AT89C51ED2-SLSIM Atmel, AT89C51ED2-SLSIM Datasheet - Page 83
AT89C51ED2-SLSIM
Manufacturer Part Number
AT89C51ED2-SLSIM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51ED2-SLSIM
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
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Manufacturer
Quantity
Price
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Part Number:
AT89C51ED2-SLSIM
Manufacturer:
MAXIM
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18.4
4235K–8051–05/08
Registers
Table 18-2.
Reset Value= XXXX 0000b
Bit Number
7-4
7
3
2
1
0
-
Mnemonic
PCON Register
PCON (S87:h) Power configuration Register
GF1
GF0
IDL
PD
Bit
6
-
-
Description
Reserved
The value read from these bits is indeterminate. Do not set these bits.
General Purpose flag 1
One use is to indicate whether an interrupt occurred during normal operation or during
Idle mode.
General Purpose flag 0
One use is to indicate whether an interrupt occurred during normal operation or during
Idle mode.
Power-Down Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Power-Down mode.
If IDL and PD are both set, PD takes precedence.
Idle Mode bit
Cleared by hardware when an interrupt or reset occurs.
Set to activate the Idle mode.
If IDL and PD are both set, PD takes precedence.
5
-
4
-
GF1
3
AT89C51RD2/ED2
GF0
2
PD
1
IDL
0
83
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