橙盒芯片解密——S
对于S3F833B单片机解密，一般来说，单片机攻击者借助专用设备或者自制设备，利用单片机芯片设计上的漏洞或软件缺陷，通过多种技术手段从芯片中提取关键信息，获取单片机内程序的过程就叫单片机解密。
橙盒科技作为单片机解密研究领域的{ldz}及xx技术专家，长期针对S3F833B单片机解密、三星解密、SST解密、STC单片机解密、CYPRESS、FREESCALE单片机解密等领域进行研究，目前可以针对市场上常见的大部分典型单片机提供高效可靠的解密方案。
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S3F833B Features
CPU
- SAM88 RC CPU core
Memory
- 64K x 8 bits program memory (ROM)
- 2.5K x 8 bits data memory (RAM)
Instruction Set
- 78 instructions
- Idle and stop instructions
86 I/O Pins
- 77-bit I/O port (44 pins sharing LCD signals)
- 9-bit Input port
Interrupts
- 8 interrupt levels and 21 interrupt sources
- Fast interrupt processing feature
8-Bit Basic Timer
- Watchdog timer function
- 4 kinds of clock source
8-Bit Timer/Counter 0
- Programmable 8-bit internal timer
- External event counter function
- PWM and capture function
8-Bit Timer/Counter 1
- Programmable 8-bit internal timer
- External event counter function
16-Bit Timer/Counter 2
- Programmable 16-bit internal timer
- External event counter function
Watch Timer
- Interval time: 50mS, 0.1S, 0.5S, and 1S
- 0.47/0.94/1.87/3.75 kHz Selectable buzzer output
Analog to Digital Converter
- 12-channel analog input
- 10-bit conversion resolution
PLL Frequency Synthesizer
- Level: 100mVp-p (min) - AMVCO range:
0.5MHz to 5MHz or 5MHz to 30MHz
- FMVCO range: 30 MHz to 130 MHz
- Level: 150mVp-p (min)
- FMVCO range: 30 MHz to 150 MHz
20-Bit Intermediate Frequency (IF) Counter
- Level: 100mVp-p (min)
- AMIF range: 100 kHz to 1 MHz
- FMIF range: 5 MHz to 15 MHz
LCD Controller/Driver
- 36 segments and 8 common terminals
- 8, 4, 3, 2 common selectable
- Internal or external resistor circuit for LCD bias
Two 8- bit UART
- Full-duplex serial I/O interface
- Four programmable operating modes
Two 8-bit Serial I/O Interface
- 8-bit transmit/receive mode
- 8-bit receive mode
- LSB-first or MSB-first transmission selectable
- Internal or External clock source
Low Voltage Reset (LVR)
- 2-Creteria voltage selectable (2.3V, 2.6V)
- En/Disable by smart option (ROM address: 3FH)
Two Power-Down Modes
- Idle: only CPU clock stops
- Stop: selected system clock and CPU clock stop
Oscillation Sources
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- Main clock frequency: 0.4 MHz -12MHz
Instruction Execution Times
- 0.33 us at 12 MHz fx (minimum)
Operating
- -25°C to +85°C at
2.0 V to 3.6 V at 0.4 - 4.2 MHz
2.7 V to 3.6 V at 0.4 - 12 MHz
2.0 V to 3.6 V at 75 kHz
2.7 V to 3.6 V in PLL/IFC Mode
2.7V to 3.6V at 4.5/7.2/9 MHz
(PLL OSC at 75 kHz)
- -40°C to +85°C at
2.4 V to 3.6 V at 0.4 - 4.2 MHz
2.7 V to 3.6 V at 0.4 - 12 MHz
2.4V to 3.6V at 75 kHz
2.7 V to 3.6 V in PLL/IFC Mode
2.7V to 3.6V at 4.5/7.2/9 MHz
(PLL OSC at 75 kHz)
Operating
- -40°C to +85°C
Current Consumption
- Stop Current (in LVR Disable Mode)
1uA(typ) at VDD = 3 V
Package Type
- S3F833B: 100-QFP-1420C
S3F834B: 100-TQFP-1414
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