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參數(shù)資料
| 型號： | MC9328MX21DVG |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 266 MHz, MICROPROCESSOR, PBGA289 |
| 封裝： | 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, MAPBGA-289 |
| 文件頁數(shù)： | 29/106頁 |
| 文件大?。?/td> | 1932K |
| 代理商： | MC9328MX21DVG |
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Specifications
MC9328MX21 Product Preview, Rev. 1.1
Freescale Semiconductor
29
Figure 12. Memory Interface Master Mode, BMI Write to External Slave Device Timing with Wait Signal
(MMD_MODE_SEL=0, MASTER_MODE_SEL=1,WAIT=1)
Figure 13 shows the BMI read timing when the WAIT bit is set. As write timing, when the BMI_READ is
asserted, the BMI will detect the BMI_WAIT signal on every falling edge of the Int_Clk. When it detected
the high level of the BMI_WAIT, the BMI_READ will be negated after 1+WS Int_Clk period. If the
BMI_WAIT is always high or already high before BMI_READ is asserted, this timing will same as
without WAIT signal. So the BMI_READ will be asserted at least for 1+WS Int_Clk period.
Figure 13. Memory Interface Master Mode, BMI Read to External Slave Device Timing with Wait Signal
(MMD_MODE_SEL=0, MASTER_MODE_SEL=1,WAIT=1)
3.9
SPI Timing Diagrams
To use the internal transmit (TX) and receive (RX) data FIFOs when the SPI 1 module is configured as a
master, two control signals are used for data transfer rate control: the SS signal (output) and the SPI_RDY
signal (input). The SPI 1 Sample Period Control Register (PERIODREG1) and the SPI 2 Sample Period
Control Register (PERIODREG2) can also be programmed to a fixed data transfer rate for either SPI 1 or
SPI 2. When the SPI 1 module is configured as a slave, the user can configure the SPI 1 Control Register
(CONTROLREG1) to match the external SPI master’s timing. In this configuration, SS becomes an input
1+ws
Int_Clk
BMI_CLK/CS
BMI_D[15:0]
BMI_WRITE
BMI_READ
BMI_WAIT
(reference only)
TXD_a
TXD_b
1+ws
Int_Clk
BMI_CLK/CS
BMI_D[15:0]
BMI_READ
BMI_WRITE
BMI_WAIT
(reference only)
RXD_a
RXD_b
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC9328MX21DVGR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC9328MX21DVH | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:i.MX family of microprocessors |
| MC9328MX21DVK | 功能描述:處理器 - 專門應用 DB I.MX21 PB-FR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| MC9328MX21DVK | 制造商:Freescale Semiconductor 功能描述:Microprocessor |
| MC9328MX21DVKR2 | 功能描述:處理器 - 專門應用 DB I.MX21 PB-FR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
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