参数资料
型号: AT80C51RB2-RLTIM
厂商: Atmel Corp.
英文描述: 80C51 High Performance ROM 8-bit Microcontroller
中文描述: 80C51的高性能ROM的8位微控制器
文件页数: 75/83页
文件大小: 672K
代理商: AT80C51RB2-RLTIM
76
AT80C51RD2/AT83C51Rx2
4113B–8051–03/05
Shift Register Timing Waveforms
External Clock Drive Waveforms
AC Testing Input/Output Waveforms
AC inputs during testing are driven at V
CC
- 0.5 for a logic “1” and 0.45V for a logic “0”.
Timing measurement are made at V
IH
min for a logic “1” and V
IL
max for a logic “0”.
Float Waveforms
For timing purposes as port pin is no longer floating when a 100 mV changes from load
voltage occurs and begins to float when a 100 mV change from the loaded V
OH
/V
OL
level
occurs. I
OL
/I
OH
±
20 mA.
Clock Waveforms
Valid in normal clock mode. In X2 mode XTAL2 must be changed to XTAL2/2.
INPUT DATA
VALID
VALID
VALID
VALID
0
1
2
3
4
5
6
8
7
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
CLEAR RI
T
XLXL
T
QVXH
T
XHQX
T
XHDV
T
XHDX
SET TI
SET RI
INSTRUCTION
0
1
2
3
4
5
6
7
VALID
VALID
VALID
VALID
V
CC
-0.5V
0.45V
0.7V
CC
0.2V
CC
-0.1
T
CHCL
T
CLCX
T
CLCL
T
CLCH
T
CHCX
INPUT/OUTPUT
0.2 V
CC
+ 0.9
0.2 V
CC
- 0.1
V
CC
-0.5V
0.45V
FLOAT
V
OH
- 0.1 V
V
OL
+ 0.1 V
V
LOAD
V
LOAD
+ 0.1 V
V
LOAD
- 0.1 V
相关PDF资料
PDF描述
AT80C51RB2-RLTUL 80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTUM 80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSCM 80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIL 80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIM 80C51 High Performance ROM 8-bit Microcontroller
相关代理商/技术参数
参数描述
AT80C51RB2-RLTUL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-RLTUM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSCM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIL 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller
AT80C51RB2-SLSIM 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:80C51 High Performance ROM 8-bit Microcontroller