AT89C51ED2-RLTUM Atmel, AT89C51ED2-RLTUM Datasheet - Page 135

IC 8051 MCU FLASH 64K 44VQFP

AT89C51ED2-RLTUM

Manufacturer Part Number
AT89C51ED2-RLTUM
Description
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51ED2-RLTUM

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-TQFP, 44-VQFP
Cpu Family
89C
Device Core
8051
Device Core Size
8b
Frequency (max)
40MHz
Interface Type
SPI/UART
Total Internal Ram Size
2KB
# I/os (max)
34
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
44
Package Type
VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2 KB
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
34
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
Package
44VQFP
Family Name
AT89
Maximum Speed
40 MHz
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
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C51ED2-RLTUM
Manufacturer:
ATMEL
Quantity:
13 400
Part Number:
AT89C51ED2-RLTUM
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
AT89C51ED2-RLTUM
Manufacturer:
ATMEL
Quantity:
200
Part Number:
AT89C51ED2-RLTUM
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
136
AT89C51RD2/ED2
14 Serial I/O Port ......................................................................................... 48
15 Keyboard Interface ................................................................................ 59
16 Serial Port Interface (SPI) ...................................................................... 63
17 Interrupt System .................................................................................... 72
18 Power Management ............................................................................... 80
19 Hardware Watchdog Timer ................................................................... 84
20 ONCE
21 Power-off Flag ........................................................................................ 87
22 Reduced EMI Mode ................................................................................ 88
23 EEPROM Data Memory .......................................................................... 89
24 Flash/EEPROM Memory ........................................................................ 93
14.1
14.2
14.3
14.4
14.5
15.1
16.1
16.2
16.3
17.1
17.2
18.1
18.2
18.3
18.4
19.1
19.2
23.1
23.2
23.3
24.1
24.2
®
Mode (ON- Chip Emulation) ..................................................... 86
Framing Error Detection ..................................................................................48
Automatic Address Recognition ......................................................................49
Registers .........................................................................................................51
Baud Rate Selection for UART for Mode 1 and 3 ............................................51
UART Registers ...............................................................................................54
Registers .........................................................................................................60
Features ..........................................................................................................63
Signal Description ............................................................................................63
Functional Description .....................................................................................65
Registers .........................................................................................................73
Interrupt Sources and Vector Addresses .........................................................73
Introduction ......................................................................................................80
Idle Mode .........................................................................................................80
Power-Down Mode ..........................................................................................81
Registers .........................................................................................................83
Using the WDT ................................................................................................84
WDT during Power-down and Idle ...................................................................85
Write Data ........................................................................................................89
Read Data .......................................................................................................90
Registers .........................................................................................................91
Features ..........................................................................................................93
Flash Programming and Erasure .....................................................................93
4235K–8051–05/08

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