参数资料
型号: MCIMX357CVM5B
厂商: Freescale Semiconductor
文件页数: 56/147页
文件大小: 0K
描述: IC MPU I.MX35 400MAPBGA
标准包装: 90
系列: i.MX35
核心处理器: ARM11
芯体尺寸: 32-位
速度: 532MHz
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): 1.33 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: 托盘
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
16
4.3
Supply Power-Up/Power-Down Requirements and Restrictions
This section provides power-up and power-down sequence guidelines for the i.MX35 processor.
CAUTION
Any i.MX35 board design must comply with the power-up and power-down
sequence guidelines as described in this section to guarantee reliable
operation of the device. Any deviation from these sequences can result in
irreversible damage to the i.MX35 processor (worst-case scenario).
NOTE
Deviation from these sequences may also result in one or more of the
following:
Excessive current during power-up phase
Prevent the device from booting
Programming of unprogrammed fuses
4.3.1
Powering Up
The power-up sequence should be completed as follows:
1. Assert Power on Reset (POR).
2. Turn on digital logic domain and IO power supply: VDDn, NVCCx
3. Wait until VDDn and NVCCx power supplies are stable + 32
μs.
Static
VDD1,2,3,4 = 1.1 V (min.)
ARM is in wait for interrupt mode.
MAX is halted
L2 cache is kept powered.
L2 cache control logic off.
AWB enabled.
MCU PLL is off.
PER PLL is off.
All clocks are gated off.
OSC 24MHz is on
OSC audio is off
RNGC internal osc is off
820
A
50
A
24
A
Note: Typical column: TA = 25
°C
Table 10. i.MX35 Power Modes (continued)
Power
Mode
Description
QVCC (ARM/L2
Peripheral)
MVDD/PVDD
OSC24M_VDD
OSC_AUDO_VDD
Typ.
Max.
Typ.
Max.
Typ.
Max.
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