參數(shù)資料
型號(hào): MCF54416CMJ250
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 25/61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(pán)
Electrical characteristics
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Freescale Semiconductor
31
Figure 12. FlexBus write timing
4.11
NAND flash controller (NFC) timing specifications
The NAND flash controller (NFC) implements the interface to standard NAND flash memory devices. This section describes
the timing parameters of the NFC.
All NFC 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
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 17. NFC timing specifications
Num
Characteristic
Symbol
Min
Max
Unit
Frequency of operation
401
MHz
NF1
Clock period
tNFC
25
ns
NF2
NFC_CLE setup time
tCLS
1.5
t
NFC
—ns
NF3
NFC_CLE hold time
tCLH
tNFC
—ns
NF4
NFC_CE setup time
tCS
1.5
t
NFC
—ns
NF5
NFC_CE hold time
tCH
tNFC
—ns
NF6
NFC_WE pulse width
tWP
0.5
t
NFC – 0.5
ns
FB_CLK
FB_R/W
FB_ALE
FB_OE
S0
S2
S3
DATA
FB_TSIZ[1:0]
TSIZ[1:0]
S1
ADDR[31:X]
FB_AD[Y:0]
FB_AD[31:X]
ADDR[Y:0]
FB_CSn, FB_BE/BWEn
FB_TA
FB3
FB1
FB2
FB5
FB4
FB_TS
Note:
1 FB2 and FB3 output specifications are valid for all FB_AD[31:0], FB_R/W, FB_ALE, FB_TS,
FB_CSn, FB_OE, FB_BE/BWEn, and FB_TSIZ[1:0].
2 FB4 and FB5 input specifications are valid for all FB_AD[31:0] and FB_TA.
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