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S3F8274芯片解密——三星单片机解密

  有S3F8274芯片解密等三星单片机解密需求者请与深圳芯片解密研究所联系。本研究所是目前国内最权威的芯片解密技术研究机构之一,在三星系列单片机解密领域的技术水平居于业界权威领导地位,针对三星芯片解密的解密成功率高、可靠性强,解密周期短、价格低,能够为客户提供最值得信赖的解密技术服务。
  目前,深圳芯片解密研究所已经成功破解大部分典型三星芯片,这里,我们以S3F8274芯片为例,针对其内部性能特征进行简单介绍,供广大客户参考借鉴。
  S3F8274 FEATURES
  CPU
  · SAM88RC CPU core
  Memory
  · Program Memory(ROM)
  - 16K?8 bits program memory(S3C8275/F8275)
  - 8K?8 bits program memory(S3C8278/F8278)
  - 4K?8 bits program memory(S3C8274/F8274)
  - Internal flash memory(Program memory)
  Sector size: 128 Bytes
  10 Years data retention
  Fast programming time:
  + Chip erase: 10ms
  + Sector erase: 10ms
  + Byte program: 30us
  User programmable by ‘LDC’ instruction
  Endurance: 10,000 erase/program cycles
  Sector(128-bytes) erase available
  Byte programmable
  External serial programming support
  Expandable OBPTM(On board program)
  sector
  · Data Memory (RAM)
  - Including LCD display data memory
  - 544 ? 8 bits data memory(S3C8275/F8275)
  - 288 ? 8 bits data memory(S3C8278/F8278)
  - 288 ? 8 bits data memory(S3C8274/F8274)
  Instruction Set
  · 78 instructions
  · Idle and Stop instructions added for power-down
  modes
  52 I/O Pins
  · I/O: 16 pins
  · I/O: 36 pins (Sharing with LCD signal outputs)
  Interrupts
  · 8 interrupt levels and 12 interrupt sources
  · Fast interrupt processing feature
  8-Bit Basic Timer
  · Watchdog timer function
  · 4 kinds of clock source
  Two 8-Bit Timer/Counters
  · Programmable interval timer
  · External event counter function
  · Configurable as one 16-bit timer/counters
  Watch Timer
  · Interval time: 3.91mS, 0.25S, 0.5S, and 1S
  at 32.768 kHz
  · 0.5/1/2/4 kHz Selectable buzzer output
  LCD Controller/Driver
  · 32 segments and 4 common terminals
  · Static, 1/2 duty, 1/3 duty, and 1/4 duty selectable
  · Internal resistor circuit for LCD bias
  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
  Battery Level Detector
  · 3-criteria voltage selectable (2.2V, 2.4V, 2.8V)
  · En/Disable by software for current consumption
  source
  Low Voltage Reset (LVR)
  · Criteria voltage: 2.2V
  · 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
  · Crystal, ceramic, or RC for main clock
  · Main clock frequency: 0.4 MHz – 8 MHz
  · 32.768 kHz crystal for sub clock
  Instruction Execution Times
  · 500nS at 8 MHz fx(minimum)
  Operating Voltage Range
  · 2.0 V to 3.6 V at 0.4 – 4.2 MHz
  · 2.5 V to 3.6 V at 0.4 – 8.0 MHz
  Operating Temperature Range
  · –25 °C to +85 °C
  Package Type
  · 64-QFP-1420F, 64-LQFP-1010
  Smart Option
  · Low Voltage Reset(LVR) level and enable/disable
  are at your hardwired option (ROM address 3FH)
  · ISP related option selectable
  (ROM address 3EH)
  如果客户有S3F8274芯片解密等三星单片机解密需求,请与深圳芯片解密研究所联系咨询更多解密详情