參數(shù)資料
型號(hào): IDTCV123
廠商: Integrated Device Technology, Inc.
英文描述: PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR
中文描述: 可編程FLEXPC時(shí)鐘P4處理器
文件頁(yè)數(shù): 4/16頁(yè)
文件大?。?/td> 89K
代理商: IDTCV123
COMMERCIAL TEMPERATURE RANGE
4
IDTCV123
PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR
PIN DES CRIPT ION (CONT.)
Pin Number
43
CPUC1
44
CPUT1
45
V
DD
_CPU
46
CPUC0
47
CPUT0
48
V
SS
_CPU
49
50
51
XTAL_OUT
52
XTAL_IN
53
V
SS
_REF
54
REF1/ FSA
55
REF0/ FSC
56
V
DD
_REF
Name
Type
OUT
OUT
PWR
OUT
OUT
GND
IN
I/O
OUT
IN
GND
I/O
I/O
PWR
Description
Host 0.7V current mode differential clock output
Host 0.7V current mode differential clock output
3.3V
Host 0.7V current mode differential clock output
Host 0.7V current mode differential clock output
GND
SM bus clock
SM bus data
Xtal output
Xtal input
GND
14.318 MHz reference clock output. CPU frequency selection at V
TT
_P
WRGD
# assertion.
14.318 MHz reference clock output. CPU frequency selection at V
TT
_P
WRGD
# assertion.
3.3V
SCL
SDA
INDEX BLOCK WRITE PROTOCOL
Bit
#of bits
From
1
1
Master
2-9
8
Master
10
1
Slave
11-18
8
Master
19
1
Slave
20-27
8
Master
28
1
Slave
29-36
8
Master
37
1
Slave
38-45
8
Master
46
1
Slave
Description
Start
D2h
Ack (Acknowledge)
Register offset byte (starting byte)
Ack (Acknowledge)
Byte count, N, (0 is not valid
Ack (Acknowledge)
first data byte (Offset data byte)
Ack (Acknowledge)
2nd data byte
Ack (Acknowledge)
:
Nth data byte
Acknowledge
Stop
Master
Slave
Master
INDEX BLOCK READ PROTOCOL
Master can stop reading any time by issuing the stop bit without waiting
until Nth byte (byte count bit30-37).
Bit
1
2-9
10
11-18
19
20
21-28
29
30-37
#of bits
1
8
1
8
1
1
8
1
8
From
Master
Master
Slave
Master
Slave
Master
Master
Slave
Slave
Description
Start
D2H
Ack (Acknowledge)
Register offset byte (starting byte)
Ack (Acknowledge)
Repeated Start
D3H
Ack (Acknowledge)
Byte count, N (block read back of N
bytes), power on is 8
Ack (Acknowledge)
first data byte (Offset data byte)
Ack (Acknowledge)
2nd data byte
Ack (Acknowledge)
:
Ack (Acknowledge)
Nth data byte
Not acknowledge
Stop
38
1
8
1
8
Master
Slave
Master
Slave
39-46
47
48-55
Master
Slave
Master
INDEX BY TE WRITE
Setting bit[11:18] = starting address, bit[20:27] = 01h.
INDEX BY TE READ
Setting bit[11:18] = starting address. After reading back the first data byte,
master issues Stop bit.
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IDTCV123PVG 功能描述:IC FLEXPC CLK PROGR P4 56-SSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 專用 系列:FlexPC™ 標(biāo)準(zhǔn)包裝:1,500 系列:- 類型:時(shí)鐘緩沖器/驅(qū)動(dòng)器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP(0.209",5.30mm 寬) 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT
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IDTCV125 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR