AT80C51RD2-RLRUM Atmel, AT80C51RD2-RLRUM Datasheet - Page 68

• Manufacturer Part Number: AT80C51RD2-RLRUM
• Description: IC MCU 80C51 HI PERFORM 44VQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51RD2-RLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: AT80x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1280 B
• 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
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

17.3.3
17.3.4
4113D–8051–01/09
External Program Memory Read Cycle
External Data Memory Characteristics
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
Table 17-4.
T
LHLL
T
T
LLAX
AC Parameters for a Variable Clock
AVLL
A0-A7
T
AVIV
ADDRESS A8 - A15
T
LLIV
T
Symbol
LLPL
TPLAZ
T
T
T
T
T
T
T
T
T
T
T
T
PLIV
PLPH
LHLL
AVLL
LLAX
LLPL
AVIV
PLAZ
PLIV
PXIX
PXIZ
LLIV
T
PLPH
INSTR IN
T
PXIX
Type
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
12 T
CLCL
Standard
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T
Clock
T - x
T - x
T - x
T - x
PXIZ
x
x
T
PXAV
A0-A7
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T - x
ADDRESS A8-A15
x
x
AT80C51RD2
X Parameter for -
INSTR IN
M Range
15
20
20
35
15
25
45
15
45
10
0
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
65