参数资料
型号: PIC12C509AT-04E/SN
厂商: Microchip Technology
文件页数: 65/113页
文件大小: 0K
描述: IC MCU OTP 1KX12 8SOIC
产品培训模块: Asynchronous Stimulus
标准包装: 3,300
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 1.5KB(1K x 12)
程序存储器类型: OTP
RAM 容量: 41 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
配用: 309-1046-ND - ADAPTER 8-SOIC TO 8-DIP
309-1045-ND - ADAPTER 8-SOIC TO 8-DIP
其它名称: PIC12C509AT-04ESN
1999 Microchip Technology Inc.
DS40139E-page 55
PIC12C5XX
OPTION
Load OPTION Register
Syntax:
[
label ]
OPTION
Operands:
None
Operation:
(W)
→ OPTION
Status Affected:
None
Encoding:
0000
0010
Description:
The content of the W register is loaded
into the OPTION register.
Words:
1
Cycles:
1
Example
OPTION
Before Instruction
W=
0x07
After Instruction
OPTION =
0x07
RETLW
Return with Literal in W
Syntax:
[
label ]
RETLW k
Operands:
0
≤ k ≤ 255
Operation:
k
→ (W);
TOS
→ PC
Status Affected:
None
Encoding:
1000
kkkk
Description:
The W register is loaded with the eight
bit literal ’k’. The program counter is
loaded from the top of the stack (the
return address). This is a two cycle
instruction.
Words:
1
Cycles:
2
Example:
TABLE
CALL TABLE ;W contains
;table offset
;value.
;W now has table
;value.
ADDWF PC
;W = offset
RETLW k1
;Begin table
RETLW k2
;
RETLW kn
; End of table
Before Instruction
W=
0x07
After Instruction
W=
value of k8
RLF
Rotate Left f through Carry
Syntax:
[
label ] RLF
f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
See description below
Status Affected:
C
Encoding:
0011
01df
ffff
Description:
The contents of register ’f’ are rotated
one bit to the left through the Carry
Flag. If ’d’ is 0 the result is placed in the
W register. If ’d’ is 1 the result is stored
back in register ’f’.
Words:
1
Cycles:
1
Example:
RLF
REG1,0
Before Instruction
REG1
=
1110 0110
C=
0
After Instruction
REG1
=
1110 0110
W=
1100 1100
C=
1
RRF
Rotate Right f through Carry
Syntax:
[
label ]
RRF f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
See description below
Status Affected:
C
Encoding:
0011
00df
ffff
Description:
The contents of register ’f’ are rotated
one bit to the right through the Carry
Flag. If ’d’ is 0 the result is placed in the
W register. If ’d’ is 1 the result is placed
back in register ’f’.
Words:
1
Cycles:
1
Example:
RRF
REG1,0
Before Instruction
REG1
=
1110 0110
C=
0
After Instruction
REG1
=
1110 0110
W=
0111 0011
C=
0
C
register ’f’
C
register ’f’
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