AT89C51CC03C-RDTIM Atmel, AT89C51CC03C-RDTIM Datasheet - Page 56

• Manufacturer Part Number: AT89C51CC03C-RDTIM
• Description: IC 8051 MCU FLASH 64K 64VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC03C-RDTIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, SPI, 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: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: AT89C51CC03CRDTIM

Operation Cross Memory Access
Table 18. Cross Memory Access
56
or Code Roll
boot FLASH
External
memory
EA = 0
Over
FM0
AT89C51CC03
Action
Read
Read
Read
Write
Write
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
(confidential)
OK
OK
-
-
-
-
OK (RWW)
OK (idle)
FM0
OK
OK
-
-
OK (RWW)
OK(RWW)
OK(RWW)
E² Data
OK
OK
OK
Hardware
OK (RWW)
Byte
-OK
OK
-
-
-
4182E–CAN–05/04
OK (RWW)
XROW
-OK
-
-
-
-