參數(shù)資料
型號(hào)： PIC18F87K90T-I/PTRSL
廠商： Microchip Technology
文件頁(yè)數(shù)： 23/110頁(yè)
文件大?。?/td> 0K
描述： MCU 8BIT 128K FLASH 80-TQFP
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(cè)/復(fù)位，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 69
程序存儲(chǔ)器容量： 128KB（64K x 16）
程序存儲(chǔ)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 24x12b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 80-TQFP
包裝： 帶卷 (TR)
PIC18F47J53 FAMILY
DS39964B-page 470
Preliminary
2010 Microchip Technology Inc.
BNOV
Branch if Not Overflow
Syntax:
BNOV
n
Operands:
-128
n 127
Operation:
if Overflow bit is ‘0’,
(PC) + 2 + 2n
PC
Status Affected:
None
Encoding:
1110
0101
nnnn
Description:
If the Overflow bit is ‘0’, 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
BNOV Jump
Before Instruction
PC
=
address (HERE)
After Instruction
If Overflow
=
0;
PC
=
address (Jump)
If Overflow
=
1;
PC
=
address (HERE + 2)
BNZ
Branch if Not Zero
Syntax:
BNZ
n
Operands:
-128
n 127
Operation:
if Zero bit is ‘0’,
(PC) + 2 + 2n
PC
Status Affected:
None
Encoding:
1110
0001
nnnn
Description:
If the Zero bit is ‘0’, 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
BNZ
Jump
Before Instruction
PC
=
address (HERE)
After Instruction
If Zero
=
0;
PC
=
address (Jump)
If Zero
=
1;
PC
=
address (HERE + 2)
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