T89C51RD2-SLSIM Atmel, T89C51RD2-SLSIM Datasheet - Page 84

• Manufacturer Part Number: T89C51RD2-SLSIM
• Description: IC MICRO CTRL 64K FLASH 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C51RD2-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

84
8. Typicals are based on a limited number of samples and are not guaranteed. The values listed are at room temperature..
9. Under steady state (non-transient) conditions, I
T89C51RD2
transitions during bus operation. In the worst cases (capacitive loading 100pF), the noise pulse on the ALE line may exceed
0.45V with maxi V
Maximum I
Maximum I
Port 0: 26 mA
Ports 1, 2 and 3: 15 mA
Maximum total I
If I
than the listed test conditions.
OL
exceeds the test condition, V
OL
OL
per port pin: 10 mA
per 8-bit port:
OL
OL
for all output pins: 71 mA
peak 0.6V. A Schmitt Trigger use is not necessary.
Figure 33. I
Figure 34. I
OL
may exceed the related specification. Pins are not guaranteed to sink current greater
CC
CC
CLOCK
SIGNAL
Test Condition, Active Mode
Test Condition, Idle Mode
CLOCK
SIGNAL
(NC)
OL
must be externally limited as follows:
(NC)
V
V
RST
XTAL2
XTAL1
CC
SS
RST
XTAL2
XTAL1
V
V
SS
EA
CC
P0
I
CC
V
V
CC
EA
CC
V
I
P0
CC
CC
V
CC
V
CC
All other pins are disconnected.
All other pins are disconnected.
4243G–8051–05/03