参数资料
型号: MCIMX355AVM4BR2
厂商: Freescale Semiconductor
文件页数: 61/147页
文件大小: 0K
描述: IC MPU I.MX35 400MAPBGA
标准包装: 1,000
系列: i.MX35
核心处理器: ARM11
芯体尺寸: 32-位
速度: 400MHz
连通性: 1 线,CAN,EBI/EMI,以太网,I²C,MMC,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 96
程序存储器类型: ROMless
RAM 容量: 128K x 8
电压 - 电源 (Vcc/Vdd): 1.22 V ~ 1.47 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 400-LFBGA
包装: 带卷 (TR)
i.MX35 Applications Processors for Automotive Products, Rev. 10
Freescale Semiconductor
20
The method for obtaining max current is as follows:
1. Measure worst case power consumption on individual rails using directed test on i.MX35.
2. Correlate worst case power consumption power measurements with worst case power
consumption simulations.
3. Combine common voltage rails based on power supply sequencing requirements
4. Guard band worst case numbers for temperature and process variation. Guard band is based on
process data and correlated with actual data measured on i.MX35.
5. The sum of individual rails is greater than real world power consumption, as a real system does
not typically maximize power consumption on all peripherals simultaneously.
4.6
Thermal Characteristics
The thermal resistance characteristics for the device are given in Table 12. These values were measured
under the following conditions:
Two-layer substrate
Substrate solder mask thickness: 0.025 mm
Substrate metal thicknesses: 0.016 mm
Substrate core thickness: 0.200 mm
Core via I.D: 0.168 mm, Core via plating 0.016 mm.
Full array map design, but nearly all balls under die are power or ground.
Die Attach: 0.033 mm non-conductive die attach, k = 0.3 W/m K
Mold compound: k = 0.9 W/m K
Table 11. Power Consumption
Power Supply
Voltage (V)
Max Current (mA)
QVCC
1.47
400
MVDD, PVDD
1.65
20
NVCC_EMI1, NVCC_EMI2, NVCC_EMI3, NVCC_LCDC, NVCC_NFC
1.9
90
FUSE_VDD1
1 This rail is connected to ground; it only needs a voltage if eFuses are to be programmed. FUSE_VDD should be supplied by
following the power up sequence given in Section 4.3.1, “Powering Up.
3.6
62
NVCC_MISC, NVCC_CSI, NVCC_SDIO, NVCC_CRM, NVCC_ATA, NVCC_MLB,
NVCC_JTAG
3.6
60
OSC24M_VDD, OSC_AUDIO_VDD, PHY1_VDDA, PHY2_VDD,
USBPHY1_UPLLVDD, USBPHY1_VDDA_BIAS
3.6
25
Table 12. Thermal Resistance Data
Rating
Condition
Symbol
Value
Unit
Junction to ambient1 natural convection
Single layer board (1s)
ReJA
53
C/W
Junction to ambient1 natural convection
Four layer board (2s2p)
ReJA
30
C/W
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