參數資料
型號: PIC16LC505T-04I/SL
廠商: Microchip Technology
文件頁數: 39/90頁
文件大小: 0K
描述: IC MCU OTP 1KX12 14SOIC
產品培訓模塊: Asynchronous Stimulus
標準包裝: 2,600
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設備: POR,WDT
輸入/輸出數: 12
程序存儲器容量: 1.5KB(1K x 12)
程序存儲器類型: OTP
RAM 容量: 72 x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
包裝: 帶卷 (TR)
其它名稱: PIC16LC505T-04ISL
PIC16C505
DS40192D-page 44
1999-2012 Microchip Technology Inc.
COMF
Complement f
Syntax:
[
label ] COMF
f,d
Operands:
0
f 31
d
[0,1]
Operation:
(f)
(dest)
Status Affected:
Z
Encoding:
0010
01df
ffff
Description:
The contents of register 'f' are
complemented. If 'd' is 0, the result
is stored in the W register. If 'd' is
1, the result is stored back in regis-
ter 'f'.
Words:
1
Cycles:
1
Example:
COMF
REG1,0
Before Instruction
REG1
=
0x13
After Instruction
REG1
=
0x13
W=
0xEC
DECF
Decrement f
Syntax:
[
label ] DECF f,d
Operands:
0
f 31
d
[0,1]
Operation:
(f) – 1
(dest)
Status Affected:
Z
Encoding:
0000
11df
ffff
Description:
Decrement register 'f'. If 'd' is 0, the
result is stored in the W register. If
'd' is 1, the result is stored back in
register 'f'.
Words:
1
Cycles:
1
Example:
DECF
CNT,
1
Before Instruction
CNT
=
0x01
Z=
0
After Instruction
CNT
=
0x00
Z=
1
DECFSZ
Decrement f, Skip if 0
Syntax:
[
label ] DECFSZ f,d
Operands:
0
f 31
d
[0,1]
Operation:
(f) – 1
d; skip if result = 0
Status Affected:
None
Encoding:
0010
11df
ffff
Description:
The contents of register 'f' are dec-
remented. 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 instruc-
tion, which is already fetched, is
discarded and a NOP is executed
instead making it a two cycle
instruction.
Words:
1
Cycles:
1(2)
Example:
HERE
DECFSZ
CNT, 1
GOTO
LOOP
CONTINUE
Before Instruction
PC
=
address
(HERE)
After Instruction
CNT
=
CNT - 1;
if CNT
=
0,
PC
=
address (CONTINUE);
if CNT
0,
PC
=
address (HERE+1)
GOTO
Unconditional Branch
Syntax:
[
label ]
GOTO k
Operands:
0
k 511
Operation:
k
PC<8:0>;
STATUS<6:5>
PC<10:9>
Status Affected:
None
Encoding:
101k
kkkk
Description:
GOTO
is an unconditional branch.
The 9-bit immediate value is
loaded into PC bits <8:0>. The
upper bits of PC are loaded from
STATUS<6:5>. GOTO is a two cycle
instruction.
Words:
1
Cycles:
2
Example:
GOTO THERE
After Instruction
PC =
address
(THERE)
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