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參數(shù)資料
| 型號： | MC68331CPV16B1 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 16 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 54/90頁 |
| 文件大小： | 481K |
| 代理商： | MC68331CPV16B1 |
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MOTOROLA
MC68331
58
MC68331TS/D
5.4.2 QSPI Registers
The programmer's model for the QSPI submodule consists of the QSM global and pin control registers,
four QSPI control registers, one status register, and the 80-byte QSPI RAM.
The CPU can read and write to registers and RAM. The four control registers must be initialized before
the QSPI is enabled to ensure defined operation. SPCR1 should be written last because it contains
QSPI enable bit SPE. Asserting this bit starts the QSPI. The QSPI control registers are reset to a de-
fined state and can then be changed by the CPU. Reset values are shown below each register.
Refer to the following memory map of the QSPI.
Writing a different value into any control register except SPCR2 while the QSPI is enabled disrupts op-
eration. SPCR2 is buffered to prevent disruption of the current serial transfer. After completion of the
current serial transfer, the new SPCR2 values become effective.
Writing the same value into any control register except SPCR2 while the QSPI is enabled has no effect
on QSPI operation. Rewriting NEWQP in SPCR2 causes execution to restart at the designated location.
SPCR0 contains parameters for configuring the QSPI before it is enabled. The CPU can read and write
this register. The QSM has read-only access.
Pin Names
Mnemonics
Mode
Function
Master In Slave Out
MISO
Master
Slave
Serial Data Input to QSPI
Serial Data Output from QSPI
Master Out Slave In
MOSI
Master
Slave
Serial Data Output from QSPI
Serial Data Input to QSPI
Serial Clock
SCK
Master
Slave
Clock Output from QSPI
Clock Input to QSPI
Peripheral Chip Selects
PCS[3:1]
Master
Select Peripherals
Peripheral Chip Select
Slave Select
PCS0
SS
Master
Slave
Selects Peripheral
Causes Mode Fault
Initiates Serial Transfer
Address
Name
Usage
$YFFC18
SPCR0
QSPI Control Register 0
$YFFC1A
SPCR1
QSPI Control Register 1
$YFFC1C
SPCR2
QSPI Control Register 2
$YFFC1E
SPCR3
QSPI Control Register 3
$YFFC1F
SPSR
QSPI Status Register
$YFFD00
RAM
QSPI Receive Data (16 Words)
$YFFD20
RAM
QSPI Transmit Data (16 Words)
$YFFD40
RAM
QSPI Command Control (8 Words)
SPCR0 — QSPI Control Register 0
$YFFC18
15
14
13
10
9
8
7
0
MSTR
WOMQ
BITS
CPOL
CPHA
SPBR
RESET:
0
1
0
1
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68331CPV20 | 32-BIT, 20.97 MHz, MICROCONTROLLER, PQFP144 |
| MC68331CFC25 | 32-BIT, MICROCONTROLLER, PQFP132 |
| MC68331MFC16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132 |
| MC68331CFC16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132 |
| MC68332GCPV16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP144 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68331CPV20 | 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,GPT,SIM,QSM - Bulk |
| MC68331CPV20B1 | 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,GPT,SIM,QSM - Bulk |
| MC68331CPV25 | 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,GPT,SIM,QSM - Bulk |
| MC68331LPV20 | 制造商:Motorola Inc 功能描述: |
| MC68331MEH16 | 功能描述:32位微控制器 - MCU 32B MCU GPT SIM QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
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