參數(shù)資料
型號(hào)： MC9328MX21DVG
廠(chǎng)商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 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(yè)數(shù)： 25/106頁(yè)
文件大?。?/td> 1932K
代理商： MC9328MX21DVG
Specifications
MC9328MX21 Product Preview, Rev. 1.1
Freescale Semiconductor
25
Figure 8. BMI Drives Clock, MMD Read BMI Timing
(MASTER_MODE_SEL=0, MMD_MODE_SEL=1, MMD_CLKOUT=1)
Note: In this mode, the max frequency of the BMI_CLK/CS can be up to 36Mhz(double as max data pad speed).
Note: The BMI_CLK/CS can only be divided by 2,4,8,16 from HCLK.
3.8.1.4
MMD Write BMI Timing
Figure on page 26 shows the MMD write BMI timing when BMI drives BMI_CLK/CS.
When the BMI_WRITE signal is asserted, the BMI can write a 1 to READ bit of control register to issue
a WRITE cycle. This bit is cleared automatically when the WRITE operation is completed. In a WRITE
burst the MMD will write COUNT+1 data to the BMI. The user can issue another WRITE operation if the
MMD still has data to write after the first operation completed.
The BMI can latch the data either at falling edge or the next rising edge of the BMI_CLK/CS according to
the DATA_LATCH bit. When the DATA_LATCH bit is set, the BMI latch data at the next rising edge and
latch the last data using the internal clock.
BMI_WRITE signal can not be negated when the WRITE operation is proceeding.
Table 14. MMD Read BMI Timing Table when BMI Drives Clock
Item
Symbol
MIN
TYP
MAX
Unit
transfer data setup time
Tds
2
–
8
ns
transfer data hold time
Tdh
2
–
8
ns
read_req hold time
Trh
2
–
18
ns
BMI_CLK/CS
BMI_READ_REQ
BMI_WRITE
BMI_D[15:0]
TxD1
TxD2
Last TxD
1T
Tds
Trh
DMA or CPU write data to TxFIFO
Tdh
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相關(guān)代理商/技術(shù)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(chēng):Motorola, Inc 功能描述:i.MX family of microprocessors
MC9328MX21DVK 功能描述:處理器 - 專(zhuān)門(mén)應(yīng)用 DB I.MX21 PB-FR RoHS:否 制造商:Freescale Semiconductor 類(lèi)型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線(xiàn)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
MC9328MX21DVK 制造商:Freescale Semiconductor 功能描述:Microprocessor
MC9328MX21DVKR2 功能描述:處理器 - 專(zhuān)門(mén)應(yīng)用 DB I.MX21 PB-FR RoHS:否 制造商:Freescale Semiconductor 類(lèi)型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線(xiàn)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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