CY28551-3
......................Document #: 001-05677 Rev. *D Page 7 of 28
Byte 2: Control Register 2
Bit
@Pup
Type
Name
Description
7
1
R/W
Reserved
6
1
R/W
Reserved
5
1
R/W
PCI5
PCI5 Output Enable
0 = Disabled, 1 = Enabled
4
1
R/W
PCI4
PCI4 Output Enable
0 = Disabled, 1 = Enabled
3
1
R/W
PCI3
PCI3 Output Enable
0 = Disabled, 1 = Enabled
2
1
R/W
PCI2
PCI2 Output Enable
0 = Disabled, 1 = Enabled
1
R/W
PCI1
PCI1 Output Enable
0 = Disabled, 1 = Enabled
0
1
R/W
PCI0
PCI0 Output Enable
0 = Disabled, 1 = Enabled
Byte 3: Control Register 3
Bit
@Pup
Type
Name
Description
7
1
R/W
LINK1
LINK1 Output Enable
0 = Disabled, 1 = Enabled
6
1
R/W
LINK0
LINKI0 Output Enable
0 = Disabled, 1 = Enabled
5
1
R/W
Reserved
4
1
R/W
Reserved
3
0
R/W
Reserved
2
1
R/W
PCI
33-MHz Output Drive Strength
0 = 2x, 1 = 1x
1
R/W
REF
REF Output Drive Strength
0 = 2x, 1 = 1x
0
R/W
48M, 24_48M
48-MHz and 24_48M Output Drive Strength
0 = 2x, 1 = 1x
Byte 4: Control Register 4
Bit
@Pup
Type
Name
Description
7
0
R/W
CPU1
Allow control of CPU1 with assertion of CPU_STP#
0 = Free Running
1 = Stopped with CPU_STP#
6
0
R/W
CPU0
Allow control of CPU0 with assertion of CPU_STP#
0 = Free Running
1= Stopped with CPU_STP#
5
0
R/W
Reserved
4
0
R/W
PCIEX
Allow control of PCIEX with assertion of PCI_STP#
0 = Free Running
1 = Stopped with PCI_STP#
3
0
R/W
FSEL_D
SW Frequency selection bits. See Figure 1.
2
0
R/W
FSEL_C
1
0
R/W
FSEL_B
0
R/W
FSEL_A
相关PDF资料
CY28551LFXC IC CLOCK INTEL/AMD SIS VIA 64QFN
CY2SSTV855ZXI IC CLOCK DIFFDRV PLL DDR 28TSSOP
CY2SSTV857ZXI-27 IC CLK DDR266/333BUF1:10 48TSSOP
CY2SSTV857ZXI-32 IC CLK DDR266/333BUF1:10 48TSSOP
CY505YC64DT IC CLK CK505 BROADWATER 64TSSOP
CYW150OXC IC CLOCK 440BX AGP 56SSOP
CYW173SXC IC CLK GEN TAPE DRV 4CH 16SOIC
CYW305OXC IC CLOCK W305 SOLANO 56SSOP
相关代理商/技术参数
CY28551LFXCT 功能描述:时钟发生器及支持产品 Universal System Clk Intel AMD SiS Via RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56
CY2862-000 制造商:TE Connectivity 功能描述:82A0111-4-9-G110
CY2863-000 制造商:TE Connectivity 功能描述:82A0111-8-9-G110 - Bulk
CY28800 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:100-MHz Differential Buffer for PCI Express and SATA
CY28800OXC 功能描述:时钟缓冲器 PCI Express & Sata Diff Buffer 100MHz RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
CY28800OXCT 功能描述:时钟缓冲器 PCI Express & Sata Diff Buffer 100MHz RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
CY28800OXI 功能描述:时钟缓冲器 PCI Express & Sata Diff Buffer 100MHz RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel
CY28800OXIT 功能描述:时钟缓冲器 PCI Express & Sata Diff Buffer 100MHz RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟(最大值): 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel