参数资料
型号: AT89C51ED2-SMSUM
厂商: Atmel
文件页数: 106/137页
文件大小: 0K
描述: IC 8051 MCU FLASH 64K 68PLCC
产品培训模块: MCU Product Line Introduction
标准包装: 304
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: 50
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: 68-PLCC
包装: 管件
配用: AT89OCD-01-ND - USB EMULATOR FOR AT8XC51 MCU
70
4235K–8051–05/08
AT89C51RD2/ED2
Reset Value = 0001 0100b
Not bit addressable
16.3.5.2
Serial Peripheral Status Register (SPSTA)
The Serial Peripheral Status Register contains flags to signal the following conditions:
Data transfer complete
Write collision
Inconsistent logic level on SS pin (mode fault error)
Table 16-4 describes the SPSTA register and explains the use of every bit in the register.
Table 16-4.
SPSTA Register
SPSTA - Serial Peripheral Status and Control register (0C4H)
4
MSTR
Serial Peripheral Master
Cleared to configure the SPI as a Slave.
Set to configure the SPI as a Master.
3
CPOL
Clock Polarity
Cleared to have the SCK set to ’0’ in idle state.
Set to have the SCK set to ’1’ in idle low.
2
CPHA
Clock Phase
Cleared to have the data sampled when the SCK leaves the idle state (see
CPOL).
Set to have the data sampled when the SCK returns to idle state (see
CPOL).
1
SPR1
SPR2 SPR1 SPR0 Serial Peripheral Rate
0
1F
CLK PERIPH /2
0
1F
CLK PERIPH /4
0
1
0 F
CLK PERIPH /8
0
1
1F
CLK PERIPH /16
1
0
0F
CLK PERIPH /32
1
0
1F
CLK PERIPH /64
1
0F
CLK PERIPH /128
1
1Invalid
SPR0
Bit Number
Bit Mnemonic
Description
7
6
5
4
3
2
1
0
SPIF
WCOL
SSERR
MODF
-
Bit Number
Bit
Mnemonic
Description
7
SPIF
Serial Peripheral Data Transfer Flag
Cleared by hardware to indicate data transfer is in progress or has been approved by a
clearing sequence.
Set by hardware to indicate that the data transfer has been completed.
6
WCOL
Write Collision Flag
Cleared by hardware to indicate that no collision has occurred or has been approved by a
clearing sequence.
Set by hardware to indicate that a collision has been detected.
相关PDF资料
PDF描述
AT89C51ED2-RDTUM IC 8051 MCU FLASH 64K 64VQFP
PX0852 COVER FOR USB FLASHDRIVE SEALED
VJ2225A271JBLAT4X CAP CER 270PF 630V 5% NP0 2225
AT32UC3C1128C-AUT IC MCU AVR32 128K FLASH 100TQFP
DF36012FPV IC H8 MCU FLASH 16K 64LQFP
相关代理商/技术参数
参数描述
AT89C51ED2-UM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller
AT89C51IC2 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with 2-wire Interface
AT89C51IC2_04 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with 2-wire Interface
AT89C51IC2_08 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Flash Microcontroller with 2-wire Interface
AT89C51IC2-RLRIL 功能描述:IC MCU FLASH 8051 32K 3V 44-VQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:89C 标准包装:1 系列:AVR® ATmega 核心处理器:AVR 芯体尺寸:8-位 速度:16MHz 连通性:I²C,SPI,UART/USART 外围设备:欠压检测/复位,POR,PWM,WDT 输入/输出数:32 程序存储器容量:32KB(16K x 16) 程序存储器类型:闪存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 5.5 V 数据转换器:A/D 8x10b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:44-TQFP 包装:剪切带 (CT) 其它名称:ATMEGA324P-B15AZCT