參數(shù)資料
型號: PIC18F67K90T-I/PT
廠商: Microchip Technology
文件頁數(shù): 20/110頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 128KB FLASH 64TQFP
標(biāo)準(zhǔn)包裝: 1,200
系列: PIC® XLP™ 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 64MHz
連通性: I²C,LIN,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,LCD,POR,PWM,WDT
輸入/輸出數(shù): 53
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-TQFP
包裝: 帶卷 (TR)
2010 Microchip Technology Inc.
Preliminary
DS39964B-page 467
PIC18F47J53 FAMILY
ANDWF
AND W with f
Syntax:
ANDWF
f {,d {,a}}
Operands:
0
f 255
d
[0,1]
a
[0,1]
Operation:
(W) .AND. (f)
dest
Status Affected:
N, Z
Encoding:
0001
01da
ffff
Description:
The contents of W are ANDed with
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(chǎn)’ is ‘0’, the Access Bank is selected.
If ‘a(chǎn)’ is ‘1’, the BSR is used to select the
GPR bank (default).
If ‘a(chǎn)’ is ‘0’ and the extended instruction
set is enabled, this instruction operates
in Indexed Literal Offset Addressing
mode whenever f
95 (5Fh). See
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register ‘f’
Process
Data
Write to
destination
Example:
ANDWF
REG, 0, 0
Before Instruction
W
=
17h
REG
=
C2h
After Instruction
W
=
02h
REG
=
C2h
BC
Branch if Carry
Syntax:
BC
n
Operands:
-128
n 127
Operation:
if Carry bit is ‘1’,
(PC) + 2 + 2n
PC
Status Affected:
None
Encoding:
1110
0010
nnnn
Description:
If the Carry bit is ’1’, then the program
will branch.
The 2’s complement number ‘2n’ is
added to the PC. Since the PC will have
incremented to fetch the next
instruction, the new address will be
PC + 2 + 2n. This instruction is then a
two-cycle instruction.
Words:
1
Cycles:
1(2)
Q Cycle Activity:
If Jump:
Q1
Q2
Q3
Q4
Decode
Read literal
‘n’
Process
Data
Write to
PC
No
operation
No
operation
No
operation
No
operation
If No Jump:
Q1
Q2
Q3
Q4
Decode
Read literal
‘n’
Process
Data
No
operation
Example:
HERE
BC
5
Before Instruction
PC
=
address (HERE)
After Instruction
If Carry
=
1;
PC
=
address (HERE + 12)
If Carry
=
0;
PC
=
address (HERE + 2)
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