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ICS9LPRS525 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 56-pin CK505 - Integrated Device Technology

भाग संख्या ICS9LPRS525
समारोह 56-pin CK505
मैन्युफैक्चरर्स Integrated Device Technology 
लोगो Integrated Device Technology लोगो 
पूर्व दर्शन
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ICS9LPRS525 pdf
ICS9LPRS525
PC MAIN CLOCK
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Pin Description
PIN #
PIN NAME
1 PCI0/CR#_A
2 VDDPCI
3 PCI1/CR#_B
4 PCI2/TME
5 PCI3/CFG0
6 PCI4/SRC5_EN
7 PCI_F5/ITP_EN
8 GNDPCI
9 VDD48
10 USB_48MHz/FSLA
11 GND48
12 VDD96IO
13 DOTT_96_LRS/SRCT0_LRS
14 DOTC_96_LRS/SRCC0_LRS
15 GND
16 VDD
17 SRCT1_LRS/SE1
18 SRCC1_LRS/SE2
19 GND
20 VDDPLL3IO
21 SRCT2_LRS/SATAT_LRS
22 SRCC2_LRS/SATAC_LRS
23 GNDSRC
24 SRCT3_LRS/CR#_C
TYPE
I/O
PWR
I/O
I/O
I/O
I/O
I/O
PWR
PWR
I/O
PWR
PWR
OUT
OUT
PWR
PWR
OUT
OUT
PWR
PWR
OUT
OUT
PWR
I/O
DESCRIPTION
3.3V PCI clock output or Clock Request control A for either SRC0 or SRC2 pair
The power-up default is PCI0 output, but this pin may also be used as a Clock Request control of SRC pair 0 or SRC pair 2 via SMBus. Before
configuring this pin as a Clock Request Pin, the PCI output must first be disabled in byte 2, bit 0 of SMBus address space . After the PCI output is
disabled (high-Z), the pin can then be set to serve as a Clock Request pin for either SRC pair 2 or pair 0 using the CRA#_EN bit located in byte 5 of
SMBUs address space.
Byte 5, bit 7
0 = PCI0 enabled (default)
1= CRA# enabled. Byte 5, bit 6 controls whether CRA# controls SRC0 or SRC2 pair
Byte 5, bit 6
0 = CRA# controls SRC0 pair (default),
1= CRA# controls SRC2 pair
Power supply for PCI clocks, nominal 3.3V
3.3V PCI clock output/Clock Request control B for either SRC1 or SRC4 pair
The power-up default is PCI1 output, but this pin may also be used as a Clock Request control of SRC pair 1 or SRC pair 4 via SMBus. Before
configuring this pin as a Clock Request Pin, the PCI output must first be disabled in byte 2, bit 1 of SMBus address space . After the PCI output is
disabled (high-Z), the pin can then be set to serve as a Clock Request pin for either SRC pair 1 or pair 4 using the CRB#_EN bit located in byte 5 of
SMBUs address space.
Byte 5, bit 5
0 = PCI1 enabled (default)
1= CRB# enabled. Byte 5, bit 6 controls whether CRB# controls SRC1 or SRC4 pair
Byte 5, bit 4
0 = CRB# controls SRC1 pair (default)
1= CRB# controls SRC4 pair
3.3V PCI clock output / Trusted Mode Enable(TME) Latched Input. This pin is sampled on power-up as follows
0=Overclocking of CPU and SRC allowed
1=Overclocking of CPU and SRC NOT allowed
After being sampled on power-up, this pin becomes a 3.3V PCI Output
3.3V PCI clock output/Configuration Strap. See PCI3 Configuration Table for more information
3.3V PCI clock output / SRC5 pair or PCI_STOP#/CPU_STOP# enable strap. On powerup, the logic value on this pin determines if the SRC5 pair is
enabled or if CPU_STOP#/PCI_STOP# is enabled (pins 29 and 30). The latched value controls the pin function on pins 29 and 30 as follows
0 = PCI_STOP#/CPU_STOP#
1 = SRC5/SRC5#
Free running PCI clock output and ITP/SRC8 enable strap. This output is not affected by the state of the PCI_STOP# pin. On powerup, the state of
this pin determines whether pins 38 and 39 are an ITP or SRC pair.
0 =SRC8/SRC8#
1 = ITP/ITP#
Ground pin for the PCI outputs
Power pin for the 48MHz output and PLL.3.3V
3.3V tolerant input for CPU frequency selection. Refer to input electrical characteristics for Vil_FS and Vih_FS values. / Fixed 48MHz USB clock
output. 3.3V.
Ground pin for the 48MHz outputs
Power supply for DOT96 outputs, 1.05V to 3.3V.
True clock of low power differential SRC or DOT96 with integrated 33 ohm Rs. The power-up default function is SRC0. After powerup, this pin function
may be changed to DOT96 via SMBus Byte 1, bit 7 as follows:
0= SRC0
1=DOT96
Complement clock of low power differential SRC or DOT96 with integrated 33 ohm Rs. The power-up default function is SRC0#. After powerup, this
pin function may be changed to DOT96# via SMBus Byte 1, bit 7 as follows
0= SRC0#
1=DOT96#
Ground pin.
Power supply, nominal 3.3V
True clock of low power differential SRC1 clock pair with integrated 33 ohm Rs. / 3.3V single-ended output. The powerup default is 100 MHz SRC, -
0.5% downspread. The pin function may be changed via SMBus B1b[4:1]
Complement clock of low powerl differential SRC1 clock pair with integrated 33 ohm Rs / 3.3V single-ended output. The powerup default is 100 MHz
SRC, -0.5% downspread. The pin function may be changed via SMBus B1b[4:1]
Ground pin.
Power supply for PLL3 outputs. 1.05V to 3.3V.
True clock of low power differentiall SRC/SATA clock pair with integrated Rs.
Complement clock of low power differential push-pull SRC/SATA clock pair with integrated 33 ohm Rs.
Ground pin for the SRC outputs
True clock of low power differential SRC clock pair with integrated 33 ohm Rs./ Clock Request control C for either SRC0 or SRC2 pair. The power-up
default is SRCCLK3 output, but this pin may also be used as a Clock Request control of SRC pair 0 or SRC pair 2 via SMBus. Before configuring this
pin as a Clock Request Pin, the SRC output must first be disabled in byte 4, bit 7 of SMBus address space . After the SRC output is disabled, the pin
can then be set to serve as a Clock Request pin for either SRC pair 2 or pair 0 using the CRC#_EN bit located in byte 5 of SMBUs address space.
Byte 5, bit 3
0 = SRCCLK3 enabled (default)
1= CRC# enabled. Byte 5, bit 2 controls whether CRC# controls SRC0 or SRC2 pair
Byte 5, bit 2
0 = CRC# controls SRC0 pair (default),
1= CRC# controls SRC2 pair
IDTTM/ICSTM PC MAIN CLOCK
2
1484A—04/28/09

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