参数资料
型号: KSZ8851-16MQL
厂商: Micrel Inc
文件页数: 64/88页
文件大小: 0K
描述: IC CTLR MAC/PHY NON-PCI 128-PQFP
产品培训模块: KSZ8851 10/100 Embedded Controllers
标准包装: 66
控制器类型: 以太网控制器,MAC/PHY
接口: 总线
电源电压: 1.8V,2.5V,3.3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-BFQFP
供应商设备封装: 128-PQFP(14x20)
包装: 托盘
产品目录页面: 1081 (CN2011-ZH PDF)
配用: 576-3292-ND - BOARD EVALUATION KSZ8851-16MLL
其它名称: 576-3253
PIC16F8X
DS30430C-page 68
1998 Microchip Technology Inc.
SLEEP
Syntax:
[
label ]
SLEEP
Operands:
None
Operation:
00h
→ WDT,
0
→ WDT prescaler,
1
→ TO,
0
→ PD
Status Affected:
TO, PD
Encoding:
00
0000
0110
0011
Description:
The power-down status bit, PD is
cleared. Time-out status bit, TO is
set. Watchdog Timer and its pres-
caler are cleared.
The processor is put into SLEEP
mode with the oscillator stopped. See
Section 14.8 for more details.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
No-Opera
tion
No-Opera
tion
Go to
Sleep
Example:
SLEEP
SUBLW
Subtract W from Literal
Syntax:
[
label ]SUBLW k
Operands:
0
≤ k ≤ 255
Operation:
k - (W)
→ (W)
Status Affected:
C, DC, Z
Encoding:
11
110x
kkkk
Description:
The W register is subtracted (2’s comple-
ment method) from the eight bit literal 'k'.
The result is placed in the W register.
Words:
1
Cycles:
1
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
literal ’k’
Process
data
Write to W
Example 1:
SUBLW
0x02
Before Instruction
W=
1
C=
?
Z=
?
After Instruction
W=
1
C
=
1; result is positive
Z=
0
Example 2:
Before Instruction
W=
2
C=
?
Z=
?
After Instruction
W=
0
C
=
1; result is zero
Z=
1
Example 3:
Before Instruction
W=
3
C=
?
Z=
?
After Instruction
W=
0xFF
C
=
0; result is negative
Z=
0
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