AT89C51ED2-RDTUM Atmel, AT89C51ED2-RDTUM Datasheet - Page 120

• Manufacturer Part Number: AT89C51ED2-RDTUM
• Description: IC 8051 MCU FLASH 64K 64VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51ED2-RDTUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 50
• 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: 64-TQFP, 64-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: 50
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Cpu Family: AT89
• Device Core: 8051
• Device Core Size: 8b
• Frequency (max): 40MHz
• Total Internal Ram Size: 2KB
• # I/os (max): 50
• 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: 64
• Package Type: VQFP
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

120
AT89C51RD2/ED2
Table 25-4.
Table 25-5.
Symbol
Symbol
Symbol Description
AC Parameters for a Fix Clock
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
WLWH
QVWX
QVWH
WHQX
RHDX
RHDZ
AVWL
WHLH
RHDX
AVWL
WHLH
RLRH
RLDV
AVDV
RLAZ
RLRH
RLDV
RHDZ
AVDV
LLDV
LLWL
LLDV
LLWL
RLAZ
Parameter
RD Pulse Width
WR Pulse Width
RD to Valid Data In
Data Hold After RD
Data Float After RD
ALE to Valid Data In
Address to Valid Data In
ALE to WR or RD
Address to WR or RD
Data Valid to WR Transition
Data Set-up to WR High
Data Hold After WR
RD Low to Address Float
RD or WR High to ALE high
Min
125
125
155
45
70
10
0
5
0
5
-M
Max
155
160
105
95
25
45
4235K–8051–05/08
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns