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参数资料
| 型号： | MPC5646CCF0CLU8R |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP176 |
| 封装： | 24 X 24 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-176 |
| 文件页数： | 66/115页 |
| 文件大小： | 783K |
| 代理商： | MPC5646CCF0CLU8R |
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MPC5646C Microcontroller Datasheet, Rev. 4
Preliminary—Subject to Change Without Notice
Electrical Characteristics
Freescale Semiconductor
54
4.8
Power management electrical characteristics
4.8.1
Voltage regulator electrical characteristics
The device implements an internal voltage regulator to generate the low voltage core supply VDD_LV from the high voltage
supply VDD_HV_A. The following supplies are involved:
HV: High voltage external power supply for voltage regulator module. This must be provided externally through
VDD_HV_A power pin.
LV: Low voltage internal power supply for core, FMPLL and Flash digital logic. This is generated by the on-chip
VREG with an external ballast (BCP68 NPN device). It is further split into four main domains to ensure noise isolation
between critical LV modules within the device:
— LV_COR: Low voltage supply for the core. It is also used to provide supply for FMPLL through double bonding.
— LV_CFLA0/CFLA1: Low voltage supply for the two code Flash modules. It is shorted with LV_COR through
double bonding.
— LV_DFLA: Low voltage supply for data Flash module. It is shorted with LV_COR through double bonding.
— LV_PLL: Low voltage supply for FMPLL. It is shorted to LV_COR through double bonding.
Figure 8. Voltage regulator capacitance connection
The internal voltage regulator requires external bulk capacitance (CREGn) to be connected to the device to provide a stable low
voltage digital supply to the device. Also required for stability is the CDEC2 capacitor at ballast collector. This is needed to
minimize sharp injection current when ballast is turning ON. Apart from the bulk capacitance, user should connect
32 KB
56 KB
Split
CTRL
Split
CTRL
PD0 (always on domain)
PD1 Switchable Domain
HPREG
LPREG
HPVDD
LPVDD
VDD_LV
VSS_LV
Off chip
BCP68
40
f
HPVDD
LPVDD
sw1 (<0.1
)
8KB
PD0
Lo
gic
VDD_BV
VDD_HV_A
VSS_HV
100 nf
(FMPLL, Flash)
VDD_LV
VSS_LV
100 nf
VRC_CTRL
(C
REGn)
Chip Boundary
10
f
(C
DEC2)
(4
10 f)
NPN driver
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC564AADPT176 | 功能描述:开发板和工具包 - 其他处理器 ANDORRA ADAPT RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| MPC564AADPT208 | 制造商:Freescale Semiconductor 功能描述:ANDORRA ADAPSOLDERED |
| MPC564AKIT176 | 功能描述:开发板和工具包 - 其他处理器 ANDORRA 176QFP KIT RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| MPC564AKIT176S | 制造商:Freescale Semiconductor 功能描述:MPC564XA 176 LQFP SOCKET EVAL KIT 制造商:Freescale Semiconductor 功能描述:MPC564XA, 176 LQFP SOCKET, EVAL KIT |
| MPC564AKIT208 | 制造商:Freescale Semiconductor 功能描述:ANDORRA 208BGA KIT |
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