参数资料
型号: AT91SAM9XE512-QU
厂商: Atmel
文件页数: 16/159页
文件大小: 0K
描述: MCU ARM9 512K FLASH 208-PQFP
产品培训模块: MCU Product Line Introduction
标准包装: 24
系列: SAM9XE
核心处理器: ARM9
芯体尺寸: 16/32-位
速度: 180MHz
连通性: EBI/EMI,以太网,I²C,MMC,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 96
程序存储器容量: 512KB(512K x 8)
程序存储器类型: 闪存
RAM 容量: 56K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 208-MQFP,208-PQFP
包装: 托盘
配用: AT91SAM9XE-EK-ND - KIT EVAL FOR AT91SAM9XE
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
PIC16F62X
DS40300C-page 110
Preliminary
2003 Microchip Technology Inc.
BCF
Bit Clear f
Syntax:
[ label ] BCF
f,b
Operands:
0
≤ f ≤ 127
0
≤ b ≤ 7
Operation:
0
→ (f<b>)
Status Affected:
None
Encoding:
01
00bb
bfff
ffff
Description:
Bit 'b' in register 'f' is cleared.
Words:
1
Cycles:
1
Example
BCF
REG1, 7
Before Instruction
REG1
= 0xC7
After Instruction
REG1
= 0x47
BSF
Bit Set f
Syntax:
[ label ] BSF
f,b
Operands:
0
≤ f ≤ 127
0
≤ b ≤ 7
Operation:
1
→ (f<b>)
Status Affected:
None
Encoding:
01
01bb
bfff
ffff
Description:
Bit 'b' in register 'f' is set.
Words:
1
Cycles:
1
Example
BSF
REG1, 7
Before Instruction
REG1
= 0x0A
After Instruction
REG1
= 0x8A
BTFSC
Bit Test f, Skip if Clear
Syntax:
[ label ] BTFSC f,b
Operands:
0
≤ f ≤ 127
0
≤ b ≤ 7
Operation:
skip if (f<b>) = 0
Status Affected:
None
Encoding:
01
10bb
bfff
ffff
Description:
If bit 'b' in register 'f' is '0' then the
next instruction is skipped.
If bit 'b' is '0' then the next
instruction fetched during the
current instruction execution is
discarded, and a NOP is executed
instead, making this a two-cycle
instruction.
Words:
1
Cycles:
1(2)
Example
HERE
FALSE
TRUE
BTFSC
GOTO
REG1
PROCESS_CODE
Before Instruction
PC = address HERE
After Instruction
if REG<1> = 0,
PC = address TRUE
if REG<1>=1,
PC = address FALSE
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