S3F84YB的特征详细信息

　　
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  　S3F84YB芯片的特征介绍让更多的人链接 S3F84YB芯片的性能

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以下是S3F84YB的特征详细信息

 Features
　　CPU
　　- SAM88 RC CPU core
　　Memory
　　- Program Memory (ROM)
　　- 64K × 8 bits program memory
　　- Internal flash memory (program memory)
　　- Sector size: 128 bytes
　　- 10 years data retention
　　- Fast programming time:
　　- User program and sector erase available
　　- Endurance: 10,000 erase/program cycles
　　- External serial programming support
　　- Expandable OBPTM (on board program) sector
　　- Data Memory (RAM)
　　- Including LCD display data memory
　　- 2,114 × 8 bits data memory
　　Instruction Set
　　- 78 instructions
　　- Idle and stop instructions added for power-down modes
　　70 I/O Pins
　　- I/O: 18 pins (Sharing with other signal pins)
　　- I/O: 52 pins (Sharing with LCD signal outputs)
　　Interrupts
　　- 8 interrupt levels and 31 interrupt sources
　　- Fast interrupt processing feature
　　8-Bit Basic Timer
　　- Watchdog timer function
　　- 4 kinds of clock source
　　8-Bit Timer/Counter A
　　- Programmable 8-bit internal timer
　　- External event counter function
　　- PWM and capture function
　　8-Bit Timer/Counter B
　　- Programmable 8-bit internal timer
　　- Carrier frequency generator
　　Two 16-Bit Timer/Counter (C0/C1)
　　- Programmable 8-bit internal timer
　　- PWM function
　　Two 16-Bit Timer/Counter (D0/D1)
　　- Programmable 16-bit internal timer
　　- External event counter function
　　- PWM and capture function
　　Watch Timer
　　- Interval time: 1.995mS, 0.125S, 0.25S, and 0.5S at 32.768 kHz
　　- 0.5/1/2/4 kHz Selectable buzzer output LCD Controller/Driver
　　- 44 segments and 8 common terminals
　　- 1/2, 1/3, 1/4, and 1/8 duty selectable
　　- Capacitor or resistor bias selectable
　　- Regulator and booster circuit for LCD bias
　　Analog to Digital Converter
　　- 8-channel analog input
　　- 10-bit conversion resolution
　　- 25uS conversion time
　　Digital to Analog Converter
　　- 1-channel analog output
　　- 8-bit conversion resolution (R-2R)
　　Two Channels UART
　　- Full-duplex serial I/O interface
　　- Four programmable operating modes
　　- Auto generating parity bit
　　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
　　Pattern Generation Module
　　- Pattern generation module triggered by timer match signal and software
　　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 ? 12.0 MHz
　　- 32.768 kHz crystal oscillation circuit for sub clock
　　Instruction Execution Times
　　- 333nS at 12.0 MHz fx (minimum)