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參數(shù)資料
| 型號(hào)： | PIC10F202T-I/PG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDIP8 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-8 |
| 文件頁數(shù)： | 17/88頁 |
| 文件大?。?/td> | 1127K |
| 代理商： | PIC10F202T-I/PG |
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PIC10F200/202/204/206
DS41239A-page 22
Preliminary
2004 Microchip Technology Inc.
4.7
Program Counter
As a program instruction is executed, the Program
Counter (PC) will contain the address of the next
program instruction to be executed. The PC value is
increased by one every instruction cycle, unless an
instruction changes the PC.
For a GOTO instruction, bits 8:0 of the PC are provided
by the GOTO instruction word. The Program Counter
(PCL) is mapped to PC<7:0>.
For a CALL instruction, or any instruction where the
PCL is the destination, bits 7:0 of the PC again are pro-
vided by the instruction word. However, PC<8> does
not come from the instruction word, but is always
cleared (Figure 4-5).
Instructions where the PCL is the destination, or modify
PCL instructions, include MOVWF PC, ADDWF PC and
BSF PC,5.
FIGURE 4-5:
LOADING OF PC
BRANCH INSTRUCTIONS
4.7.1
EFFECTS OF RESET
The PC is set upon a Reset, which means that the PC
addresses the last location in program memory (i.e.,
the oscillator calibration instruction). After executing
MOVLW XX
, the PC will roll over to location 0000h and
begin executing user code.
4.8
Stack
The PIC10F200/204 devices have a 2-deep, 8-bit wide
hardware PUSH/POP stack.
The PIC10F202/206 devices have a 2-deep, 9-bit wide
hardware PUSH/POP stack.
A CALL instruction will PUSH the current value of Stack 1
into Stack 2 and then PUSH the current PC value,
incremented by one, into Stack Level 1. If more than two
sequential CALLs are executed, only the most recent two
return addresses are stored.
A RETLW instruction will POP the contents of Stack
Level 1 into the PC and then copy Stack Level 2
contents into level 1. If more than two sequential
RETLW
s are executed, the stack will be filled with the
address previously stored in Stack Level 2. Note that
the W register will be loaded with the literal value
specified in the instruction. This is particularly useful for
the implementation of data look-up tables within the
program memory.
Note:
Because PC<8> is cleared in the CALL
instruction or any modify PCL instruction,
all subroutine calls or computed jumps are
limited to the first 256 locations of any
program memory page (512 words long).
PC
87
0
PCL
Instruction Word
GOTO
Instruction
CALL
or Modify PCL Instruction
PC
87
0
PCL
Instruction Word
Reset to ‘0’
Note 1: There are no Status bits to indicate stack
overflows or stack underflow conditions.
2: There are no instruction mnemonics
called PUSH or POP. These are actions
that occur from the execution of the CALL
and RETLW instructions.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PIC10F204 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F204-E/MC | 功能描述:8位微控制器 -MCU 384B Flash16B RAM 4 I/O Comparator 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 |
| PIC10F204-E/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:6-Pin, 8-Bit Flash Microcontrollers |
| PIC10F204-E/P | 功能描述:8位微控制器 -MCU .375kBF 16RM 4I/O Ext Temp PDIP8 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 |
| PIC10F204-I/MC | 功能描述:8位微控制器 -MCU 0.375KB 16B RAM 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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