9FGP204 Datasheet: FREQUENCY TIMING GENERATOR





9FGP204 FREQUENCY TIMING GENERATOR Datasheet

Part Number 9FGP204
Description FREQUENCY TIMING GENERATOR
Manufacture IDT
Total Page 18 Pages
PDF Download Download 9FGP204 Datasheet PDF

Features: DATASHEET Frequency Timing Generator fo r Peripherals 9FGP204 Recommended App lication: Peripheral Clock for Intel Se rver Output Features: • 1 - 0.7V curr ent-mode differential CPU pair • 6 - 50MHz RMII outputs • 2 - 125MHz RGMII outputs • 1 - DOT 96MHz output • 1 - 33.33MHz output • 1 - 32.768KHz ou tput • 2 - 25MHz REF outputs Key Spec ifications: • Exact synthesis on CPU, RGMII, RMII & 33.33MHz clocks • +/- 100ppm frequency accuracy on other cloc ks Features/Benefits: • Selectable SM Bus Address - D0/D1 or C0/C1 • Spread Spectrum capability on CPU and DOT 96M Hz clocks • SMBus Control: - M/N and spread programming on CPU and DOT 96MHz clocks via SMBus - Differential output s can be disabled via pins or SMBus Pi n Configuration VttPwr_GD/PD# SMBDAT S MBCLK RGMII0 RGMII1 GNDRGMII VDDRGMII R MII0 RMII1 VDDRMII 40 39 38 37 36 35 3 4 33 32 31 GND 1 30 GNDRMII VDD96 2 29 RMII2 DOT96SST 3 28 RMII3 DOT96S SC 4 27 GNDRMII OE_96 5 OE_CPU 6 9FGP204 26 VDDRMII 25 RMII4 CPUCLKT0 7 24 RMII5 .

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DATASHEET
Frequency Timing Generator for Peripherals
9FGP204
Recommended Application:
Peripheral Clock for Intel Server
Output Features:
• 1 - 0.7V current-mode differential CPU pair
• 6 - 50MHz RMII outputs
• 2 - 125MHz RGMII outputs
• 1 - DOT 96MHz output
• 1 - 33.33MHz output
• 1 - 32.768KHz output
• 2 - 25MHz REF outputs
Key Specifications:
• Exact synthesis on CPU, RGMII, RMII & 33.33MHz
clocks
• +/- 100ppm frequency accuracy on other clocks
Features/Benefits:
• Selectable SMBus Address - D0/D1 or C0/C1
• Spread Spectrum capability on CPU and DOT 96MHz
clocks
• SMBus Control:
- M/N and spread programming on CPU and DOT
96MHz clocks via SMBus
- Differential outputs can be disabled via pins or SMBus
Pin Configuration
40 39 38 37 36 35 34 33 32 31
GND 1
30 GNDRMII
VDD96 2
29 RMII2
DOT96SST 3
28 RMII3
DOT96SSC 4
27 GNDRMII
OE_96 5
OE_CPU 6
9FGP204
26 VDDRMII
25 RMII4
CPUCLKT0 7
24 RMII5
CPUCLKC0 8
23 VDD33
VDDCPU 9
22 33.33MHZ/**SMBADR
GNDCPU 10
21 GND33
11 12 13 14 15 16 17 18 19 20
40-MLF
* Internal Pull-Up Resistor
** Internal Pull-Dow n Resistor
Functionality
CPU FS2 CPU FS1 CPU FS0 CPUCLK DOT96SS
Byte0 Bit2 Byte0 Bit1 Byte0 Bit0 MHz
MHz
0 0 0 266.67 96.00
0 0 1 133.33 96.00
0 1 0 200.00 96.00
0 1 1 166.67 96.00
1 0 0 333.33 96.00
1 0 1 100.00 96.00
1 1 0 400.00 96.00
1 1 1 Reserved 96.00
Power up default is highlighted.
33.33
MHz
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
RMII
MHz
50.00
50.00
50.00
50.00
50.00
50.00
50.00
50.00
RGMII
MHz
125.00
125.00
125.00
125.00
125.00
125.00
125.00
125.00
25
MHz
25.00
25.00
25.00
25.00
25.00
25.00
25.00
25.00
32.768
KHz
32.768
32.768
32.768
32.768
32.768
32.768
32.768
32.768
SMBus Address Selection
SMBADR
*SMBADR = 0 SMBADR = 1
D0/D1
C0/C1
* Default value
IDT® Frequency Timing Generator for Peripherals
1
1604B—08/29/11

                    
                    






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