PIC16F648A-I/ML Microchip Technology, PIC16F648A-I/ML Datasheet - Page 129
![IC MCU FLASH 4KX14 EEPROM 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16F648A-I/ML
Manufacturer Part Number
PIC16F648A-I/ML
Description
IC MCU FLASH 4KX14 EEPROM 28QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F627A-IP.pdf
(180 pages)
3.PIC16F627A-IP.pdf
(8 pages)
4.PIC16F627A-IP.pdf
(22 pages)
5.PIC16F627A-IML.pdf
(180 pages)
Specifications of PIC16F648A-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
Internal
Core Processor
PIC
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC16F
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
No.
RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNI3DBF648 - BOARD DAUGHTER ICEPIC3AC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
Data Converters
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F627A-IP PDF datasheet #2
- PIC16F627A-IP PDF datasheet #3
- PIC16F627A-IP PDF datasheet #4
- PIC16F627A-IML PDF datasheet #5
- Current page: 129 of 180
- Download datasheet (3Mb)
© 2009 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
DC
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
= 1
= 0
= 2
= ?
= 2
= 1; result is zero
= DC = 1
= 2
= ?
= 2
= 0; result is negative
= DC = 0
dfff
ffff
PIC16F627A/628A/648A
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 compatibil-
ity with future PIC
products, do not 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
REG1 = 0xA5
REG1 = 0xA5
W
0000
SWAPF f,d
1110
REG1, 0
= 0x5A
DS40044G-page 129
f
0110
®
dfff
MCU
0fff
ffff
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