AT89C51RE2-SLSUM Atmel, AT89C51RE2-SLSUM Datasheet - Page 175

• Manufacturer Part Number: AT89C51RE2-SLSUM
• Description: MCU 8BIT FLASH 2.7-5.5V 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RE2-SLSUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Package: 44PLCC
• Device Core: 8051
• Family Name: 89C
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 34
• Interface Type: SPI/TWI/UART
• Number Of Timers: 3
• Processor Series: AT89x
• Core: 8051
• Data Ram Size: 8 KB
• Maximum Clock Frequency: 40 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89OCD-01
• Minimum Operating Temperature: - 40 C
• Cpu Family: 89C
• Device Core Size: 8b
• Frequency (max): 40MHz
• Total Internal Ram Size: 8KB
• # I/os (max): 34
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Shift Register Timing
Waveforms
External Clock Drive
Waveforms
AC Testing
Input/Output
Waveforms
Float Waveforms
7663E–8051–10/08
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 127. AC Parameters for a Variable Clock
Notes:
AC inputs during testing are driven at V
measurement are made at V
Symbol
T
T
T
T
T
T
QVXH
QVHX
XHQX
XHDX
XHDV
0
XLXL
INPUT/OUTPUT
1. ‘ -L ‘ refers to 2V - 5.5V version.
2. ‘ -M ’ refers to 4.5V to 5.5V version.
0.45V
T
XHDV
V
CC
Type
1
-0.5V
Max
0
Min
Min
Min
Min
VALID
T
XLXL
T
Standard
XHQX
2
1
10 T - x
10 T - x
Clock
0.2V
2 T - x
VALID
12 T
0.7V
x
CC
IH
CC
-0.1
T
V
CHCL
T
CC
min. for a logic “1” and V
V
V
3
XHDX
2
OH
OL
0.45V
-0.5V
VALID
X2 Clock
+ 0.1V
- 0.1V
5 T - x
5 T- x
T - x
6 T
x
4
CC
3
VALID
FLOAT
V
- 0.5 for a logic “1” and 0.45V for a logic “0”. Timing
LOAD
X Parameter For
T
-M
CLCX
5
(1)
4
VALID
133
Range
50
20
0
0.2 V
0.2 V
IL
max for a logic “0”.
T
6
5
CLCL
CC
CC
VALID
+ 0.9
- 0.1
V
V
X Parameter For
T
LOAD
LOAD
CLCH
-L
T
7
6
CHCX
(2)
+ 0.1V
- 0.1V
VALID
133
Range
50
20
AT89C51RE2
0
SET TI
SET RI
8
7
VALID
Units
ns
ns
ns
ns
ns
175