参数资料
型号: SAF-XC866-2FRA
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
封装: PLASTIC, GREEN, TSSOP-38
文件页数: 70/116页
文件大小: 1640K
代理商: SAF-XC866-2FRA
XC866
Functional Description
Data Sheet
53
V1.2, 2007-10
3.6
Power Supply System with Embedded Voltage Regulator
The XC866 microcontroller requires two different levels of power supply:
3.3 V or 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 XC866 power supply system. A power supply of 3.3 V or 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
XC866 Power Supply System
EVR Features:
Input voltage (VDDP): 3.3 V/5.0 V
Output voltage (VDDC): 2.5 V ± 7.5%
Low power voltage regulator provided in power-down mode
VDDC and VDDP prewarning detection
VDDC brownout detection
On-chip
OSC
CPU &
Memory
VDDC(2.5V)
VDDP(3.3V/5.0V)
VSSP
GPIO
Ports
(P0-P3)
EVR
Peripheral
logic
FLASH
ADC
PLL
XTAL1&
XTAL2
相关PDF资料
PDF描述
SAF-XC866-2RRI 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
SAF-XC866-4FRA3V 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
SAF-XC866-4FRA 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
SAK-XC866-2FRI3V 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
SAK-XC866-4FRI3V 8-BIT, FLASH, 26.7 MHz, MICROCONTROLLER, PDSO38
相关代理商/技术参数
参数描述
SAF-XC866-2FRA BE 功能描述:8位微控制器 -MCU 8-Bit Single-Chip 5V 26.67MHz Flash RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
SAF-XC866-2FRI 制造商:Infineon Technologies AG 功能描述:Micro,XC866,5V,8k Flash,Ind
SAF-XC866-2FRI BC 功能描述:8位微控制器 -MCU 8-Bit Single-Chip 3.3V 26.67MHz Flash RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
SAF-XC866-2FRI BE 功能描述:8位微控制器 -MCU ICMCU 8BIT XC800CISC 8KB FLASH 26.7MHZ 5V RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
SAFXC8662FRIBCXT 制造商:Infineon Technologies AG 功能描述:MCU 8-bit XC800 8051 CISC 4KB Flash 2.5V/5V 38-Pin TSSOP