONTROL
LOGIC ARRAY
COMPARATOR
END QUEUE
REGISTERS
REGISTER
CONTROL
COUNTER
CONTROL
POINTER
POINTER
STATUS
QUEUE
BLOCK
DELAY
LOGIC
Freescale Semiconductor, Inc.
DONE
4
For More Information On This Product,
Figure 6-2 QSPI Block Diagram
4
QUEUED SERIAL MODULE
4
Go to: www.freescale.com
4
REGISTER
ADDRESS
CHIP SELECT
COMMAND
MSB
8/16-BIT SHIFT REGISTER
Rx/Tx DATA REGISTER
3
QSPI RAM
80-BYTE
LSB
GENERATOR
BAUD RATE
M
M
S
S
USER’S MANUAL
PCS0/SS
PCS [3:1]
MOSI
MISO
SCK
QSPI BLOCK
MC68331