參數(shù)資料
型號(hào): MCF54417CMJ250
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 21/61頁(yè)
文件大小: 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
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Electrical characteristics
Freescale Semiconductor
28
Figure 9. Typical crystal circuit
4.9
Reset timing specifications
Table 15 lists specifications for the reset timing parameters shown in Figure 10.
Table 15. Reset and configuration override timing
Num
Characteristic
Min
Max
Unit
R11
1 RESET and configuration override data lines are synchronized internally. Setup and hold times must be met only if
recognition on a particular clock is required.
RESET valid to FB_CLK (setup)
9
ns
R2
FB_CLK to RESET invalid (hold)
1.5
ns
R3
RESET valid time2
2 During low power STOP, the synchronizers for the RESET input are bypassed and RESET is asserted asynchronously
to the system. Thus, RESET must be held a minimum of 100 ns.
5
FB_CLK cycles
R4
FB_CLK to RSTOUT valid
10
ns
R5
RSTOUT valid to Configuration Override inputs valid
0
ns
R6
Configuration Override inputs valid to RSTOUT invalid (setup)
20
FB_CLK cycles
R7
Configuration Override inputs invalid after RSTOUT invalid (hold)
0
ns
R8
RSTOUT invalid to Configuration Override inputs High Impedance
1
FB_CLK cycles
R9
Minimum RSTOUT pulse width
512
FB_CLK cycles
XOSC
EXTAL
XTAL
Crystal or Resonator
RS
C2
RF
C1
CL
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