参数资料
型号: PIC16LF628T-04/SS
厂商: Microchip Technology
文件页数: 26/170页
文件大小: 0K
描述: IC MCU FLASH 2KX14 COMP 20SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 1,600
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
连通性: UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 224 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 带卷 (TR)
2003 Microchip Technology Inc.
Preliminary
DS40300C-page 119
PIC16F62X
SUBWF
Subtract W from f
Syntax:
[ label ]
SUBWF f,d
Operands:
0
≤ f ≤ 127
d
∈ [0,1]
Operation:
(f) - (W)
→ (dest)
Status
Affected:
C, DC, Z
Encoding:
00
0010
dfff
ffff
Description:
Subtract (2’s complement method)
W register from 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 1:
SUBWF
REG1, 1
Before Instruction
REG1 = 3
W= 2
C= ?
After Instruction
REG1 = 1
W= 2
C
= 1; result is positive
Z
= DC = 1
Example 2:
Before Instruction
REG1 = 2
W= 2
C= ?
After Instruction
REG1 = 0
W= 2
C
= 1; result is zero
Z
= DC = 1
Example 3:
Before Instruction
REG1 = 1
W= 2
C= ?
After Instruction
REG1 = 0xFF
W= 2
C
= 0; result is negative
Z
= DC = 0
SWAPF
Swap Nibbles in f
Syntax:
[ label ]
SWAPF f,d
Operands:
0
≤ f ≤ 127
d
∈ [0,1]
Operation:
(f<3:0>)
→ (dest<7:4>),
(f<7:4>)
→ (dest<3:0>)
Status Affected:
None
Encoding:
00
1110
dfff
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:
5
≤ f ≤ 7
Operation:
(W)
→ TRIS register f;
Status Affected:
None
Encoding:
00
0000
0110
0fff
Description:
The instruction is supported for
code compatibility with the
PIC16C5X products. Since TRIS
registers are readable and
writable, the user can directly
address them.
Words:
1
Cycles:
1
Example
To maintain upward
compatibility with future
PICmicro products, do not
use this instruction.
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