參數(shù)資料
型號: PIC16F628-04I/SS
廠商: Microchip Technology
文件頁數(shù): 19/170頁
文件大?。?/td> 0K
描述: IC MCU FLASH 2KX14 COMP 20SSOP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 67
系列: PIC® 16F
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
連通性: UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: 閃存
EEPROM 大小: 128 x 8
RAM 容量: 224 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
包裝: 管件
配用: XLT20SS-1-ND - SOCKET TRANSITION 18DIP 20SSOP
AC164307-ND - MODULE SKT FOR PM3 28SSOP
2003 Microchip Technology Inc.
Preliminary
DS40300C-page 113
PIC16F62X
DECFSZ
Decrement f, Skip if 0
Syntax:
[ label ] DECFSZ f,d
Operands:
0
≤ f ≤ 127
d
∈ [0,1]
Operation:
(f) - 1
→ (dest);
skip if result =
0
Status Affected:
None
Encoding:
00
1011
dfff
ffff
Description:
The contents of register 'f' are
decremented. If 'd' is 0 the result
is placed in the W register. If 'd'
is 1 the result is placed back in
register 'f'.
If the result is 0, the next
instruction, which is already
fetched, is discarded. A NOP is
executed instead making it a
two-cycle instruction.
Words:
1
Cycles:
1(2)
Example
HERE
DECFSZ
REG1, 1
GOTO
LOOP
CONTINUE
Before Instruction
PC
= address HERE
After Instruction
REG1
= REG1 - 1
if REG1 = 0,
PC
= address CONTINUE
if REG1
≠ 0,
PC
= address HERE+1
GOTO
Unconditional Branch
Syntax:
[ label ]
GOTO k
Operands:
0
≤ k ≤ 2047
Operation:
k
→ PC<10:0>
PCLATH<4:3>
→ PC<12:11>
Status Affected:
None
Encoding:
10
1kkk
kkkk
Description:
GOTO
is an unconditional
branch. The eleven bit
immediate value is loaded into
PC bits <10:0>. The upper bits
of PC are loaded from
PCLATH<4:3>. GOTO is a two-
cycle instruction.
Words:
1
Cycles:
2
Example
GOTO THERE
After Instruction
PC = Address THERE
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