参数资料
型号: MCF54418CMJ250
厂商: Freescale Semiconductor
文件页数: 2/61页
文件大小: 0K
描述: IC MCU 32BIT 256MAPBGA
标准包装: 450
系列: MCF5441x
核心处理器: Coldfire V4
芯体尺寸: 32-位
速度: 250MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,智能卡,SPI,SSI,UART/USART,USB,USB OTG
外围设备: DMA,PWM,WDT
输入/输出数: 87
程序存储器类型: ROMless
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 1.14 V ~ 1.32 V
数据转换器: A/D 8x12b,D/A 2x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 256-LBGA
包装: 托盘
MCF5441x ColdFire Microprocessor Data Sheet, Rev. 8
Pin assignments and reset states
Freescale Semiconductor
10
NOTE
While most modules and functionalities between the 196 and 256 MAPBGA package are
the same, the following modules have been removed from 196 MAPBGA for pin space:
UART2, UART6, UART9, PWM, SSI1, SIM1, USB HOST, IRQ6, IRQ3, IRQ2,
FLEXCAN1, I2C1, ADC, DAC.
Other modifications to the 196 MAPBGA package are:
SDRAMC One address line, SD_A14, is removed.
SDHC Number of data lines for eSDHC have been reduced to 4 instead of 8.
MAC Only MAC0_RMII mode is implemented.
Table 4. Special-case default signal functionality
Pin
Default signal
FB_CLK, FB_OE, FB_R/W,
FB_BE/BWE[1:0],
FB_CS[5:4]
FB_CLK, FB_OE, FB_R/W,
FB_BE/BWE[1:0], FB_CS[5:4]
FB_ALE
FB_ALE or FB_TS
(depending on RCON[3])
FB_BE/BWE3
Boot from NFC, NF_ALE.
Otherwise, FB_BE/BWE3.
FB_BE/BWE2
Boot from NFC, NF_CLE.
Otherwise, FB_BE/BWE2.
FB_CS1
Boot from NFC, NFC_CE.
Otherwise, GPIO.
FB_CS0
Boot from FlexBus, FB_CS0.
Otherwise, GPIO.
FB_TA
Boot from NFC, NFC_R/B.
Otherwise, FB_TA.
ALLPST, PST[3:0],
DDATA[3:0]
ALLPST, PST[3:0], DDATA[3:0]
Table 5. MCF5441x Signal information and muxing
Signal name
GPIO
Alternate 1
Alternate 2
Pu
llu
p
(U)
1
Pu
ll
d
o
wn
(D
)
Direc
tion
2
Vo
lt
a
g
e
d
o
m
a
in
Pa
d
t
y
p
e
3
1
96
MAPBGA
2
56
MAPBGA
Reset
RESET
U
IEVDD
ssr
K14
K15
RSTOUT
——
OEVDD
msr
P12
L16
Clock
EXTAL/
RMII_REF_CLK
——
I
4
EVDD
ae
G14
G16
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