CY28446
.......................Document #: 001-00168 Rev *F Page 5 of 19
Control Registers
Table 5. Byte Read and Byte Write Protocol
Byte Write Protocol
Byte Read Protocol
Bit
Description
Bit
Description
1Start
8:2
Slave address–7 bits
8:2
Slave address–7 bits
9Write
10
Acknowledge from slave
10
Acknowledge from slave
18:11
Command Code–8 bits
18:11
Command Code–8 bits
19
Acknowledge from slave
19
Acknowledge from slave
27:20
Data byte–8 bits
20
Repeated start
28
Acknowledge from slave
27:21
Slave address–7 bits
29
Stop
28
Read
29
Acknowledge from slave
37:30
Data from slave–8 bits
38
NOT Acknowledge
39
Stop
Byte 0: Control Register 0
Bit
@Pup
Name
Description
7
1
CPU2_ITP[T/C]/SRC7[T/C] CPU2_ITP[T/C]/SRC[T/C]7 Output Enable
0 = Disable (Tri-state), 1 = Enable
6
1
SRC[T/C]6
SRC[T/C]6 Output Enable
0 = Disable (Tri-state), 1 = Enable
5
1
SRC[T/C]5
SRC[T/C]5 Output Enable
0 = Disable (Tri-state), 1 = Enable
4
1
Reserved
3
1
SRC[T/C]3
SRC[T/C]3 Output Enable
0 = Disable (Tri-state), 1 = Enable
2
1
SRC[T/C]2
SRC[T/C]2 Output Enable
0 = Disable (Tri-state), 1 = Enable
1
SRC[T/C]1
SRC[T/C]1 Output Enable
0 = Disable (Tri-state), 1 = Enable
0
1
SRC[T/C]0
SRC[T/C]0 Output Enable
0 = Disable (Tri-state), 1 = Enable
Byte 1: Control Register 1
Bit
@Pup
Name
Description
7
1
PCIF0
PCIF0 Output Enable
0 = Disable, 1 = Enable
6
1
DOT_96[T/C]
DOT_96 MHz Output Enable
0 = Disable (Tri-state), 1 = Enable
5
1
USB_48
USB_48 Output Enable
0 = Disable, 1 = Enable
4
1
REF
REF Output Enable
0 = Disable, 1 = Enable
3
1
Reserved
2
1
CPU[T/C]1
CPU[T/C]1 Output Enable
0 = Disable (Tri-state), 1 = Enable
1
CPU[T/C]0
CPU[T/C]0 Output Enable
0 = Disable (Tri-state), 1 = Enable
相关PDF资料
CY28447LFXC IC CLOCK CALISTOGA CK410M 72QFN
CY28547LFXCT IC CLOCK CK505/410M INTEL 72QFN
CY28548ZXC IC CLK CK505 960M/965M 64TSSOP
CY28551LFXC-3T IC CLOCK INTEL/AMD SIS VIA 56QFN
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
相关代理商/技术参数
CY28446LFXCT 功能描述:时钟发生器及支持产品 Calistoga 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
CY28447 制造商:SPECTRALINEAR 制造商全称:SPECTRALINEAR 功能描述:Clock Generator for Intel㈢ Calistoga Chipset
CY28447LFXC 功能描述:时钟发生器及支持产品 Calistoga System Clk Extra SRC Output 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
CY28447LFXCT 功能描述:时钟发生器及支持产品 Calistoga System Clk Extra SRC Output 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
CY28506OC 制造商:Rochester Electronics LLC 功能描述:FTG FOR MOTHERBOARDS - Bulk
CY28506OCT 制造商:Rochester Electronics LLC 功能描述:CLOC - Tape and Reel
CY28507ZC-3 功能描述:时钟缓冲器 PacketClockClk 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
CY28508OCT 制造商:Cypress Semiconductor 功能描述: