AT89C51AC3-SLSIM Atmel, AT89C51AC3-SLSIM Datasheet - Page 53
AT89C51AC3-SLSIM
Manufacturer Part Number
AT89C51AC3-SLSIM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51AC3-RLTUM.pdf
(140 pages)
Specifications of AT89C51AC3-SLSIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C51AC3-SLSIM
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Operation Cross Memory Access
Table 18. Cross Memory Access
Note:
4383D–8051–02/08
or Code Roll
boot FLASH
External
memory
EA = 0
Over
FM0
1. RWW: Read While Write
Action
Read
Write
Read
Write
Read
Write
RAM
Space addressable in read and write are:
•
•
•
•
•
•
•
•
•
The table below provide the different kind of memory which can be accessed from differ-
ent code location.
XRAM
ERAM
RAM
ERAM (Expanded RAM access by movx)
XRAM (eXternal RAM)
EEPROM DATA
FM0 ( user flash )
Hardware byte
XROW
Boot Flash
Flash Column latch
Boot FLASH
OK
OK
-
-
-
-
OK (idle)
FM0
OK
OK
OK
-
-
(1)
E² Data
OK
OK
OK
OK
OK
OK
(1)
(1)
(1)
Hardware
Byte
OK
OK
OK
-
-
-
(1)
XROW
OK
OK
-
-
-
-
(1)
53
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