參數(shù)資料
型號： PIC16F77
廠商： Microchip Technology Inc.
英文描述： 40-Pin 8-Bit CMOS FLASH Microcontrollers(40腳、8位CMOS 閃速微控制器)
中文描述： 40引腳8位CMOS閃存微控制器（40腳，8位的CMOS閃速微控制器）
文件頁數(shù)： 111/170頁
文件大小： 3150K
代理商： PIC16F77
2000 Microchip Technology Inc.
Advance Information
DS30325A-page 111
PIC16F7X
13.0
INSTRUCTION SET SUMMARY
Each PIC16F7X instruction is a 14-bit word divided into
an OPCODE, which specifies the instruction type and
one or more operands, which further specify the oper-
ation of the instruction. The PIC16F7X instruction set
summary in Table 13-2 lists
byte-oriented
,
bit-ori-
ented
, and
literal and control
operations. Table 13-1
shows the opcode field descriptions.
For
byte-oriented
instructions,
’
f
’
represents a file reg-
ister designator and
’
d
’
represents a destination desig-
nator. 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 number of 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
eight or eleven bit constant or literal value.
TABLE 13-1:
OPCODE FIELD
DESCRIPTIONS
The instruction set is highly orthogonal and is grouped
into three basic categories:
Byte-oriented
operations
Bit-oriented
operations
Literal and control
operations
All instructions are executed within one single instruc-
tion cycle, unless a conditional test is true or the pro-
gram counter is changed as a result of an instruction.
In this case, the execution takes two instruction cycles
with the second cycle executed as a
NOP
. One instruc-
tion cycle consists of four oscillator periods. Thus, for
an oscillator frequency of 4 MHz, the normal instruction
execution time is 1
μ
s. If a conditional test is true or the
program counter is changed as a result of an instruc-
tion, the instruction execution time is 2
μ
s.
Table 13-2 lists the instructions recognized by the
MPASM assembler.
Figure 13-1 shows the general formats that the instruc-
tions can have.
All examples use the following format to represent a
hexadecimal number:
0xhh
where h signifies a hexadecimal digit.
FIGURE 13-1: GENERAL FORMAT FOR
INSTRUCTIONS
Byte-oriented file register operations
13 8 7 6 0
OPCODE d f (FILE #)
A description of each instruction is available in the
PICmicro
Mid-Range Reference Manual, (DS33023).
Field
Description
f
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 compat-
ibility with all Microchip software tools.
Destination select; d =
0
: store result in W,
d = 1: store result in file register f.
Default is d =
1
Program Counter
Time-out bit
Power-down bit
W
b
k
x
d
PC
TO
PD
Note:
To maintain upward compatibility with
future PIC16F7X products, do not use the
OPTION
and
TRIS
instructions.
d = 0 for destination W
d = 1 for destination f
f = 7-bit file register address
Bit-oriented file register operations
13 10 9 7 6 0
OPCODE b (BIT #) f (FILE #)
b = 3-bit bit address
f = 7-bit file register address
Literal and control operations
13 8 7 0
OPCODE k (literal)
k = 8-bit immediate value
13 11 10 0
OPCODE k (literal)
k = 11-bit immediate value
General
CALL
and
GOTO
instructions only
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PIC16F777-E/PT 功能描述:8位微控制器 -MCU 14kBF 368RM 36I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F777-I/ML 功能描述:8位微控制器 -MCU 14KB 368 RAM 36 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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