PIC18F45K22-I/P Microchip Technology Inc., PIC18F45K22-I/P Datasheet - Page 386
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F45K22-I/P
Manufacturer Part Number
PIC18F45K22-I/P
Description
40 PDIP .600in TUBE, 32KB, Flash, 1536bytes-RAM, 8-bit Family, nanoWatt XLP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F45K22-IP.pdf
(496 pages)
Specifications of PIC18F45K22-I/P
A/d Inputs
28-Channel, 10-Bit
Comparators
2
Cpu Speed
16 MIPS
Eeprom Memory
256 Bytes
Input Output
35
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
40-pin PDIP
Programmable Memory
32K Bytes
Ram Size
1.5K Bytes
Speed
64 MHz
Temperature Range
–40 to 125 °C
Timers
3-8-bit, 4-16-bit
Voltage, Range
1.8-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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PIC18(L)F2X/4XK22
DAW
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example1:
Example 2:
DS41412D-page 386
Q Cycle Activity:
Before Instruction
After Instruction
Before Instruction
After Instruction
Decode
W
C
DC
W
C
DC
W
C
DC
W
C
DC
Q1
=
=
=
=
=
=
=
=
=
=
=
=
register W
Decimal Adjust W Register
DAW
None
If [W<3:0> > 9] or [DC = 1] then
(W<3:0>) + 6 W<3:0>;
else
(
If [W<7:4> + DC > 9] or [C = 1] then
(
else
(W<7:4>) + DC W<7:4>
C
DAW adjusts the eight-bit value in W,
resulting from the earlier addition of two
variables (each in packed BCD format)
and produces a correct packed BCD
result.
1
1
DAW
W<3:0>) W<3:0>;
W<7:4>) + 6 + DC W<7:4>;
Read
0000
Q2
A5h
0
0
05h
1
0
CEh
0
0
34h
1
0
0000
Process
Data
Q3
0000
Write
Q4
W
0111
Preliminary
DECF
Syntax:
Operands:
Operation:
Status Affected:
Encoding:
Description:
Words:
Cycles:
Example:
Q Cycle Activity:
Before Instruction
After Instruction
Decode
CNT
Z
CNT
Z
Q1
=
=
=
=
register ‘f’
Decrement f
DECF f {,d {,a}}
0 f 255
d [0,1]
a [0,1]
(f) – 1 dest
C, DC, N, OV, Z
Decrement register ‘f’. If ‘d’ is ‘0’, the
result is stored in W. If ‘d’ is ‘1’, the
result is stored back in register ‘f’
(default).
If ‘a’ is ‘0’, the Access Bank is selected.
If ‘a’ is ‘1’, the BSR is used to select the
GPR bank.
If ‘a’ is ‘0’ and the extended instruction
set is enabled, this instruction operates
in Indexed Literal Offset Addressing
mode whenever f 95 (5Fh). See
Section 25.2.3 “Byte-Oriented and
Bit-Oriented Instructions in Indexed
Literal Offset Mode”
1
1
DECF
Read
0000
Q2
01h
0
00h
1
2010 Microchip Technology Inc.
CNT,
01da
Process
Data
Q3
1, 0
ffff
for details.
destination
Write to
Q4
ffff
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