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9LPRS525 PDF даташит

Спецификация 9LPRS525 изготовлена ​​​​«Integrated Device Technology» и имеет функцию, называемую «ICS9LPRS525».

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Номер произв 9LPRS525
Описание ICS9LPRS525
Производители Integrated Device Technology
логотип Integrated Device Technology логотип 

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9LPRS525 Даташит, Описание, Даташиты
DATASHEET
56-pin CK505 for Intel Systems
ICS9LPRS525
Recommended Application:
56-pin CK505 compatible clock, w/fully integrated Vreg and series
resistors on differential outputs
Output Features:
• 2 - CPU differential low power push-pull pairs
• 7 - SRC differential push-pull pairs
• 1 - CPU/SRC selectable differential low power push-pull pair
• 1 - SRC/DOT selectable differential low power push-pull pair
• 1 - SRC/SE selectable differential push-pull pair/Single-ended
outputs
• 5 - PCI, 33MHz
• 1 - USB, 48MHz
• 1 - REF, 14.318MHz
Key Specifications:
• CPU outputs cycle-cycle jitter < 85ps
• SRC output cycle-cycle jitter < 125ps
• PCI outputs cycle-cycle jitter < 250ps
• +/- 100ppm frequency accuracy on all outputs
• SRC outputs meet PCIe Gen2 when sourced from PLL3
Features/Benefits:
• Supports spread spectrum modulation, 0 to -0.5% down
spread
• Supports CPU clks up to 400MHz
• Uses external 14.318MHz crystal, external crystal load
caps are required for frequency tuning
Table 1: CPU Frequency Select Table
FSLC2
B0b7
0
0
0
0
1
1
1
1
FSLB1
B0b6
0
0
1
1
0
0
1
1
FSLA1
B0b5
0
1
0
1
0
1
0
1
CPU
MHz
266.66
133.33
200.00
166.66
333.33
100.00
400.00
SRC PCI REF USB DOT
MHz MHz MHz MHz MHz
100.00 33.33 14.318 48.00 96.00
Reserved
1. FSLA and FSLB are low-threshold inputs.Please see VIL_FS and VIH_FS specifications in
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
2. FSLC is a three-level input. Please see the VIL_FS and VIH_FS
specifications in the Input/Supply/Common Output Parameters Table for correct values.
Pin Configuration
PCI0/CR#_A 1
56 SCLK
VDDPCI 2
PCI1/CR#_B 3
PCI2/TME 4
PCI3/CFG0 5
PCI4/SRC5_EN 6
PCI_F5/ITP_EN 7
GNDPCI 8
VDD48 9
USB_48MHz/FSLA 10
GND48 11
VDD96IO 12
DOTT_96_LRS/SRCT0_LRS 13
DOTC_96_LRS/SRCC0_LRS 14
GND 15
VDD 16
SRCT1_LRS/SE1 17
SRCC1_LRS/SE2 18
GND 19
VDDPLL3IO 20
SRCT2_LRS/SATAT_LRS 21
SRCC2_LRS/SATAC_LRS 22
GNDSRC 23
SRCT3_LRS/CR#_C 24
SRCC3_LRS/CR#_D 25
VDDSRCIO 26
SRCT4_LRS 27
SRCC4_LRS 28
55 SDATA
54 REF0/FSLC/TEST_SEL
53 VDDREF
52 X1
51 X2
50 GNDREF
49 FSLB/TEST_MODE
48 CK_PWRGD/PD#
47 VDDCPU
46 CPUT0_LRS
45 CPUC0_LRS
44 GNDCPU
43 CPUT1_F_LRS
42 CPUC1_F_LRS
41 VDDCPUIO
40 NC
39 CPUT2_ITP_LRS/SRCT8_LRS
38 CPUC2_ITP_LRS/SRCC8_LRS
37 VDDSRCIO
36 SRCT7_LRS/CR#_F
35 SRCC7_LRS/CR#_E
34 GNDSRC
33 SRCT6_LRS
32 SRCC6_LRS
31 VDDSRC
30 PCI_STOP#/SRCT5_LRS
29 CPU_STOP#/SRCC5_LRS
56-SSOP & TSSOP
IDTTM PC MAIN CLOCK
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9LPRS525 Даташит, Описание, Даташиты
ICS9LPRS525
PC MAIN CLOCK
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 PC MAIN CLOCK
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9LPRS525 Даташит, Описание, Даташиты
ICS9LPRS525
PC MAIN CLOCK
Pin Description (continued)
PIN #
PIN NAME
25 SRCC3_LRS/CR#_D
26 VDDSRCIO
TYPE
I/O
PWR
DESCRIPTION
Complementary clock of low power differential SRC clock pair with integrated 33 ohm Rs/ Clock Request control D for either SRC1 or SRC4 pair.
The power-up default is SRCCLK3 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 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 1 or pair 4 using the CRD#_EN bit located in byte 5 of SMBUs
address space.
Byte 5, bit 1
0 = SRC3 enabled (default)
1= CRD# enabled. Byte 5, bit 0 controls whether CRD# controls SRC1 or SRC4 pair
Byte 5, bit 0
0 = CRD# controls SRC1 pair (default),
1= CRD# controls SRC4 pair
Power supply for SRC outputs. 1.05V to 3.3V.
27 SRCT4_LRS
OUT
True clock of low power differential SRC clock pair with integrated 33 ohm Rs.
28 SRCC4_LRS
29 CPU_STOP#/SRCC5_LRS
30 PCI_STOP#/SRCT5_LRS
