參數(shù)資料
型號(hào)： MC9328MX21CJM
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 17/100頁(yè)
文件大?。?/td> 0K
描述： MPU I.MX21 289-MAPBGA
特色產(chǎn)品： MC9328MX21 Multimedia Processor
標(biāo)準(zhǔn)包裝： 90
系列： i.MX21
核心處理器： ARM9
芯體尺寸： 32-位
速度： 266MHz
連通性： 1 線，EBI/EMI，I²C，IrDA，MMC，智能卡，SPI，SSI，UART/USART，USB OTG
外圍設(shè)備： DMA，I²S，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 192
程序存儲(chǔ)器類型： ROMless
電壓 - 電源 (Vcc/Vdd)： 1.45 V ~ 3.3 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 289-LFBGA
包裝： 托盤(pán)
產(chǎn)品目錄頁(yè)面： 732 (CN2011-ZH PDF)
Specifications
MC9328MX21 Technical Data, Rev. 3.4
Freescale Semiconductor
23
Figure 7. MMD (ATI) Drives Clock, MMD Write BMI Timing
(MMD_MODE_SEL=1, MASTER_MODE_SEL=0, MMD_CLKOUT=0)
Note:
All timings assume that the hclk is running at 133 MHz.
Note:
At this mode, the maximum frequency of the BMI_CLK/CS can be up to 36 MHz (doubles as maximum data pad speed).
3.8.1.2
BMI Drives the BMI_CLK/CS
In this mode MMD_MODE_SEL and MMD_CLKOUT are both set. The software must know which
mode it is now (READ or WRITE). When the BMI_WRITE is high, BMI drives BMI_CLK/CS out if the
TxFIFO is not emptied. When BMI_WRITE is low, user can write a 1 to READ bit of control register1 to
issue a write cycle (MMD write BMI).
3.8.1.3
MMD Read BMI Timing
Figure 13 shows the MMD read BMI timing when BMI drives the BMI_CLK/CS. When the BMI_WRITE
is high, the BMI drives BMI_CLK/CS out if data is written to TxFIFO (BMI_READ_REQ become high),
BMI puts data into data bus and enable data out on the rising edge of BMI_CLK/CS. The MMD devices
can latch the data on each falling edge of BMI_CLK/CS.
It is recommended that the MMD do not change the BMI_WRITE signal from high to low when the
BMI_READ_REQ is asserted. If user writes data to the TxFIFO when the BMI_WRITE is low, the BMI
will drive BMI_CLK/CS out once the BMI_WRITE is changed from low to high.
Table 15. MMD Write BMI Timing
Item
Symbol
Minimum
Typical
Maximum
Unit
write setup time
Ts
11
–
ns
write
h
old
t
ime
Th
0––
ns
receive data setup time
Tds
5
–
ns
Can be asserted any time
BMI_CLK/CS
BMI_READ_REQ
BMI_WRITE
BMI_D[15:0]
RxD1
RxD2
Last RxD
Ts
Tds
Th
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9328MX21CJM 制造商:Freescale Semiconductor 功能描述:IC 32BIT MPU 266MHZ BGA-289
MC9328MX21CJMR2 功能描述:處理器 - 專門(mén)應(yīng)用 DB I.MX21 17X17 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
MC9328MX21CVG 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:i.MX family of microprocessors
MC9328MX21CVH 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:i.MX family of microprocessors
MC9328MX21CVK 功能描述:處理器 - 專門(mén)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
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