参数资料
型号: ICS91719YG-T
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: PLL BASED CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封装: 4.40 MM, 0.65 MM PITCH, MO-153, TSSOP-16
文件页数: 5/10页
文件大小: 69K
代理商: ICS91719YG-T
4
ICS91719
0506C—07/28/03
1.
The ICS clock generator is a slave/receiver, I
2C component. It can read back the data stored in the latches for
verification. Read-Back will support Intel PIIX4 "Block-Read" protocol.
2.
The data transfer rate supported by this clock generator is 100K bits/sec or less (standard mode)
3.
The input is operating at 3.3V logic levels.
4.
The data byte format is 8 bit bytes.
5.
To simplify the clock generator I
2C interface, the protocol is set to use only "Block-Writes" from the controller.
The bytes must be accessed in sequential order from lowest to highest byte with the ability to stop after any
complete byte has been transferred. The Command code and Byte count shown above must be sent, but the
data is ignored for those two bytes. The data is loaded until a Stop sequence is issued.
6.
At power-on, all registers are set to a default condition, as shown.
Controller (Host)
ICS (Slave/Receiver)
Start Bit
Address
D2(H)
ACK
Dummy Command Code
ACK
Dummy Byte Count
ACK
Byte 0
ACK
Byte 1
ACK
Byte 2
ACK
Byte 3
ACK
Byte 4
ACK
Byte 5
ACK
Byte 6
ACK
Byte 7
ACK
Stop Bit
How to Write:
Controller (Host)
ICS (Slave/Receiver)
Start Bit
Address
D3(H)
ACK
Byte Count
ACK
Byte 0
ACK
Byte 1
ACK
Byte 2
ACK
Byte 3
ACK
Byte 4
ACK
Byte 5
ACK
Byte 6
ACK
Byte 7
Stop Bit
How to Read:
General I
2C serial interface information
The information in this section assumes familiarity with I
2C programming.
For more information, contact ICS for an I
2C programming application note.
How to Write:
Controller (host) sends a start bit.
Controller (host) sends the write address D2 (H)
ICS clock will
acknowledge
Controller (host) sends a dummy command code
ICS clock will
acknowledge
Controller (host) sends a dummy byte count
ICS clock will
acknowledge
Controller (host) starts sending first byte (Byte 0)
through byte 6
ICS clock will
acknowledge each byte one at a
time.
Controller (host) sends a Stop bit
How to Read:
Controller (host) will send start bit.
Controller (host) sends the read address D3 (H)
ICS clock will
acknowledge
ICS clock will send the
byte count
Controller (host) acknowledges
ICS clock sends first byte
(Byte 0) through byte 7
Controller (host) will need to acknowledge each
byte
Controller (host) will send a stop bit
Notes:
相关PDF资料
PDF描述
ICS9177-01CF52LF 75 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP52
ICS9179G-03 LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
ICS9179G-03-T LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
ICS9179F-03-LF LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
ICS9179F-03 LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
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