PIC16F628-20/P Microchip Technology, PIC16F628-20/P Datasheet - Page 121
![IC MCU FLASH 2KX14 COMP 18DIP](/photos/6/76/67657/18-dip_300mil__sml.jpg)
PIC16F628-20/P
Manufacturer Part Number
PIC16F628-20/P
Description
IC MCU FLASH 2KX14 COMP 18DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheet
1.PIC16F627-04P.pdf
(170 pages)
Specifications of PIC16F628-20/P
Program Memory Type
FLASH
Program Memory Size
3.5KB (2K x 14)
Package / Case
18-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Eeprom Size
128 x 8
Ram Size
224 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
224 B
Interface Type
SCI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
3
Operating Supply Voltage
3 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
Minimum Operating Temperature
0 C
Data Rom Size
128 B
Height
3.3 mm
Length
22.86 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
3 V
Width
6.35 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DVA16XP183 - ADAPTER ICE 18DIP/SOIC/SSOPAC164010 - MODULE SKT PROMATEII DIP/SOIC
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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- Download datasheet (5Mb)
2003 Microchip Technology Inc.
SUBWF
Syntax:
Operands:
Operation:
Status
Affected:
Encoding:
Description:
Words:
Cycles:
Example 1:
Example 2:
Example 3:
Subtract W from f
[ label ]
0 ≤ f ≤ 127
d ∈ [0,1]
(f) - (W) → (dest)
C, DC, Z
00
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'.
1
1
SUBWF
Before Instruction
After Instruction
Before Instruction
After Instruction
Before Instruction
After Instruction
REG1 = 3
W
C
REG1 = 1
W
C
Z
REG1 = 2
W
C
REG1 = 0
W
C
Z
REG1 = 1
W
C
REG1 = 0xFF
W
C
Z
SUBWF f,d
0010
REG1, 1
= 2
= ?
= 2
= 1; result is positive
= DC = 1
= 2
= ?
= 2
= 1; result is zero
= DC = 1
= 2
= ?
= 2
= 0; result is negative
= DC = 0
dfff
ffff
Preliminary
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
SWAPF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example
TRIS
Load TRIS Register
[ label ] TRIS
5 ≤ f ≤ 7
(W) → TRIS register f;
None
00
The instruction is supported for
code compatibility with the
PIC16C5X products. Since TRIS
registers are readable and
writable, the user can directly
address them.
1
1
To maintain upward
compatibility with future
PICmicro
use this instruction.
Swap Nibbles in f
[ label ]
0 ≤ f ≤ 127
d ∈ [0,1]
(f<3:0>) → (dest<7:4>),
(f<7:4>) → (dest<3:0>)
None
00
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'.
1
1
SWAPF
Before Instruction
After Instruction
PIC16F62X
REG1 = 0xA5
REG1 = 0xA5
W
0000
®
SWAPF f,d
1110
REG1, 0
products, do not
= 0x5A
DS40300C-page 119
f
0110
dfff
0fff
ffff
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