参数资料
型号: PIC18F65K90-E/MR
厂商: Microchip Technology
文件页数: 22/110页
文件大小: 0K
描述: IC MCU 8BIT 32KB FLASH 64QFN
标准包装: 40
系列: PIC® XLP™ 18F
核心处理器: PIC
芯体尺寸: 8-位
速度: 64MHz
连通性: I²C,LIN,SPI,UART/USART
外围设备: 欠压检测/复位,LCD,POR,PWM,WDT
输入/输出数: 53
程序存储器容量: 32KB(16K x 16)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
数据转换器: A/D 16x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 管件
2010 Microchip Technology Inc.
Preliminary
DS39964B-page 469
PIC18F47J53 FAMILY
BNC
Branch if Not Carry
Syntax:
BNC
n
Operands:
-128
n 127
Operation:
if Carry bit is ‘0’,
(PC) + 2 + 2n
PC
Status Affected:
None
Encoding:
1110
0011
nnnn
Description:
If the Carry 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
BNC
Jump
Before Instruction
PC
=
address (HERE)
After Instruction
If Carry
=
0;
PC
=
address (Jump)
If Carry
=
1;
PC
=
address (HERE + 2)
BNN
Branch if Not Negative
Syntax:
BNN
n
Operands:
-128
n 127
Operation:
if Negative bit is ‘0’,
(PC) + 2 + 2n
PC
Status Affected:
None
Encoding:
1110
0111
nnnn
Description:
If the Negative 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
BNN
Jump
Before Instruction
PC
=
address (HERE)
After Instruction
If Negative
=
0;
PC
=
address (Jump)
If Negative
=
1;
PC
=
address (HERE + 2)
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