參數(shù)資料
型號(hào)： MC9328MX21VK
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 266 MHz, MICROPROCESSOR, PBGA289
封裝： 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, MAPBGA-289
文件頁(yè)數(shù)： 22/100頁(yè)
文件大?。?/td> 1979K
代理商： MC9328MX21VK
MC9328MX21 Technical Data, Rev. 3.4
28
Freescale Semiconductor
Specifications
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
CSPI Timing Diagrams
To use the internal transmit (TX) and receive (RX) data FIFOs when the CSPI1 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 CSPI1
or CSPI2. When the CSPI1 module is configured as a slave, the user can configure the SPI 1 Control
Register (CONTROLREG1) to match the external CSPI master’s timing. In this configuration, SS
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
相關(guān)PDF資料
PDF描述
MC9328MX21DVK 32-BIT, 266 MHz, MICROPROCESSOR, PBGA289
MC9328MX21VH 266 MHz, MICROPROCESSOR, PBGA289
MC9328MX21CVG 266 MHz, MICROPROCESSOR, PBGA289
MC9328MX21CVH 266 MHz, MICROPROCESSOR, PBGA289
MC9328MX21DVH 266 MHz, MICROPROCESSOR, PBGA289
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9328MX21VK 制造商:Freescale Semiconductor 功能描述:Microprocessor
MC9328MX21VKR2 功能描述:處理器 - 專門應(yīng)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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MC9328MX21VM 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 17X17 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
MC9328MX21VM 制造商:Freescale Semiconductor 功能描述:Microprocessor
MC9328MX21VMR2 功能描述:處理器 - 專門應(yīng)用 DB I.MX21 17X17 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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
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