参数资料
型号: C8051F226R
厂商: Silicon Laboratories Inc
文件页数: 55/146页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 48TQFP
标准包装: 1
系列: C8051F2xx
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 1.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 32x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 48-TQFP
包装: 剪切带 (CT)
其它名称: 336-1010-1
C8051F2xx
16
Rev. 1.6
With the CIP-51's maximum system clock at 25 MHz, it has a peak throughput of 25 MIPS. Figure 1.5
shows a comparison of peak throughputs of various 8-bit microcontroller cores with their maximum system
clocks.
Figure 1.5. Comparison of Peak MCU Throughputs
1.1.3. Additional Features
The C8051F206, C8051F220/1/6 and C8051F230/1/6 have several key enhancements both inside and
outside the CIP-51 core to improve overall performance and ease of use in end applications.
The extended interrupt handler provides 22 interrupt sources into the CIP-51 (as opposed to 7 for the stan-
dard 8051), allowing the numerous analog and digital peripherals to interrupt the controller. (An interrupt
driven system requires less intervention by the MCU, giving it more effective throughput.) The extra inter-
rupt sources are very useful when building multi-tasking, real-time systems.
There are up to six reset sources for the MCU: an on-board
VDD monitor, a Watchdog Timer, a missing
clock detector, a voltage level detection from Comparator 0, a forced software reset, and an external reset
pin. The RST pin is bi-directional, accommodating an external reset, or allowing the internally generated
reset to be output on the RST pin. The on-board
VDD monitor is enabled by pulling the MONEN pin high
(digital 1). The user may disable each reset source except for the
VDD monitor and Reset Input Pin from
software. The watchdog timer may be permanently enabled in software after a power-on reset during
MCU initialization.
The MCU has an internal, stand-alone clock generator that is used by default as the system clock after
reset. If desired, the clock source may be switched "on the fly" to the external oscillator, which can use a
crystal, ceramic resonator, capacitor, RC, or external clock source to generate the system clock. This can
be extremely useful in low power applications, allowing the MCU to run from a slow (power saving) exter-
nal crystal source, while periodically switching to the fast (up to 16MHz) internal oscillator as needed.
5
10
15
20
ADuC812
8051
(16 MHz clk)
Philips
80C51
(33 MHz clk)
Microchip
PIC17C75x
(33 MHz clk)
Silicon Labs
CIP-51
(25 MHz clk)
MI
PS
25
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相关代理商/技术参数
参数描述
C8051F226-TB 功能描述:插座和适配器 With C8051F226 MCU RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x
C8051F23 制造商:未知厂家 制造商全称:未知厂家 功能描述:8K Flash, 256 RAM, 48-Pin MCU
C8051F230 功能描述:8位微控制器 -MCU 8KB 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
C8051F230-GQ 功能描述:8位微控制器 -MCU 8KB 48P MCU 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
C8051F230-GQR 功能描述:8位微控制器 -MCU 8KB 48Pin MCU Tape and Reel 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