参数资料
型号: AT87C54X2-SLRUM
厂商: Atmel
文件页数: 2/62页
文件大小: 0K
描述: MCU 8051 16K EPROM 44PLCC
标准包装: 500
系列: 87C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40/20MHz
连通性: UART/USART
外围设备: POR,WDT
输入/输出数: 32
程序存储器容量: 16KB(16K x 8)
程序存储器类型: OTP
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 带卷 (TR)
10
4431E–8051–04/06
AT/TS8xC54/8X2
Table 6-1.
CKCON Register
CKCON - Clock Control Register (8Fh)
Reset Value = XXXX XXX0b
Not bit addressable
F or further details on the X2 fe ature, please refer to ANM 072 ava ilable on the web
(http://www.atmel.com)
76
543
210
---
-
X2
Bit
Number
Bit
Mnemonic
Description
7-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
6-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
4-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
3-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
2-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
1-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
0X2
CPU and peripheral clock bit
Clear to select 12 clock periods per machine cycle (STD mode, FOSC=FXTAL/2).
Set to select 6 clock periods per machine cycle (X2 mode, FOSC=FXTAL).
相关PDF资料
PDF描述
DSPIC30F2020-30I/MM IC DSPIC MCU/DSP 12K 28QFN
AT80C31X2-SLRUL MCU ROMLESS 31X2 3V 44-PLCC
AT32UC3A0512-ALTT MCU AVR32 512K FLASH 144LQFP
AT32UC3A0512-ALTR MCU AVR32 512K FLASH 144LQFP
ATMEGA88PV-10PU MCU AVR 8K ISP FLASH 10MHZ 28DIP
相关代理商/技术参数
参数描述
AT87C54X2-SLSUL 功能描述:8位微控制器 -MCU OTP C54/16K 40MHZ 3V COM TEMP 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
AT87C54X2-SLSUM 功能描述:8位微控制器 -MCU OTP C54/16K 40MHZ 5V IND TEMP 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
AT87C54X2-SLSUV 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
AT87C58X2 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
AT87C58X2-3CSUL 功能描述:8位微控制器 -MCU OTP C58/32K 40MHZ 3V COM TEMP 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