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参数资料
型号： MCIMX514AJM6C
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PBGA529
封装： 19 X 19 MM, 0.8 MM PITCH, ROHS COMPLIANT, BGA-529
文件页数： 87/172页
文件大小： 2218K
代理商： MCIMX514AJM6C
Electrical Characteristics
i.MX51A Automotive and Infotainment Applications Processors, Rev. 4
Freescale Semiconductor
21
4.1.2
USB PHY Current Consumption
Table 17 shows the USB PHY current consumption.
4.2
Supply Power-Up/Power-Down Requirements and Restrictions
The system 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 may result
in the following situations:
Excessive current during power-up phase
Prevention of the device from booting
Irreversible damage to the i.MX51A processor (worst-case scenario)
Stop Mode
External reference clocks
enabled
No power gating for ARM and
processing units
HPM voltage
VDDGP = 1.0 V, VCC = 1.225 V, VDDA = 1.2 V
All PLLs off, all CCM-generated clocks off
CKIL input on with 32 kHz signal present
All modules disabled
USBPHY PLL off
External (MHz) crystal and on-chip oscillator
powered and generating reference clock
No external resistive loads that cause current flow
TA = 25
°C
VDDGP
50
mA
VCC
2
VDDA
1.15
NVCC_OSC
1.5
Total
63
mW
Table 17. USB PHY Current Consumption
Parameter
Conditions
Typical @ 25 °C
Max
Unit
Analog Supply
VDDA33 (3.3 V)
Full Speed
RX
5.5
6
mA
TX
7
8
High Speed
RX
5
6
TX
5
6
Analog Supply
NVCC_USBPHY (2.5 V)
Full Speed
RX
6.5
7
mA
TX
6.5
7
High Speed
RX
12
13
TX
21
22
Digital Supply
VCC (1.2 V)
Full Speed
RX
6
7
mA
TX
6
7
High Speed
RX
6
7
TX
6
7
VDDA33 + NVCC_USBPHY + VCC
Suspend
50
100
μA
Table 16. i.MX51 Stop Mode Current and Power Consumption (continued)
Mode
Condition
Supply
Nominal
Unit
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