参数资料
型号: MC68332GCPV20
厂商: Freescale Semiconductor
文件页数: 69/88页
文件大小: 0K
描述: IC MCU 32BIT 20MHZ GMASK 144LQFP
标准包装: 60
系列: M683xx
核心处理器: CPU32
芯体尺寸: 32-位
速度: 20MHz
连通性: EBI/EMI,SCI,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 15
程序存储器类型: ROMless
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 144-LQFP
包装: 托盘
MC68332
MOTOROLA
MC68332TS/D
71
6.5 QSPI Submodule
The QSPI submodule communicates with external devices through a synchronous serial bus. The QSPI
is fully compatible with the serial peripheral interface (SPI) systems found on other Motorola products.
A block diagram of the QSPI is shown below.
Figure 14 QSPI Block Diagram
6.5.1 QSPI Pins
Seven pins are associated with the QSPI. When not needed for a QSPI application, they can be con-
figured as general-purpose I/O pins. The PCS0/SS pin can function as a peripheral chip select output,
slave select input, or general-purpose I/O. Refer to the following table for QSPI input and output pins
and their functions.
QSPI BLOCK
CONTROL
REGISTERS
END QUEUE
POINTER
QUEUE
POINTER
STATUS
REGISTER
DELAY
COUNTER
COMPARATOR
PROGRAMMABLE
LOGIC ARRAY
80-BYTE
QSPI RAM
CHIP SELECT
COMMAND
DONE
4
3
BAUD RATE
GENERATOR
PCS [3:1]
PCS0/SS
MISO
MOSI
SCK
M
S
M
S
8/16-BIT SHIFT REGISTER
Rx/Tx DATA REGISTER
MSB
LSB
4
QUEUE CONTROL
BLOCK
CONTROL
LOGIC
ADDRESS
REGISTER
4
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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