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参数资料
| 型号： | 5V19EE904NLGI |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 5V SERIES, PLL BASED CLOCK DRIVER, 7 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32 |
| 封装： | 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 6/29页 |
| 文件大小： | 292K |
| 代理商： | 5V19EE904NLGI |
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IDT5V19EE904
EEPROM PROGRAMMABLE VCXO CLOCK GENERATOR
CLOCK SYNTHESIZER
IDT EEPROM PROGRAMMABLE VCXO CLOCK GENERATOR
14
IDT5V19EE904
REV H 042211
Progread
Note: If the expected read command is not from the next higher register to the previous read or write command, then set a
known “read” register address prior to a read operation by issuing the following command:
Prior to Progread Command Set Register Address
The user can ignore the STOP condition above and use a repeated START condition instead, straight after the slave
acknowledgement bit (i.e., followed by the Progread command):
Progread Command Frame
Progsave
Note:
PROGWRITE is for writing to the IDT5V19EE904 registers.
PROGREAD is for reading the IDT5V19EE904 registers.
PROGSAVE is for saving all the contents of the IDT5V19EE904 registers to the EEPROM.
PROGRESTORE is for loading the entire EEPROM contents to the IDT5V19EE904 registers.
Progrestore
EEPROM Interface
The IDT5V19EE904 can also store its configuration in an internal EEPROM. The contents of the device's internal
programming registers can be saved to the EEPROM by issuing a save instruction (ProgSave) and can be loaded back to
the internal programming registers by issuing a restore instruction (ProgRestore).
To initiate a save or restore using I2C, only two bytes are transferred. The Device Address is issued with the read/write bit
set to “0”, followed by the appropriate command code. The save or restore instruction executes after the STOP condition is
issued by the Master, during which time the IDT5V19EE904 will not generate Acknowledge bits. The IDT5V19EE904 will
acknowledge the instructions after it has completed execution of them. During that time, the I2C bus should be interpreted
as busy by all other users of the bus.
On power-up of the IDT5V19EE904, an automatic restore is performed to load the EEPROM contents into the internal
programming registers. The IDT5V19EE904 will be ready to accept a programming instruction once it acknowledges its 7-bit
I2C address.
SAddress
R/W
ACK
Command Code
ACK
Register
ACK
P
7-bits
0
1-bit
8-bits: xxxx xx00
1-bit
8-bits
1-bit
SAddress
R/W
ACK
ID Byte
ACK
Data_1
ACK
Data_2
ACK
Data_last
NACK
P
7-bits
1
1-bit
8-bits
1-bit
8-bits
1-bit
8-bits
1-bit
8-bits
1-bit
SAddress
R/W
ACK
Command Code
ACK
P
7-bits
0
1-bit
8-bits: xxxx xx01
1-bit
SAddress
R/W
ACK
Command Code
ACK
P
7-bits
0
1-bit
8-bits: xxxx xx10
1-bit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 5V19EE904NLGI8 | 功能描述:时钟发生器及支持产品 EEPROM PROGRAMMABLE PLL AND VCXO 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 |
| 5V1A-ADAPTER | 制造商:Distributed By MCM 功能描述:5V 1A Switching AC Power Supply - Micro USB |
| 5V1A-USB | 制造商:Gravitech 功能描述:USB WALL ADAPTER 5V 1A |
| 5V1BC | 制造商:SEMTECH_ELEC 制造商全称:SEMTECH ELECTRONICS LTD. 功能描述:Silicon Epitaxial Planar Zener Diodes |
| 5V1BCA | 制造商:SEMTECH_ELEC 制造商全称:SEMTECH ELECTRONICS LTD. 功能描述:Silicon Epitaxial Planar Zener Diodes |
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