三星S3F834B芯片解密技术方案
S3F834B解密等三星系列芯片解密是盛世科技成功破解的典型单片机系列。针对S3F834B单片机以及其他S3F8系列单片机,本公司均可提供安全可靠、价格合理、高效优质的解密技术服务。
S3F834B features
Memory
- 16 k x 8 bit program memory
- 5,120 x 4 bit data memory
- 144 x 5 bit LCD display memory
39 I/O Pins
- I/O: 23 pins
- Output: maximum 16 pins for 1-bit level output (sharing with segment driver outputs)
8-Bit Basic Timer
- Four internal timer functions
- Watch-dog timer
8-Bit Timer/Counter 0
- Programmable 8-bit timer
- External event counter
- Arbitrary clock frequency output
- External clock signal divider
8-Bit Timer/Counter 1
- Programmable 8-bit timer
Watch Timer
- Time interval generation: 0.5ms, 3.91ms at 32.768 kHz
- 4 frequency (
Interrupts
- Three external vectored interrupts: INT0, INT1, INTP0
- Three internal vectored interrupts: INTB, INTT0, INTT1
- Two quasi-interrupts: INTW, INT2 Memory Mapped I/O Structure
LCD Display
- 60 segments and 12 common terminals
- 9, 10, 11, and 12 common selectable
- Two internal resistor circuit for LCD bias (selectable)
- 16 level LCD contrast control (software)
External Memory Interface
- 512 k x 8 bit external memory access (19 address and 8 data pins-sharing with segment driver outputs)
- Six external memory selection pins (DM0-DM5)
- 1 data read and 1 data write pins (DR, DWsharing with segment driver outputs)
Power-Down Modes
- Idle mode (only CPU clock stops)
- Stop mode (Main-System clock, Sub-System clock and CPU clock stops)
Oscillation Sources
- Crystal, ceramic, or External RC for system clock
- Main-system clock frequency: 0.4 MHz-6 MHz
- Sub-system clock frequency: 32.768 kHz
- CPU clock divider circuit (by 4,8, or 64)
Instruction Execution Times
- 0.67, 1.33, 10.7 ?s at 6 MHz
- 0.95, 1.91, 15.3 ?s at 4.19 MHz
- 122 ?s at 32.768 kHz
Operating Temperature
- -25 °C to 85 °C
Operating Voltage Range
- 1.8 V to 5.5 V
Package Type
- 100-pin QFP Package