AT89C51CC03U-RLRIM Atmel, AT89C51CC03U-RLRIM Datasheet - Page 42
AT89C51CC03U-RLRIM
Manufacturer Part Number
AT89C51CC03U-RLRIM
Description
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheets
1.AT89C51CC03C-S3RIM.pdf
(198 pages)
2.AT89C51CC03C-S3RIM.pdf
(32 pages)
3.AT89C51CC03C-S3RIM.pdf
(27 pages)
4.AT89C51CC03C-S3RIM.pdf
(184 pages)
Specifications of AT89C51CC03U-RLRIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, 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-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT89C51CC03URLRTR
Available stocks
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Manufacturer
Quantity
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Figure 22. External Code Fetch Waveforms
Flash Memory
Architecture
Figure 23. Flash Memory Architecture with ENBOOT=1 (boot mode)
42
AT89C51CC03
Extra Row (128 Bytes)
Hardware Security (1 byte)
Column Latches (128 Bytes)
CPU Clock
PSEN#
ALE
P0
P2
D7:0
PCH
AT89C51CC03 features two on-chip Flash memories:
•
•
The FM0 can be program by both parallel programming and Serial In-System Program-
ming (ISP) whereas FM1 supports only parallel programming by programmers. The ISP
mode is detailed in the "In-System Programming" section.
All Read/Write access operations on Flash Memory by user application are managed by
a set of API described in the "In-System Programming" section.
The bit ENBOOT in AUXR1 register is used to map FM1 from F800h to FFFFh. Figure
23 and Figure 24 show the Flash memory configuration with ENBOOT=1 and
ENBOOT=0.
FFFFh
F800h
0000h
Flash memory FM0:
containing 64K Bytes of program memory (user space) organized into 128 byte
pages,
Flash memory FM1:
2K Bytes for boot loader and Application Programming Interfaces (API).
PCL
64K Bytes
FM0
PCH
Memory space not accessible
D7:0
FM1 mapped between FFFFh and
F800h when bit ENBOOT is set in
AUXR1 register
PCL
Flash memory
boot space
2K Bytes
FM1
PCH
D7:0
FFFFh
F800h
4182O–CAN–09/08
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