AT89C51ED2-3CSIM Atmel, AT89C51ED2-3CSIM Datasheet - Page 123

• Manufacturer Part Number: AT89C51ED2-3CSIM
• Description: IC 8051 MCU FLASH 64K 40DIP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51ED2-3CSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Data Bus Width: 8 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3 x 16 bit
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Lead Free Status / Rohs Status: No

25.3.8
25.3.9
25.3.10
4235K–8051–05/08
Shift Register Timing Waveforms
External Clock Drive Waveforms
AC Testing Input/Output Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 25-9.
AC inputs during testing are driven at V
measurement are made at V
T
QVXH
0
INPUT/OUTPUT
0.45V
T
XHDV
Symbol
V
T
T
T
T
T
CC
QVHX
XHQX
XHDX
XHDV
XLXL
1
-0.5V
0
AC Parameters for a Variable Clock
VALID
T
XLXL
T
XHQX
2
1
Type
0.2V
Max
Min
Min
Min
Min
VALID
0.7V
CC
IH
CC
-0.1
T
V
CHCL
T
CC
min for a logic “1” and V
3
XHDX
2
0.45V
-0.5V
VALID
Standard
10 T - x
10 T - x
2 T - x
Clock
12 T
x
4
CC
3
VALID
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing
X2 Clock
T
CLCX
5 T - x
5 T- x
T - x
6 T
5
4
x
VALID
IL
0.2 V
0.2 V
max for a logic “0”.
T
6
5
CLCL
CC
CC
VALID
X Parameter For
AT89C51RD2/ED2
+ 0.9
- 0.1
-M Range
T
CLCH
133
50
20
T
0
7
6
CHCX
VALID
SET TI
SET RI
8
7
VALID
Units
ns
ns
ns
ns
ns
123