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    參數(shù)資料
    

    


    


    
型號(hào)：
PIC17C752T-33E/PT

    

    
廠商：
Microchip Technology

    

    
文件頁數(shù)：
111/159頁

    

    
文件大?。?/td>
0K

    

    
描述：
IC MCU CMOS 33MHZ 8K EPRM 64TQFP

    

    
標(biāo)準(zhǔn)包裝：
1,200

    

    
系列：
PIC® 17C

    

    
核心處理器：
PIC
    		

    

    
芯體尺寸：
8-位
    		

    

    
速度：
33MHz
    		

    

    
連通性：
I²C，SPI，UART/USART
    		

    

    
外圍設(shè)備：
欠壓檢測(cè)/復(fù)位，POR，PWM，WDT
    		

    

    
輸入/輸出數(shù)：
50
    		

    

    
程序存儲(chǔ)器容量：
16KB（8K x 16）
    		

    

    
程序存儲(chǔ)器類型：
OTP
    		

    

    
RAM 容量：
454 x 8
    		

    

    
電壓 - 電源 (Vcc/Vdd)：
4.5 V ~ 5.5 V
    		

    

    
數(shù)據(jù)轉(zhuǎn)換器：
A/D 12x10b
    		

    

    
振蕩器型：
外部
    		

    

    
工作溫度：
-40°C ~ 125°C
    		

    

    
封裝/外殼：
64-TQFP
    		

    

    
包裝：
帶卷 (TR)
    		

    

    

    

	
    
    
    

    
    
	
    PIC17C7XX
    DS30289B-page 54
     2000 Microchip Technology Inc.
    7.3
    Stack Operation
    PIC17C7XX devices have a 16 x 16-bit hardware stack
    (Figure 7-1). The stack is not part of either the program
    or data memory space, and the stack pointer is neither
    readable nor writable. The PC (Program Counter) is
    “PUSH’d” onto the stack when a CALL or LCALL
    instruction is executed, or an interrupt is acknowl-
    edged. The stack is “POP’d” in the event of a RETURN,
    RETLW
    , or a RETFIE instruction execution. PCLATH is
    not affected by a “PUSH” or a “POP” operation.
    The stack operates as a circular buffer, with the stack
    pointer initialized to '0' after all RESETS. There is a
    stack available bit (STKAV) to allow software to ensure
    that the stack will not overflow. The STKAV bit is set
    after a device RESET. When the stack pointer equals
    Fh, STKAV is cleared. When the stack pointer rolls over
    from Fh to 0h, the STKAV bit will be held clear until a
    device RESET.
    After the device is “PUSH’d” sixteen times (without a
    “POP”), the seventeenth push overwrites the value
    from the first push. The eighteenth push overwrites the
    second push (and so on).
    7.4
    Indirect Addressing
    Indirect addressing is a mode of addressing data mem-
    ory where the data memory address in the instruction
    is not fixed. That is, the register that is to be read or
    written can be modified by the program. This can be
    useful for data tables in the data memory. Figure 7-6
    shows the operation of indirect addressing. This
    depicts the moving of the value to the data memory
    address specified by the value of the FSR register.
    Example 7-1 shows the use of indirect addressing to
    clear RAM in a minimum number of instructions. A sim-
    ilar concept could be used to move a defined number
    of bytes (block) of data to the USART transmit register
    (TXREG). The starting address of the block of data to
    be transmitted could easily be modified by the program.
    FIGURE 7-6:
    INDIRECT ADDRESSING
    7.4.1
    INDIRECT ADDRESSING
    REGISTERS
    The PIC17C7XX has four registers for indirect address-
    ing. These registers are:
     INDF0 and FSR0
     INDF1 and FSR1
    Registers INDF0 and INDF1 are not physically imple-
    mented. Reading or writing to these registers activates
    indirect addressing, with the value in the corresponding
    FSR register being the address of the data. The FSR is
    an 8-bit register and allows addressing anywhere in the
    256-byte data memory address range. For banked
    memory, the bank of memory accessed is specified by
    the value in the BSR.
    If file INDF0 (or INDF1) itself is read indirectly via an
    FSR, all '0's are read (Zero bit is set). Similarly, if INDF0
    (or INDF1) is written to indirectly, the operation will be
    equivalent to a NOP, and the status bits are not affected.
    Note 1: There is not a status bit for stack under-
    flow. The STKAV bit can be used to detect
    the underflow which results in the stack
    pointer being at the Top-of-Stack.
    2: There are no instruction mnemonics
    called PUSH or POP. These are actions
    that occur from the execution of the CALL,
    RETURN
    , RETLW and RETFIE instruc-
    tions, or the vectoring to an interrupt
    vector.
    3: After a RESET, if a “POP” operation
    occurs before a “PUSH” operation, the
    STKAV bit will be cleared. This will
    appear as if the stack is full (underflow
    has occurred). If a “PUSH” operation
    occurs next (before another “POP”), the
    STKAV bit will be locked clear. Only a
    device RESET will cause this bit to set.
    Opcode
    Address
    File = INDFx
    FSR
    Instruction
    Executed
    Instruction
    Fetched
    RAM
    Opcode
    File
    8
    
    
    
    
    
    


    


    

    相關(guān)PDF資料
    		

    PDF描述
    		

    
    

    
2-84982-5
CONN FFC 25POS 1.00MM VERT SMD

    

    
PIC17C752T-33E/L
IC MCU CMOS 33MHZ 8K EPRM 68PLCC

    

    
2-84982-4
CONN FFC 24POS 1.00MM VERT SMD

    

    
PIC17C752T-16E/PT
IC MCU CMOS 16MHZ 8K EPRM 64TQFP

    

    
1-84982-9
CONN FFC 19POS 1.00MM VERT SMD

    

    

    

    


    


    

    相關(guān)代理商/技術(shù)參數(shù)
    		

    參數(shù)描述
    		

    
    

    
PIC17C752T-33I/L
功能描述:8位微控制器 -MCU 16KB 678 RAM 50 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC17C752T-33I/PT
功能描述:8位微控制器 -MCU 16KB 678 RAM 50 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
PIC17C756-33I/L
 制造商:MICHIP 功能描述:

    

    
PIC17C756-33I/PT
 制造商:Microchip Technology Inc 功能描述:

    

    
PIC17C756A/CL
功能描述:8位微控制器 -MCU 32KB 902 RAM 50 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT

    

    
    
    
    
	
    	
    
    
     
     
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