參數資料
型號: MCF54418CMJ250
廠商: Freescale Semiconductor
文件頁數: 31/61頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 256MAPBGA
標準包裝: 450
系列: MCF5441x
核心處理器: Coldfire V4
芯體尺寸: 32-位
速度: 250MHz
連通性: 1 線,CAN,EBI/EMI,以太網,I²C,智能卡,SPI,SSI,UART/USART,USB,USB OTG
外圍設備: DMA,PWM,WDT
輸入/輸出數: 87
程序存儲器類型: ROMless
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.14 V ~ 1.32 V
數據轉換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 256-LBGA
包裝: 托盤
Electrical characteristics
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Freescale Semiconductor
37
All ULPI signals use pad type pad_fsr. The following timing specifications assume a pad slew rate setting of 11 and a load of
50 pF.1
Figure 19. ULPI timing diagram
4.15
eSDHC timing specifications
This section describes the electrical information of the eSDHC.
All eSDHC signals use pad type pad_msr. The following timing specifications assume a pad slew rate setting of 11 and a load
of 50 pF.2
1.These timing parameters are specified assuming maximum operating frequency and the fastest pad slew rate setting
(11). When operating this interface at lower frequencies, increase the slew rate by using the 10, 01, or 00 setting to
increase edge rise and fall times, thus reducing EMI.
Table 19. ULPI interface timing
Num
Characteristic
Min
Nominal
Max
Units
USB_CLKIN operating frequency
60
MHz
USB_CLKIN duty cycle
50
%
U1
USB_CLKIN clock period
16.67
ns
U2
Input setup (control and data)
5.0
ns
U3
Input hold (control and data)
1.0
ns
U4
Output valid (control and data)
9.5
ns
U5
Output hold (control and data)
1.0
ns
2.These timing parameters are specified assuming maximum operating frequency and the fastest pad slew rate setting
(11). When operating this interface at lower frequencies, increase the slew rate by using the 10, 01, or 00 setting to
increase edge rise and fall times, thus reducing EMI.
ULPI_DATA[7:0]
(Data Output)
ULPI_DATA[7:0]
(Data Input)
ULPI_DIR / ULPI_NXT
(Control Input)
ULPI_STP
(Control Output)
USB_CLKIN
U1
U2
U3
U4
U5
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