AT89C51ID2-SLRUM Atmel, AT89C51ID2-SLRUM Datasheet - Page 74

• Manufacturer Part Number: AT89C51ID2-SLRUM
• Description: IC 8051 MCU 64K FLASH 44-PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51ID2-SLRUM

• 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: 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: 44-PLCC
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: UART, SPI, TWI
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51ID2-SLRUMTR

4289C–8051–11/05
Note:
Table 57. Pin Conditions in Special Operating Modes
Down(inter
nal code)
(external
(external
(internal
Power-
Power-
Mode
Reset
code)
code)
Down
code)
Idle
Idle
pins, the instruction immediately following the instruction that activated the Power-Down
mode should not write to a Port pin or to the external RAM.
Exit from power-down by reset redefines all the
RAM content.
Floating
Floating
Floating
Port 0
Data
Data
Port 1
High
Data
Data
Data
Data
Port 2
High
Data
Data
Data
Data
Port 3
High
Data
Data
Data
Data
SFRs
, but does not affect the internal
Port 4
High
Data
Data
Data
Data
AT89C51ID2
ALE
High
High
High
Low
Low
PSEN#
High
High
High
Low
Low
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