參數資料
型號: MCIMX357CJM5B
廠商: Freescale Semiconductor
文件頁數: 61/147頁
文件大?。?/td> 0K
描述: MPU MX35 ARM11 400-MAPBGA
標準包裝: 90
系列: i.MX35
核心處理器: ARM11
芯體尺寸: 32-位
速度: 532MHz
連通性: 1 線,CAN,EBI/EMI,以太網,I²C,MMC,SPI,SSI,UART/USART,USB OTG
外圍設備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數: 96
程序存儲器類型: ROMless
RAM 容量: 128K x 8
電壓 - 電源 (Vcc/Vdd): 1.33 V ~ 1.47 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 400-LFBGA
包裝: 托盤
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
20
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.
Table 12. Thermal Resistance Data
Rating
Condition
Symbol
Value
Unit
Junction to ambient1 natural convection
1 Junction-to-ambient thermal resistance determined per JEDC JESD51-3 and JESD51-6. Thermal test board meets JEDEC
specification for this package.
Single layer board (1s)
ReJA
53
C/W
Junction to ambient1 natural convection
Four layer board (2s2p)
ReJA
30
C/W
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
2 Junction-to-board thermal resistance determined per JEDC JESD51-8. Thermal test board meets JEDEC specification for this
package.
—ReJB
19
C/W
Junction to case (top)3
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.
—ReJCtop
10
C/W
Junction to package top4
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.
Natural convection
Ψ
JT
2C/W
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
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