參數(shù)資料
型號(hào)： PIC12C509AT-04I/MF
廠商： Microchip Technology
文件頁(yè)數(shù)： 56/113頁(yè)
文件大?。?/td> 0K
描述： IC MCU OTP 1KX12 8-DFN
標(biāo)準(zhǔn)包裝： 3,300
系列： PIC® 12C
核心處理器： PIC
芯體尺寸： 8-位
速度： 4MHz
外圍設(shè)備： POR，WDT
輸入/輸出數(shù)： 5
程序存儲(chǔ)器容量： 1.5KB（1K x 12）
程序存儲(chǔ)器類(lèi)型： OTP
RAM 容量： 41 x 8
電壓 - 電源 (Vcc/Vdd)： 3 V ~ 5.5 V
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 8-VDFN 裸露焊盤(pán)
包裝： 帶卷 (TR)
配用： AC164324-ND - MODULE SKT FOR MPLAB 8DFN/16QFN
XLT08DFN2-ND - SOCKET TRANSITION ICE 14DIP/8DFN
XLT08DFN-ND - SOCKET TRANSITION ICE 8DFN
AC164032-ND - ADAPTER PICSTART PLUS 8DFN/DIP
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
其它名稱(chēng)： PIC12C509AT04I/MF
1999 Microchip Technology Inc.
DS40139E-page 47
PIC12C5XX
9.0
INSTRUCTION SET SUMMARY
Each PIC12C5XX instruction is a 12-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
PIC12C5XX
instruction set summary in Table 9-2 groups the
instructions into byte-oriented, bit-oriented, and literal
and control operations. Table 9-1 shows the opcode
field descriptions.
For byte-oriented instructions, ’f’ represents a file
register designator and ’d’ represents a destination
designator. The file register designator is used to
specify which one of the 32 file registers is to be used
by the instruction.
The destination designator specifies where the result
of the operation is to be placed. If ’d’ is ’0’, the result is
placed in the W register. If ’d’ is ’1’, 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 number of the
file in which the bit is located.
For literal and control operations, ’k’ represents an
8 or 9-bit constant or literal value.
TABLE 9-1:
OPCODE FIELD
DESCRIPTIONS
Field
Description
f
Register file address (0x00 to 0x7F)
W
Working register (accumulator)
b
Bit address within an 8-bit file register
k
Literal field, constant data or label
x
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.
d
Destination select;
d = 0 (store result in W)
d = 1 (store result in file register ’f’)
Default is d = 1
label
Label name
TOS
Top of Stack
PC
Program Counter
WDT
Watchdog Timer Counter
TO
Time-Out bit
PD
Power-Down bit
dest
Destination, either the W register or the specified
register file location
[ ]
Options
( )
Contents
→
Assigned to
< >
Register bit field
∈
In the set of
italics
User defined term (font is courier)
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. In this
case, the execution takes two instruction cycles. One
instruction cycle consists of four oscillator periods.
Thus, for an oscillator frequency of 4 MHz, the normal
instruction execution time is 1
s. If a conditional test is
true or the program counter is changed as a result of
an instruction, the instruction execution time is 2
s.
Figure 9-1 shows the three general formats that the
instructions can have. All examples in the figure use the
following format to represent a hexadecimal number:
0xhhh
where ’h’ signifies a hexadecimal digit.
FIGURE 9-1:
GENERAL FORMAT FOR
INSTRUCTIONS
Byte-oriented file register operations
11
6
5
4
0
d = 0 for destination W
OPCODE
d
f (FILE #)
d = 1 for destination f
f = 5-bit file register address
Bit-oriented file register operations
11
8 7
5 4
0
OPCODE
b (BIT #)
f (FILE #)
b = 3-bit bit address
f = 5-bit file register address
Literal and control operations (except GOTO)
11
8
7
0
OPCODE
k (literal)
k = 8-bit immediate value
Literal and control operations - GOTO instruction
11
9
8
0
OPCODE
k (literal)
k = 9-bit immediate value
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