参数资料
型号: KSZ8851-16MQL
厂商: Micrel Inc
文件页数: 53/88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 58
1998 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
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register
’f’
Process
data
Write
register ’f’
Example
BCF
FLAG_REG, 7
Before Instruction
FLAG_REG = 0xC7
After Instruction
FLAG_REG = 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
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register
’f’
Process
data
Write
register ’f’
Example
BSF
FLAG_REG,
7
Before Instruction
FLAG_REG = 0x0A
After Instruction
FLAG_REG = 0x8A
BTFSC
Bit Test, 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 ’1’ then the next
instruction is executed.
If bit ’b’, in register ’f’, is ’0’ then the next
instruction is discarded, and a NOP is
executed instead, making this a 2TCY
instruction
.
Words:
1
Cycles:
1(2)
Q Cycle Activity:
Q1
Q2
Q3
Q4
Decode
Read
register ’f’
Process
data
No-Operat
ion
If Skip:
(2nd Cycle)
Q1
Q2
Q3
Q4
No-Operat
ion
No-Operati
on
No-Opera
tion
No-Operat
ion
Example
HERE
FALSE
TRUE
BTFSC
GOTO
FLAG,1
PROCESS_CODE
Before Instruction
PC =
address
HERE
After Instruction
if FLAG<1> = 0,
PC =
address TRUE
if FLAG<1>=1,
PC =
address FALSE
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KSZ8851-32MQL 功能描述:以太网 IC 10/100BT Ethernet MAC + PHY with Generic (32-bit) Bus Interface, Lead Free RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray
KSZ8851-32MQLI 功能描述:以太网 IC 10/100BT Ethernet MAC + PHY with Generic (32-bit) Bus Interface (I-Temp) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray
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