参数资料
型号: AT80C51RD2-3CSUM
厂商: Atmel
文件页数: 46/81页
文件大小: 0K
描述: IC 8051 MCU 5V SPI 20MHZ 40-DIP
标准包装: 216
系列: 80C
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器类型: ROMless
RAM 容量: 1K 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: 40-DIP(0.600",15.24mm)
包装: 管件
50
4113D–8051–01/09
AT80C51RD2
IPH1 - Interrupt Priority High Register (B3h)
Reset Value = XXXX XXX0b
Not bit addressable
12.2
Interrupt Sources and Vector Addresses
Table 12-8.
Interrupt Sources and Vector Addresses
76
543
210
--
----
-
KBDH
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.
0
KBDH
Keyboard interrupt Priority High bit
KB DHKBDLPriority Level
00 Lowest
0
1
10
1
1Highest
Number
Polling Priority
Interrupt Source
Interrupt
Request
Vector
Address
0
Reset
0000h
1
INT0
IE0
0003h
2
Timer 0
TF0
000Bh
3
INT1
IE1
0013h
4
Timer 1
IF1
001Bh
5
6
UART
RI+TI
0023h
6
7
Timer 2
TF2+EXF2
002Bh
7
5
PCA
CF + CCFn (n = 0-4)
0033h
8
Keyboard
KBDIT
003Bh
相关PDF资料
PDF描述
ADG406BPZ-REEL IC MULTIPLEXER 16X1 28PLCC
VE-JWN-IW CONVERTER MOD DC/DC 18.5V 100W
VE-JWM-IW CONVERTER MOD DC/DC 10V 100W
VE-B3V-IX-F2 CONVERTER MOD DC/DC 5.8V 75W
VE-JWL-IW CONVERTER MOD DC/DC 28V 100W
相关代理商/技术参数
参数描述
AT80C51RD2-RLRUM 功能描述:8位微控制器 -MCU MCU 8-Bit HI Perform ROMless 3-5V 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
AT80C51RD2-RLTIL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RD2-RLTIM 功能描述:IC MCU 8051 5V SPI 20MHZ 44-VQFP RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:80C 标准包装:9 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:32KB(32K x 8) 程序存储器类型:OTP EEPROM 大小:- RAM 容量:256 x 8 电压 - 电源 (Vcc/Vdd):4.5 V ~ 5.5 V 数据转换器:- 振荡器型:内部 工作温度:0°C ~ 70°C 封装/外壳:40-DIP(0.600",15.24mm) 包装:管件
AT80C51RD2-RLTUL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RD2-RLTUM 功能描述:8位微控制器 -MCU MCU 8-Bit HI Perform ROMless 3-5V 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