AT89C51RD2-RLRUM Atmel, AT89C51RD2-RLRUM Datasheet - Page 118

• Manufacturer Part Number: AT89C51RD2-RLRUM
• Description: IC MCU FLASH 8051 EEP 64K 44VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RD2-RLRUM

• 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
• 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: 44-TQFP, 44-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: UART, SPI
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• For Use With: AT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51RD2-RLRUMTR

25.3.2
118
AT89C51RD2/ED2
External Program Memory Characteristics
Table 25-1.
Table 25-2.
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
PLAZ
LLPL
PLIV
PXIX
PXIZ
AVIV
LLIV
T
Symbol Description
AC Parameters for a Fix Clock
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
LLPL
PLAZ
LLIV
PLIV
PXIX
PXIZ
AVIV
T
Parameter
Oscillator clock period
ALE pulse width
Address Valid to ALE
Address Hold After ALE
ALE to Valid Instruction In
ALE to PSEN
PSEN Pulse Width
PSEN to Valid Instruction In
Input Instruction Hold After PSEN
Input Instruction Float After PSEN
Address to Valid Instruction In
PSEN Low to Address Float
Min
25
35
50
5
5
5
0
-M
Max
n 65
30
10
80
10
4235K–8051–05/08
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns