参数资料
型号: MCIMX355AVM4BR2
厂商: Freescale Semiconductor
文件页数: 62/147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
21
4.7
I/O Pin DC Electrical Characteristics
I/O pins are of two types: GPIO and DDR. DDR pins can be configured in three different drive strength
modes: mobile DDR, SDRAM, and DDR2. The SDRAM and mobile DDR modes can be further
customized at three drive strength levels: normal, high, and max.
Table 13 shows currents for the different DDR pin drive strength modes.
Junction to ambient1 (at 200 ft/min)
Single layer board (1s)
ReJMA
44
C/W
Junction to ambient1 (at 200 ft/min)
Four layer board (2s2p)
ReJMA
27
C/W
Junction to boards2
—ReJB
19
C/W
Junction to case (top)3
—ReJCtop
10
C/W
Junction to package top4
Natural convection
Ψ
JT
2C/W
1 Junction-to-ambient thermal resistance determined per JEDC JESD51-3 and JESD51-6. Thermal test board meets JEDEC
specification for this package.
2 Junction-to-board thermal resistance determined per JEDC JESD51-8. Thermal test board meets JEDEC specification for this
package.
3 Junction-to-case at the top of the package determined using MIL-STD 883 Method 1012.1. The cold plate temperature is used
for the case temperature. Reported value includes the thermal resistance of the interface layer.
4 Thermal characterization parameter indicating the temperature difference between the package top and the junction
temperature per JEDEC JESD51-2. When Greek letters are not available, this thermal characterization parameter is written
as Psi-JT.
Table 13. DDR Pin Drive Strength Mode Current Levels
Drive Mode
Normal
High
Max.
Mobile DDR (1.8 V)
3.6 mA
7.2 mA
10.8 mA
SDRAM (1.8 V)
6.5 mA
SDRAM (3.3 V)
4 mA
8 mA
12 mA
DDR2 (1.8 V)
13.4 mA
Table 12. Thermal Resistance Data (continued)
Rating
Condition
Symbol
Value
Unit
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