參數(shù)資料
型號: QSMRM
英文描述: QSMRM QSM Queued Serial Module Reference Manual
中文描述: QSMRM QSM排隊串行模塊參考手冊
文件頁數(shù): 31/112頁
文件大小: 1496K
代理商: QSMRM
QSM
REFERENCE MANUAL
QSPI SUBMODULE
MOTOROLA
4-3
4.2 Block Diagram
Figure 4-1
provides a block diagram of the QSPI submodule components.
Figure 4-1 QSPI Submodule Diagram
4.3 QSPI Programmer's Model and Registers
The programmer's model (memory map) for the QSPI submodule consists of the QSM
global and pin control registers (refer to
3.2 QSM Global Registers
and
3.3 QSM Pin
Control Registers
), four QSPI control registers, one status register, and the 80-byte
QSPI RAM.
Table 4-1
lists the registers and the QSPI RAM of the programmer's mod-
el. All of the registers and RAM can be read and written by the CPU. The four control
CONTROL
REGISTERS
END QUEUE
POINTER
QUEUE
POINTER
STATUS
REGISTER
DELAY
COUNTER
COMPARATOR
PROGRAMMABLE
LOGIC ARRAY
(PLA)
RAM
CHIP-SELECT
COMMAND
DONE
4
4
3
BAUD RATE
GENERATOR
PCS1–PCS3
PCS0/SS
MISO
MOSI
SCK
M
S
M
S
DATA SERIALIZER
4
QUEUE CONTROL
BLOCK
CONTROL
LOGIC
ADDRESS
REGISTER
4
CONTROL
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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