参数资料
型号: PIC12C508A/JW
厂商: Microchip Technology
文件页数: 67/113页
文件大小: 0K
描述: IC MCU EPROM 512X12 8CDIP
标准包装: 56
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: 768B(512 x 12)
程序存储器类型: EPROM,UV
RAM 容量: 25 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-CDIP(0.300",7.62mm)窗口
包装: 管件
配用: ISPICR1-ND - ADAPTER IN-CIRCUIT PROGRAMMING
DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
1999 Microchip Technology Inc.
DS40139E-page 57
PIC12C5XX
SWAPF
Swap Nibbles in f
Syntax:
[
label ] SWAPF f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
(f<3:0>)
→ (dest<7:4>);
(f<7:4>)
→ (dest<3:0>)
Status Affected:
None
Encoding:
0011
10df
ffff
Description:
The upper and lower nibbles of register
’f’ are exchanged. If ’d’ is 0 the result is
placed in W register. If ’d’ is 1 the result
is placed in register ’f’.
Words:
1
Cycles:
1
Example
SWAPF
REG1,
0
Before Instruction
REG1
=
0xA5
After Instruction
REG1
=
0xA5
W
=
0X5A
TRIS
Load TRIS Register
Syntax:
[
label ] TRIS
f
Operands:
f = 6
Operation:
(W)
→ TRIS register f
Status Affected:
None
Encoding:
0000
0fff
Description:
TRIS register ’f’ (f = 6) is loaded with the
contents of the W register
Words:
1
Cycles:
1
Example
TRIS
GPIO
Before Instruction
W=
0XA5
After Instruction
TRIS
=
0XA5
Note:
f = 6 for PIC12C5XX only.
XORLW
Exclusive OR literal with W
Syntax:
[
label]XORLW k
Operands:
0
≤ k ≤ 255
Operation:
(W) .XOR. k
→ (W)
Status Affected:
Z
Encoding:
1111
kkkk
Description:
The contents of the W register are
XOR’ed with the eight bit literal 'k'. The
result is placed in the W register.
Words:
1
Cycles:
1
Example:
XORLW
0xAF
Before Instruction
W=
0xB5
After Instruction
W
=
0x1A
XORWF
Exclusive OR W with f
Syntax:
[
label ] XORWF
f,d
Operands:
0
≤ f ≤ 31
d
∈ [0,1]
Operation:
(W) .XOR. (f)
→ (dest)
Status Affected:
Z
Encoding:
0001
10df
ffff
Description:
Exclusive OR the contents of the W
register with 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
XORWF
REG,1
Before Instruction
REG
=
0xAF
W=
0xB5
After Instruction
REG
=
0x1A
W=
0xB5
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