MCF5227x ColdFire Microprocessor Data Sheet, Rev. 8 Electrical Characteristics F" />
參數(shù)資料
型號(hào)： MCF52274CLU120
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 8/46頁(yè)
文件大小： 0K
描述： MCU 32-BIT LCD TOUCH 176-LQFP
標(biāo)準(zhǔn)包裝： 40
系列： MCF5227x
核心處理器： Coldfire V2
芯體尺寸： 32-位
速度： 120MHz
連通性： CAN，EBI/EMI，I²C，SPI，SSI，UART/USART，USB OTG
外圍設(shè)備： DMA，LCD，PWM，WDT
輸入/輸出數(shù)： 47
程序存儲(chǔ)器類(lèi)型： ROMless
RAM 容量： 128K x 8
電壓 - 電源 (Vcc/Vdd)： 1.4 V ~ 1.6 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 176-LQFP
包裝： 托盤(pán)
MCF5227x ColdFire Microprocessor Data Sheet, Rev. 8
Electrical Characteristics
Freescale Semiconductor
16
NOTE
The parameters specified in this MCU document supersede any values found in the module
specifications.
5.1
Maximum Ratings
Table 7. Absolute Maximum Ratings1, 2
1 Functional operating conditions are given in Section 5.4, “DC Electrical Specifications.” Absolute maximum ratings
are stress ratings only, and functional operation at the maxima is not guaranteed. Continued operation at these
levels may affect device reliability or cause permanent damage to the device.
2 This device contains circuitry protecting against damage due to high static voltage or electrical fields; however, it is
advised that normal precautions be taken to avoid application of any voltages higher than maximum-rated voltages
to this high-impedance circuit. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic
voltage level (e.g., either VSS or EVDD).
Characteristic
Symbol
Value
Unit
Core Supply Voltage
IVDD
–0.5 to +2.0
V
CMOS Pad Supply Voltage
EVDD
–0.3 to +4.0
V
DDR/Memory Pad Supply Voltage
SDVDD
–0.3 to +4.0
V
Oscillator Supply Voltage
OSCVDD
–0.3 to +4.0
V
PLL Supply Voltage
PLLVDD
–0.3 to +2.0
V
RTC Supply Voltage
RTCVDD
–0.5 to +2.0
V
Digital Input Voltage 3
3 Input must be current limited to the value specified. To determine the value of the required current-limiting resistor,
calculate resistance values for positive and negative clamp voltages, then use the larger of the two values.
VIN
–0.3 to +3.6
V
Instantaneous Maximum Current
Single pin limit (applies to all pins) 3, 4, 5
4 All functional non-supply pins are internally clamped to V
SS and EVDD.
5 Power supply must maintain regulation within operating EV
DD range during instantaneous and operating maximum
current conditions. If positive injection current (Vin > EVDD) is greater than IDD, the injection current may flow out of
EVDD and could result in external power supply going out of regulation. Insure external EVDD load will shunt current
greater than maximum injection current. This will be the greatest risk when the MCU is not consuming power (ex; no
clock). Power supply must maintain regulation within operating EVDD range during instantaneous and operating
maximum current conditions.
ID
25
mA
Operating Temperature Range (Packaged)
TA
(TL – TH)
–40 to +85
°C
Storage Temperature Range
Tstg
–55 to +150
°C
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