參數(shù)資料
      型號: PIC16C66-20/SP
      廠商: Microchip Technology
      文件頁數(shù): 118/126頁
      文件大小: 0K
      描述: IC MCU OTP 8KX14 PWM 28DIP
      產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
      8-bit PIC® Microcontroller Portfolio
      標(biāo)準(zhǔn)包裝: 15
      系列: PIC® 16C
      核心處理器: PIC
      芯體尺寸: 8-位
      速度: 20MHz
      連通性: I²C,SPI,UART/USART
      外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
      輸入/輸出數(shù): 22
      程序存儲器容量: 14KB(8K x 14)
      程序存儲器類型: OTP
      RAM 容量: 368 x 8
      電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
      振蕩器型: 外部
      工作溫度: 0°C ~ 70°C
      封裝/外殼: 28-DIP(0.300",7.62mm)
      包裝: 管件
      91
      AT90S/LS4433
      1042H–AVR–04/03
      Programming the Fuse Bits
      The algorithm for programming the Fuse bits is as follows (refer to “Programming the
      Flash” for details on command and data loading):
      A: Load Command “0100 0000”.
      B: Load Data Low Byte. Bit n = “0” programs and bit n = “1” erases the Fuse bit.
      Bit 5 = SPIEN Fuse bit
      Bit 4 = BODLEVEL Fuse bit
      Bit 3 = BODEN Fuse bit
      Bit 2 = CKSEL2 Fuse bit
      Bit 1 = CKSEL1 Fuse bit
      Bit 0 = CKSEL0 Fuse bit
      Bits 7 - 6 = “1”. These bits are reserved and should be left unprogrammed (“1”).
      1.
      Give WR a t
      WLWH_PFB wide negative pulse to execute the programming, tWLWH_PFB
      is found in Table 33. Programming the Fuse bits does not generate any activity
      on the RDY/BSY pin.
      Programming the Lock Bits
      The algorithm for programming the Lock bits is as follows (refer to “Programming the
      Flash” for details on command and data loading):
      A: Load Command “0010 0000”.
      B: Load Data Low Byte. Bit n = “0” programs the Lock bit.
      Bit 2 = Lock bit 2
      Bit 1 = Lock bit 1
      Bits 7 - 3, 0 = “1”. These bits are reserved and should be left unprogrammed (“1”).
      C: Write Data Low Byte.
      The Lock bits can only be cleared by executing Chip Erase.
      Reading the Fuse and Lock
      Bits
      The algorithm for reading the Fuse and Lock bits is as follows (refer to “Programming
      the Flash” for details on command loading):
      A: Load Command “0000 0100”.
      1.
      Set OE to “0”, and BS to “0”. The status of the Fuse bits can now be read at
      DATA (“0” means programmed).
      Bit 5 = SPIEN Fuse bit
      Bit 4 = BODLEVEL Fuse bit
      Bit 3 = BODEN Fuse bit
      Bit 2 = CKSEL2 Fuse bit
      Bit 1 = CKSEL1 Fuse bit
      Bit 0 = CKSEL0 Fuse bit
      2.
      Set BS to “1”. The status of the Lock bits can now be read at DATA (“0” means
      programmed).
      Bit 2 = Lock Bit 2
      Bit 1= Lock Bit 1
      3.
      Set OE to “1”.
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