31 VDDSRC
OUT
I/O
I/O
PWR
Complement clock of low power differential SRC clock pair with 33 ohm integrated Rs.
Stops all CPUCLK, except those set to be free running clocks /
Complement clock of low power differential SRC pair with 33 ohm integrated Rs.
Stops all PCICLKs at logic 0 level, when low. Free running PCICLKs are not effected by this input. / True clock of low power differential SRC pair
with integrated 33 ohm Rs.
Supply for SRC PLL, 3.3V nominal
32 SRCC6_LRS
OUT
Complement clock of low power differential SRC clock pair with 33 ohm integrated Rs.
33 SRCT6_LRS
OUT
True clock of low power differential SRC clock pair with integrated 33 ohm Rs.
34 GNDSRC
35 SRCC7_LRS/CR#_E
36 SRCT7_LRS/CR#_F
37 VDDSRCIO
38 CPUC2_ITP_LRS/SRCC8_LRS
39 CPUT2_ITP_LRS/SRCT8_LRS
PWR
I/O
I/O
PWR
OUT
OUT
Ground pin for the SRC outputs
Complement clock of differential push-pull SRC clock pair with 33 ohm integrated Rs. / Clock Request control E for SRC6 pair. The power-up default
is SRC7#, but this pin may also be used as a Clock Request control of SRC6 via SMBus. Before configuring this pin as a Clock Request Pin, the
SRC7 output pair must first be disabled in byte 3, bit 3 of SMBus configuration space . After the SRC output is disabled (high-Z), the pin can then be
set to serve as a Clock Request for SRC6 pair using byte 6, bit 7 of SMBus configuration space
Byte 6, bit 7
0 = SRC7# enabled (default)
1= CRE# enabled.
True clock of differential push-pull SRC clock pair/ Clock Request control 8 for SRC8 pair
The power-up default is SRC7, but this pin may also be used as a Clock Request control of SRC8 via SMBus. Before configuring this pin as a Clock
Request Pin, the SR
Power supply for SRC outputs. 1.05V to 3.3V.
Complement clock of low power differential CPU2/Complement clock of differential SRC pair. 33 ohm Rs is integrated. The function of this pin is
determined by the latched input value on pin 7, PCIF5/ITP_EN on powerup. The function is as follows:
Pin 7 latched input Value
0 = SRC8#
1 = ITP#
True clock of low power differential CPU2/True clock of differential SRC pair. 33 ohm Rs is integrated. The function of this pin is determined by the
latched input value on pin 7, PCIF5/ITP_EN on powerup. The function is as follows:
Pin 7 latched input Value
0 = SRC8
1 = ITP
40 NC
41 VDDCPUIO
N/A
PWR
No Connect
Power supply for CPU outputs, 1.05V to 3.3V.
42 CPUC1_F_LRS
OUT
Complementary clock of low power differential push-pull CPU output with integrated 33 ohm Rs. This CPU clock is free running during iAMT.
43 CPUT1_F_LRS
44 GNDCPU
45 CPUC0_LRS
46 CPUT0_LRS
47 VDDCPU
48 CK_PWRGD/PD#
49 FSLB/TEST_MODE
50 GNDREF
51 X2
52 X1
53 VDDREF
54 REF0/FSLC/TEST_SEL
55 SDATA
56 SCLK
OUT
PWR
OUT
OUT
PWR
IN
IN
PWR
OUT
IN
PWR
I/O
I/O
IN
True clock of differential push-pull CPU clock pair with integrated 33 ohm Rs. This clock is free running during iAMT.
Ground pin for the CPU outputs
Complement clock of low power differential CPU clock pair with integrated 33 ohm Rs.
True clock of low power differential CPU clock pair with integrated 33 ohm Rs.
Supply for CPU PLL, 3.3V nominal
Notifies CK505 to sample latched inputs, or iAMT entry/exit, or PWRDWN# mode
3.3V tolerant input for CPU frequency selection. Refer to input electrical characteristics for Vil_FS and Vih_FS values. TEST_MODE is a real time
input to select between Hi-Z and REF/N divider mode while in test mode. Refer to Test Clarification Table.
Ground pin for the REF outputs.
Crystal output, Nominally 14.318MHz
Crystal input, Nominally 14.318MHz.
Ref, XTAL power supply, nominal 3.3V
14.318 MHz reference clock./ 3.3V tolerant input for CPU frequency selection. Refer to input electrical characteristics for Vil_FS and Vih_FS values.
/TEST_Sel: 3-level latched input to enable test mode. Refer to Test Clarification Table
Data pin for SMBus circuitry, 5V tolerant.
Clock pin of SMBus circuitry, 5V tolerant.
IDTTM PC MAIN CLOCK
3
1484C—04/20/10










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