參數(shù)資料
型號(hào): MCF54418CMJ250
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 50/61頁(yè)
文件大?。?/td> 0K
描述: IC MCU 32BIT 256MAPBGA
標(biāo)準(zhǔn)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(wǎng),I²C,智能卡,SPI,SSI,UART/USART,USB,USB OTG
外圍設(shè)備: DMA,PWM,WDT
輸入/輸出數(shù): 87
程序存儲(chǔ)器類(lèi)型: ROMless
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.14 V ~ 1.32 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 256-LBGA
包裝: 托盤(pán)
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Electrical characteristics
Freescale Semiconductor
54
4.26
1-Wire timing specifications
Specifications for the 1-Wire interface are provided by Maxim Integrated Products, Inc. Please refer to data sheet information
for the appropriate device at www.maxim-ic.com.
4.27
General purpose I/O timing specifications
Figure 35. GPIO timing
4.28
Rapid general purpose I/O timing specifications
RGPIO signals use a mix of pad types: pad_fsr, pad_msr, and pad_ssr. The following timing specifications assume a pad slew
rate setting of 11 and a load of 50 pF.
Table 38. GPIO timing1
1 These general purpose specifications apply to the following signals: IRQn, all UART signals, all timer
signals, FlexCAN signals, DACKn and DREQn, and all signals configured as GPIO.
Num
Characteristic
Min
Max
Unit
G1
FB_CLK high to GPIO output valid
9
ns
G2
FB_CLK high to GPIO output invalid
1
ns
G3
GPIO input valid to FB_CLK high
9
ns
G4
FB_CLK high to GPIO input invalid
1.5
ns
Table 39. RGPIO timing
Num
Characteristic
Min
Max
Unit
RG1
PST_CLK high to RGPIO output valid
6
ns
RG2
PST_CLK high to RGPIO output Invalid
0.5
ns
RG3
RGPIO input valid to PST_CLK high
6
ns
RG4
PST_CLK high to RGPIO input invalid
1.5
ns
G1
FB_CLK
GPIO Outputs
G2
G3
G4
GPIO Inputs
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