參數(shù)資料
型號(hào)： MCIMX31
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Multimedia Applications Processors
中文描述： 多媒體應(yīng)用處理器
文件頁數(shù)： 88/170頁
文件大?。?/td> 1562K
代理商： MCIMX31
i.MX31/i.MX31L Advance Information, Rev. 1.4
88
Freescale Semiconductor
Preliminary
Electrical Characteristics
NOTE
High is defined as 80% of signal value and low is defined as 20% of signal
value.
NOTE
Timing for HCLK is 133 MHz and internal LCLK (flash clock) is 33.25 MHz
(30 ns). All timings are listed according to this LCLK frequency.
4.3.9.2
Wireless External Interface Module (WEIM)
All WEIM output control signals may be asserted and deasserted by internal clock related to BCLK rising
edge or falling edge according to corresponding assertion/negation control fields. Address always begins
related to BCLK falling edge but may be ended both on rising and falling edge in muxed mode according
to control register configuration. Output data begins related to BCLK rising edge except in muxed mode
where both rising and falling edge may be used according to control register configuration. Input data,
ECB and DTACK all captured according to BCLK rising edge time.
Figure 29
depicts the timing of the
WEIM module, and
Table 33
lists the timing parameters.
NOTE
ECB and DTACK signals mentioned in this section can be connected to one
input pad—ECB, although the WEIM design has those two signals as
individual inputs. In this case, this PAD will be connected to the 2 WEIM
inputs.
NF6_one
NFALE Setup Time
tALS
30
–
ns
NF7_one
NFALE Hold Time
tALH
30
–
ns
NF8_one
Data Setup Time
tDS
15
–
ns
NF9_one
Data Hold Time
tDH
15
–
ns
NF10_one
Write Cycle Time
tWC
30
–
ns
NF11_one
NFWE Hold Time
tWH
15
–
ns
NF12_one
Ready to NFRE Low
tRR
180
–
ns
NF13_one
NFRE Pulse Width
tRP
15
–
ns
NF14_one
READ Cycle Time
tRC
30
–
ns
NF15_one
NFRE High Hold Time
tREH
15
–
ns
NF16_one
Data Setup on READ
tDSR
12
–
ns
NF17_one
Data Hold on READ
tDHR
5
–
ns
Table 32. NFC Target Timing Parameters—One Flash Clock Cycle (continued)
ID
Parameter
Symbol
Min
Max
Unit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCIMX31_07 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processors
MCIMX31_08 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processors
MCIMX31_09 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Multimedia Applications Processors
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MCIMX31ADSE/C 功能描述:開發(fā)板和工具包 - ARM I.MX31 APP DEV SYS RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評(píng)估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V
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