PIC12F609T-I/MF Microchip Technology, PIC12F609T-I/MF Datasheet - Page 129
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PIC12F609T-I/MF
Manufacturer Part Number
PIC12F609T-I/MF
Description
1.75KB Flash, 64B RAM, 6 I/O, 8MHz Internal Oscillator 8 DFN 3x3mm T/R
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Datasheets
1.PIC12F609T-ISN.pdf
(212 pages)
2.PIC12F609T-ISN.pdf
(8 pages)
3.PIC12F609T-ISN.pdf
(26 pages)
4.PIC12F609T-ISN.pdf
(8 pages)
Specifications of PIC12F609T-I/MF
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
5
Program Memory Size
1.75KB (1K x 14)
Program Memory Type
FLASH
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFN
Eeprom Size
-
Data Converters
-
Connectivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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14.0
The PIC12F609/615/617/12HV609/615 instruction set
is highly orthogonal and is comprised of three basic
categories:
• Byte-oriented operations
• Bit-oriented operations
• Literal and control operations
Each PIC16 instruction is a 14-bit word divided into an
opcode, which specifies the instruction type and one or
more operands, which further specify the operation of
the instruction. The formats for each of the categories
is presented in Figure 14-1, while the various opcode
fields are summarized in Table 14-1.
Table 14-2 lists the instructions recognized by the
MPASM
For byte-oriented instructions, ‘f’ represents a file
register designator and ‘d’ represents a destination
designator. The file register designator specifies which
file register is to be used by the instruction.
The destination designator specifies where the result of
the operation is to be placed. If ‘d’ is zero, the result is
placed in the W register. If ‘d’ is one, the result is placed
in the file register specified in the instruction.
For bit-oriented instructions, ‘b’ represents a bit field
designator, which selects the bit affected by the
operation, while ‘f’ represents the address of the file in
which the bit is located.
For literal and control operations, ‘k’ represents an
8-bit or 11-bit constant, or literal value.
One instruction cycle consists of four oscillator periods;
for an oscillator frequency of 4 MHz, this gives a normal
instruction execution time of 1 s. All instructions are
executed within a single instruction cycle, unless a
conditional test is true, or the program counter is
changed as a result of an instruction. When this occurs,
the execution takes two instruction cycles, with the
second cycle executed as a NOP.
All instruction examples use the format ‘0xhh’ to
represent a hexadecimal number, where ‘h’ signifies a
hexadecimal digit.
14.1
Any instruction that specifies a file register as part of
the instruction performs a Read-Modify-Write (RMW)
operation. The register is read, the data is modified,
and the result is stored according to either the instruc-
tion or the destination designator ‘d’. A read operation
is performed on a register even if the instruction writes
to that register.
For example, a CLRF GPIO instruction will read GPIO,
clear all the data bits, then write the result back to
GPIO. This example would have the unintended
consequence of clearing the condition that set the
GPIF flag.
2010 Microchip Technology Inc.
TM
INSTRUCTION SET SUMMARY
Read-Modify-Write Operations
assembler.
PIC12F609/615/617/12HV609/615
TABLE 14-1:
FIGURE 14-1:
Field
DC
PC
TO
PD
W
C
b
d
Z
k
x
f
Byte-oriented file register operations
Bit-oriented file register operations
Literal and control operations
General
CALL and GOTO instructions only
13
13
13
13
Register file address (0x00 to 0x7F)
Working register (accumulator)
Bit address within an 8-bit file register
Literal field, constant data or label
Don’t care location (= 0 or 1).
The assembler will generate code with x = 0.
It is the recommended form of use for
compatibility with all Microchip software tools.
Destination select; d = 0: store result in
d = 1: store result in file register f.
Default is d = 1.
Program Counter
Time-out bit
Carry bit
Digit carry bit
Zero bit
Power-down bit
OPCODE
d = 0 for destination W
d = 1 for destination f
f = 7-bit file register address
b = 3-bit bit address
f = 7-bit file register address
k = 8-bit immediate value
k = 11-bit immediate value
OPCODE
OPCODE
OPCODE
11
OPCODE FIELD
DESCRIPTIONS
10
10 9
GENERAL FORMAT FOR
INSTRUCTIONS
8
Description
b (BIT #)
7
d
8
6
7
7 6
k (literal)
DS41302D-page 129
f (FILE #)
k (literal)
f (FILE #)
W
0
0
0
0
,
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