参数资料
型号: AT89C51ED2-SLSUM
厂商: Atmel
文件页数: 107/137页
文件大小: 0K
描述: IC 8051 MCU FLASH 64K 44PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 972
系列: 89C
核心处理器: 8051
芯体尺寸: 8-位
速度: 60MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 34
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
EEPROM 大小: 2K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
71
4235K–8051–05/08
AT89C51RD2/ED2
Reset Value = 00X0 XXXXb
Not Bit addressable
16.3.5.3
Serial Peripheral DATa Register (SPDAT)
The Serial Peripheral Data Register (Table 16-5) is a read/write buffer for the receive data regis-
ter. A write to SPDAT places data directly into the shift register. No transmit buffer is available in
this model.
A Read of the SPDAT returns the value located in the receive buffer and not the content of the
shift register.
Table 16-5.
SPDAT Register
SPDAT - Serial Peripheral Data Register (0C5H)
Reset Value = Indeterminate
R7:R0: Receive data bits
SPCON, SPSTA and SPDAT registers may be read and written at any time while there is no on-
going exchange. However, special care should be taken when writing to them while a transmis-
sion is on-going:
Do not change SPR2, SPR1 and SPR0
Do not change CPHA and CPOL
Do not change MSTR
Clearing SPEN would immediately disable the peripheral
Writing to the SPDAT will cause an overflow.
5
SSERR
Synchronous Serial Slave Error Flag
Set by hardware when SS is de-asserted before the end of a received data.
Cleared by disabling the SPI (clearing SPEN bit in SPCON).
4
MODF
Mode Fault
Cleared by hardware to indicate that the SS pin is at appropriate logic level, or has been
approved by a clearing sequence.
Set by hardware to indicate that the SS pin is at inappropriate logic level.
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.
0
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Bit Number
Bit
Mnemonic
Description
7
6
5
4
3
2
1
0
R7
R6
R5
R4
R3
R2
R1
R0
相关PDF资料
PDF描述
VJ2225A561KBBAT4X CAP CER 560PF 100V 10% NP0 2225
VI-B23-IY-F4 CONVERTER MOD DC/DC 24V 50W
VI-J1Y-IX-F3 CONVERTER MOD DC/DC 3.3V 49.5W
VJ2225A561KBCAT4X CAP CER 560PF 200V 10% NP0 2225
VI-B23-IY-F3 CONVERTER MOD DC/DC 24V 50W
相关代理商/技术参数
参数描述
AT89C51ED2-SMRIM 功能描述:IC MCU FLASH 8051 64K 5V 68PLCC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:89C 标准包装:1,500 系列:AVR® ATtiny 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C,LIN,SPI,UART/USART,USI 外围设备:欠压检测/复位,POR,PWM,温度传感器,WDT 输入/输出数:16 程序存储器容量:8KB(4K x 16) 程序存储器类型:闪存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 11x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:20-SOIC(0.295",7.50mm 宽) 包装:带卷 (TR)
AT89C51ED2-SMRUM 功能描述:8位微控制器 -MCU C51ED2 64K FLASH 3-5.5V 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
AT89C51ED2-SMSIM 制造商:Atmel Corporation 功能描述:MCU 8-bit AT89 80C51 CISC 64KB Flash 3.3V/5V 68-Pin PLCC Stick 制造商:Atmel/Adesto Technologies 功能描述:Bulk 制造商:Atmel Corporation 功能描述:AT89C51ED2-SMSIM 8bit microcontroller
AT89C51ED2-SMSUM 功能描述:8位微控制器 -MCU C51ED2 64K FLASH 3-5.5V Ind 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
AT89C51ED2-UM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller