深圳芯片解密研究所长期提供ATMEL系列众多单片机型号的解密服务，目前，AT89系列单片机解密技术已经被成功破解，解密周期短、解密成功率高、解密价格合理。在此，我们以AT89C51CC02单片机解密为例进行说明，更多解密详情请咨询电话：0755-82221641，QQ：1258381957。
AT89C51CC02描述： Part of the CANaryTM family of 8-bit microcontrollers dedicated to CAN network applications,the T89C51CC02 is a low-pin count 8-bit Flash microcontroller.In X2 Mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.Besides the full CAN controller T89C51CC02 provides 16K Bytes of Flash memory including In-System Programming (ISP), 2K Bytes Boot Flash Memory, 2K Bytes EEPROM and 512 Bytes RAM.Special attention is payed to the reduction of the electro-magnetic emission ofT89C51CC02.
AT89C51CC02特征：
80C51 Core Architecture
256 Bytes of On-chip RAM
256 Bytes of On-chip XRAM
16K Bytes of On-chip Flash Memory
– Data Retention: 10 Years at 85°C
– Erase/Write Cycle: 100K
Boot Code Section with Independent Lock Bits
2K Bytes of On-chip Flash for Bootloader
In-System Programming by On-Chip Boot Program (CAN, UART) and IAP Capability
2K Bytes of On-chip EEPROM
– Erase/Write Cycle: 100K
14-sources 4-level Interrupts
Three 16-bit Timers/Counters
Full Duplex UART Compatible 80C51
Maximum Crystal Frequency 40 MHz. In X2 Mode, 20 MHz (CPU Core, 40 MHz)
Three or Four Ports: 16 or 20 Digital I/O Lines
Two-channel 16-bit PCA
– PWM (8-bit)
– High-speed Output
– Timer and Edge Capture
Double Data Pointer
21-bit Watchdog Timer (7 Programmable bits)
A 10-bit Resolution Analog-to-Digital Converter (ADC) with 8 Multiplexed Inputs
Full CAN Controller
– Fully Compliant with CAN rev.# 2.0A and 2.0B
– Optimized Structure for Communication Management (Via SFR)
– 4 Independent Message Objects
-Each Message Object Programmable on Transmission or Reception
-Individual Tag and Mask Filters up to 29-bit Identifier/Channel
-8-byte Cyclic Data Register (FIFO)/Message Object
-16-bit Status and Control Register/Message Object
-16-bit Time-Stamping Register/Message Object
-CAN Specification 2.0 Part A or 2.0 Part B Programmable for Each Message Object
-Access to Message Object Control and Data Registers Via SFR
-Programmable Reception Buffer Length up to 4 Message Objects
-Priority Management of Reception of Hits on Several Message Objects Simultaneously (Basic CAN Feature)
-Priority Management for Transmission
-Message Object Overrun Interrupt
– Supports
-Time Triggered Communication
-Autobaud and Listening Mode
-Programmable Automatic Reply Mode
1-Mbit/s Maximum Transfer Rate at 8 MHz(1) Crystal Frequency In X2 Mode
Readable Error Counters
Programmable Link to On-chip Timer for Time Stamping and Network Synchronization
Independent Baud Rate Prescaler
Data, Remote, Error and Overload Frame Handling
Power-saving Modes
– Idle Mode
– Power-down Mode
Power Supply: 3 Volts to 5.5 Volts
Temperature Range: Industrial (-40° to +85°C)
Packages: SOIC28, SOIC24, PLCC28, VQFP32
