參數(shù)資料
型號: MCIMX258CVM4
廠商: Freescale Semiconductor
文件頁數(shù): 150/153頁
文件大?。?/td> 0K
描述: IC MPU I.MX25 IND 400MAPBGA
標(biāo)準(zhǔn)包裝: 90
系列: i.MX25
核心處理器: ARM9
芯體尺寸: 32-位
速度: 400MHz
連通性: 1 線,CAN,EBI/EMI,以太網(wǎng),I²C,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): 128
程序存儲器類型: 外部程序存儲器
RAM 容量: 144K x 8
電壓 - 電源 (Vcc/Vdd): 1.15 V ~ 1.52 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 3x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 400-LFBGA
包裝: 托盤
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 10
96
Freescale Semiconductor
Figure 68. SIM Clock Timing Diagram
Table 74 defines the general timing requirements for the SIM interface.
Table 74. Timing Specifications, High Drive Strength
ID
Parameter
Symbol
Min.
Max.
Unit
SI1
SIM clock frequency (SIMx_CLKy)1
1 50% duty cycle clock,
Sfreq
0.01
25
MHz
SI2
SIM clock rise time (SIMx_CLKy)2
2 With C = 50 pF
Srise
—0.09
× (1/Sfreq)ns
SI3
SIM clock fall time (SIMx_CLKy)3
3 With C = 50 pF
Sfall
—0.09
× (1/Sfreq)ns
SI4
SIM input transition time (SIMx_DATAy_RX_TX, SIMx_SIMPDy)
Strans
10
25
ns
SI5
SIM I/O rise time / fall time (SIMx_DATAy_RX_TX)4
4 With Cin = 30 pF, Cout = 30 pF,
Tr/Tf
1
μs
SI6
SIM RST rise time / fall time (SIMx_RSTy)5
5 With Cin = 30 pF,
Tr/Tf
1
μs
SIMx_CLKy
1/SI1
SI4
SIMx_DATAy_TX_RX
SIMx_SIMPDy
SI5
SIMx_DATAy_TX_RX
SI6
SIMx_RSTy
SI2
SI3
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