AT89C51CC02CA-RATUM Atmel, AT89C51CC02CA-RATUM Datasheet - Page 44

• Manufacturer Part Number: AT89C51CC02CA-RATUM
• Description: IC 8051 MCU FLASH 16K 32-VQFP
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of AT89C51CC02CA-RATUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 512 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: 32-TQFP, 32-VQFP
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 20
• Number Of Timers: 1
• Operating Supply Voltage: 3 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: CANADAPT28
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Operation Cross
Memory Access
Table 26. Cross Memory Access
Note:
44
boot FLASH
FM0
1. RWW: Read While Write
AT/T89C51CC02
Action
Read
Write
Read
Write
RAM
Space addressable in read and write are:
•
•
•
•
•
•
•
•
The table below provides the different kind of memory which can be accessed from dif-
ferent code location.
ERAM
RAM
ERAM (Expanded RAM access by movx)
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
(1)
(1)
Hardware
Byte
OK
-OK
OK
-
(1)
4126L–CAN–01/08
XROW
OK
-OK
-
-
(1)