參數(shù)資料
型號: SAL-XC886C-6FFA5V
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁數(shù): 105/134頁
文件大?。?/td> 864K
代理商: SAL-XC886C-6FFA5V
SAL-XC886CLM
Functional Description
Data Sheet
65
V1.0, 2010-05
3.6
Power Supply System with Embedded Voltage Regulator
The SAL-XC886 microcontroller requires two different levels of power supply:
5.0 V for the Embedded Voltage Regulator (EVR) and Ports
2.5 V for the core, memory, on-chip oscillator, and peripherals
Figure 20 shows the SAL-XC886 power supply system. A power supply of 5.0 V must
be provided from the external power supply pin. The 2.5 V power supply for the logic is
generated by the EVR. The EVR helps to reduce the power consumption of the whole
chip and the complexity of the application board design.
The EVR consists of a main voltage regulator and a low power voltage regulator. In
active mode, both voltage regulators are enabled. In power-down mode, the main
voltage regulator is switched off, while the low power voltage regulator continues to
function and provide power supply to the system with low power consumption.
Figure 20
SAL-XC886 Power Supply System
EVR Features
Input voltage (
V
DDP): 5.0 V
Output voltage (
V
DDC): 2.5 V ± 7.5%
Low power voltage regulator provided in power-down mode
V
DDC and VDDP prewarning detection
V
DDC brownout detection
On-chip
OSC
CPU &
Memory
VDDC(2.5V)
VDDP (5.0V)
VSSP
GPIO
Ports
(P0-P5)
EVR
Peripheral
logic
FLASH
ADC
PLL
XTAL1&
XTAL2
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PDF描述
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