參數(shù)資料
          

          


          


          
型號(hào)：
P83CE598FHB

          

          
廠商：
NXP SEMICONDUCTORS

          

          
元件分類(lèi)：
微控制器/微處理器

          

          
英文描述：
8-bit microcontroller with CAN controller(帶CAN控制器的8位微控制器)

          

          
中文描述：
8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80

          

          
封裝：
PLASTIC, QFP-80

          

          
文件頁(yè)數(shù)：
73/108頁(yè)

          

          
文件大小：
661K

          

          
代理商：
P83CE598FHB


          

          

          

	
          
    
    

    
          
	
          1996 Jun 27
          73
          Philips Semiconductors
          Product specification
          8-bit microcontroller with on-chip CAN
          P8xCE598
          17.1
          Power-on Reset
          If the RST pin is connected to V
          DD
           via a 2.2
           μ
          F capacitor,
          as shown in Fig.26, an automatic reset can be obtained by
          switching on V
          DD
           (provided its rise time is
           <
          10 ms). The
          decrease of the RST pin voltage depends on the capacitor
          and the internal resistor R
          RST
          . That voltage must remain
          above the lower threshold for at minimum the oscillator
          start-up time plus 2 machine cycles.
          18 INSTRUCTION SET
          The P8xCE598 uses the powerful instruction set of the
          P80C51. It consists of 49 single-byte, 45 two-byte and 17
          three-byte instructions. Using a 16 MHz quartz, 64 of the
          instructions are executed in 0.75
           μ
          s, 45 in 1.5
           μ
          s and the
          multiply, divide instructions in 3
           μ
          s. A summary of the
          instruction set is given in Tables 84, 85, 86, 87 and 88.
          Fig.26  Power-on-reset.
          handbook, halfpage
          VDD
          RST
          2.2 
          μ
          F
          RRST
          MLB232
          P8xCE598
          18.1
          Addressing Modes
          Most instructions have a ‘destination/source’ field that
          specifies the data type, addressing modes and operands
          involved. For all these instructions, except from MOVs, the
          destination operand is also a source operand
          (e.g. ADD A, R7).
          Five types of addressing modes are used:
           Register Addressing,
          – R0 to R7 (4 banks)
          – A,B,C (bit), AB (2 bytes), DPTR (double byte).
           Direct Addressing,
          – lower 128 bytes of internal Main RAM
          (including the 4 R0 to R7 register banks)
          – Special Function Registers (SFRs)
          – 128 bits in a subset of the internal Main RAM
          (see Fig.5)
          – 128 bits in a subset of the Special Function Registers
          (see Figs 6 and 7).
           Register-Indirect Addressing,
          – internal RAM (@R0, @R1, @SP
           [
          PUSH/POP
          ]
          )
          – internal Auxiliary RAM (@R0, @R1, @DPTR)
          – external Data Memory (@DPTR).
           Immediate Addressing,
          – Program Memory (in-code 8 bit or 16 bit constant)
           Base-Register-plus Index-Register-Indirect Addressing,
          – Program Memory look-up table
          (@DPTR+A, @PC+A).
          The first three addressing modes are usable for
          destination operands.
          
    
          
    
    
          


          


          

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