| 详细说明： | ||||||||||||||||
性能参数特点： • 只有 42 单词指令. • 所有指令是?个指令周期除了程序分支是两个指令周期 • 13 位宽指令. • GOTO指令(无ROM范围限制). • CALL 指令. (无ROM范围限制). • 8位宽数据总线. • 5 层深度的硬件堆栈. • 操作速度: 石英振荡DC-20 MHz • RC 振荡 DC-16 MHz
• 直接, 间接寻址模式存取数据. • 8位实时clock/counter (Timer0) 以8位可编程序的预除器(prescaler) . • 内部Power on reset (POR) . • 内建低压探测器(low voltage detector LVD) 给 Brown out reset(BOR) 使用 . • 电源启动重置定时器(Power-up reset timer PWRT) 和振荡启动定时器(Oscillator Start-up Timer OST) . • 芯片内部看门狗定时器(WDT) 是使用内部振荡器以确保芯片正常运作.软件可控制看门狗的致能/除能. • 两个 I/O 埠 IOA 和 IOB 可以独立方向控制. • 软件可控制 I/O端口的?拉电阻,?拉电阻或开汲极. • ?个内部?断来源: Timer0 溢位; • 两个外在?断来源: INT脚位触发, B埠 输入变动. • 睡眠唤醒由 INT 脚位触发或 B埠输入变动. • 省电睡眠方式. • 程序代码保护. • 可选择振荡器种类: 1. ERC: 外部RC震荡。 2、HF: 高频率 Crystal/Resonator振荡器 3. XT: Crystal/Resonator振荡器 （常规震荡频率） 4. LF: 低频率Crystal/Resonator振荡器 5、IRC ：IC内部RC震荡。 6、ERIC： 外部电阻内部电容震荡。 • 操作的电压范围: - OTP : 2.3V to 5.5V - MASK : 2.3V to 5.5V |
SPECIFICATIONS FEATURES:
• only 42 word instructions.
• All instructions are? Instruction cycle except for program branches are two instruction cycles
• 13-bit wide instructions.
• GOTO instruction (ROM-limit).
• CALL instruction. (ROM-limit).
• 8-bit wide data bus.
• 5 levels deep hardware stack.
• Operating speed: DC-20 MHz crystal oscillator
• RC oscillation DC-16 MHz
• Direct, indirect addressing mode to ess the data.
• 8-bit real time clock / counter (Timer0) with 8 programmable prescaler (prescaler).
• Internal Power on reset (POR).
• Built-in low-voltage detector (low voltage detector LVD) for Brown out reset (BOR) use.
• Power-on Reset Timer (Power-up reset timer PWRT) and oscillation starts a timer (Oscillator Start-up Timer OST).
• chip watchdog timer (WDT) is to use the internal oscillator to ensure the normal operation of the chip. Software controls the watchdog enable / disable.
• Two I / O ports IOA and IOB direction can be independently controlled.
• Software can control I / O ports? Pull-up resistor? Pull or open drain.
•? Internal? Off Source: Timer0 overflow;
• Two external? Off Source: INT pin trigger, B port input change.
• Sleep wake triggered by the INT pin or B port input change.
• Power saving sleep mode.
• Program code protection.
• Selectable oscillator types:
1. ERC: external RC oscillator.
2, HF: High Frequency Crystal / Resonator Oscillator
3. XT: Crystal / Resonator Oscillator (normal oscillation frequency)
4. LF: Low Frequency Crystal / Resonator Oscillator
5, IRC: IC internal RC oscillator.
6, ERIC: internal external resistor capacitor shocks.
• Operating voltage range:
- OTP: 2.3V to 5.5V
- MASK: 2.3V to 5.5V
