mk1493-03b Integrated Device Technology, mk1493-03b Datasheet - Page 4

• Manufacturer Part Number: mk1493-03b
• Description: Pci Clock Generator
• Manufacturer: Integrated Device Technology

Power Groups
General SM-Bus Serial Interface
Information
How to Write:
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IDT™ PCI CLOCK GENERATOR
Address D2
MK1493-03B
PCI CLOCK GENERATOR
Data Byte Count = X
Controller (host) sends a start bit
Controller (host) sends the write address D2
IDT clock will acknowledge
Controller (host) sends the beginning byte location = N
IDT clock will acknowledge
Controller sends Byte Count X
IDT clock will acknowledge
Controller (host) starts sending Byte N through Byte
N+X-1
IDT clock will acknowledge each byte one at a time
Controller (host) sends a Stop bit
Controller (Host)
Beg Location = N
30, 40
VDD
Slave
12
35
17
14
(H)
6
T
Pin Number
Index Block Write Operation
starT
WR
29, 41
GND
34
16
15
9
5
Ref, Crystal Osc Power
CPU Clocks(100MHz)
IDT (Slave/Receiver)
PCI 66 clocks
Description
PCICLK
SMBus
supply
PLL
ACK
ACK
ACK
(H)
4
Beginning Byte N
Byte N + X - 1
P
O
O
O
Index Block Write Operation
stoP
MK1493-03B
CLOCK SYNTHESIZER
ACK
ACK
O
O
O
REV H 051310