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PDF RTM876-660 Data sheet ( Hoja de datos )
| Número de pieza | RTM876-660 | |
| Descripción | 56 pin single-chip frequency generator | |
| Fabricantes | REALTEK | |
| Logotipo |  |
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 1. 56 pin single-chip frequency generator  Hay una vista previa y un enlace de descarga de RTM876-660 (archivo pdf) en la parte inferior de esta página. Total 20 Páginas | ||
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General Application:
RTM876-660 is a 56 pin single-chip frequency generator.
RTM876-660 Support Pin Features
•2 - Differential pairs push-pull CPU @0.8V or @3.3V
•6 - Differential pairs push-pull PCI-E @0.8V
•1 - Differential pairs push-pull SATA @0.8V or PCI-E @0.8V
•1 - Differential pairs push-pull DOT96/ [email protected] or 2-Link @3.3V
•7 - PCI @3.3V
•2 - 48MHz @3.3V
•3 - REF @3.3V, 14.318MHz
RTM876-660
Others Features
•Programmable frequency with CPU/PCIE/AGP/PCI
•CPU working range support from 100MHz to 400MHz
•Independent clock group Spread spectrum for EMI control
•Power Management function support
•Watchdog programmable time base reset output
•4-steps programmable drive strength
•16-steps programmable skew adjustment with 75p resolution
•4-stages dynamic frequency switch with innovative AFM over-clock profile
•PCIE clock phase jitter < 86ps.
TOP VIEW: SSOP56 package
* internal pull high
** internal pull low
H/W Latch Frequency Table
SYNC FSD FSC FSB FSA
BIT4 BIT3 BIT2 BIT1 BIT0
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
CPU- 0
266.66
133.33
200.00
166.66
333.33
100.00
400.00
200.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
200.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
200.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
200.00
CPU- 1
266.66
133.33
200.00
166.66
333.33
100.00
400.00
240.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
250.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
240.00
266.66
133.33
200.00
166.66
333.33
100.00
400.00
250.00
PCIE
100.00
100.00
100.00
100.00
100.00
100.00
100.00
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
A-100
FIX100
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
SATA
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
FIX100
LINK PCI SSC
66.66
66.66
66.66
66.66
66.66
66.66
66.66
A-133.33
133.33
133.33
133.33
A-133.33
A-133.33
133.33
133.33
A-133.33
66.66
66.66
66.66
66.66
66.66
66.66
66.66
FIX-125
FIX-125
FIX-125
FIX-125
FIX-125
FIX-125
FIX-125
FIX-125
FIX-125
33.33
33.33
33.33
33.33
33.33
33.33
33.33
A-33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
FIX33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
33.33
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
+/-0.25%
**CLKREQ#A/PCI - 1 1
GND 2
**FS_A/PCI - 2 3
*FS_B/PCI - 3 4
VDD_3.3 5
*SEL_P4_K8#/PCI - 4 6
*SEL_0/PCI - 5 7
**SYNC/PCI - 6F 8
VDD_3.3 9
**Sel24_48#/24_48M 10
**Sel_1/12_48M 11
GND 12
VDD_3.3 13
Link - 0/DOT96/SATA 14
Link - 1/DOT96#/SATA# 15
GND 16
VDD_3.3 17
SATA/PCIE - 0 18
SATA#/PCIE - 0# 19
GND 20
PCIE - 1 21
PCIE - 1# 22
GND 23
PCIE - 2 24
PCIE - 2# 25
VDD_3.3 26
PCIE - 3 27
PCIE - 3# 28
56 **CLKREQ#B/PCI - 0
55 *RESET
54 **FS_D/REF - 0
53 **FS_C/REF - 1
52 **MODE/REF - 2
51 GND
50 XIN
49 XOUT
48 VDD_3.3
47 *SCLK
46 *SDAT
45 *Vtt_PG#/PD
44 CPU - 0
43 CPU - 0#
42 VDD_3.3
41 CPU - 1
40 CPU - 1#
39 GND
38 GND_CORE
37 VDD_CORE
36 *CPU_STOP#/PCIE - 8
35 *PCI_STOP#/PCIE - 8#
34 VDD_3.3
33 PCIE - 7
32 PCIE - 7#
31 GND
30 PCIE - 6
29 PCIE - 6#
Rev0.96
Free Datasheet http://www.datasheet4u.com/
1 page  
Register Description
Address CR 00h [0]
Bit Description
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
12_48M selection.
0 = 12MHz
1 = 48MHz
MODE selection
0 = PCIE-8 T/C (pin34/35)
1 = PCI_STOP/CPU_STOP (pin34/35)
0 = CPU-1T/C disable (P4K8)
1 = CPU-1T/C enable (P4K8)
0 = CPU-0 T/C disable (P4K8)
1 = CPU-0 T/C enable (P4K8)
0 = DOT96_SATA T/C disable
1 =,DOT96_SATA T/C enable
0 = PCIE-8 T/C disable
1 = PCIE-8 T/C enable
0 = PCIE-7 T/C disable
1 = PCIE-7 T/C enable
0 = PCIE-6 T/C disable
1 = PCIE-6 T/C enable
Address CR 01h [1]
Bit
Bit7
Reserved
Description
Bit6
Reserved
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0 = PCIE-3 T/C disable
1 = PCIE-3 T/C enable
0 = PCIE-2 T/C disable
1 = PCIE-2 T/C enable
0 = PCIE-1 T/C disable
1 = PCIE-1 T/C enable
0 = PCIE-0 T/C SATA disable
1 = PCIE-0 T/C SATA enable
0 = Link-1 disable
1 = Link -1 enable
0 = Link -0 disable
1 = Link -0 enable
RTM876-660
Pin
Type
Default
R/W [Latched]
R/W [Latched]
R/W 1
R/W 1
R/W 1
R/W 1
R/W 1
R/W 1
Pin
Type
Default
R/W 1
R/W 1
R/W 1
R/W 1
R/W 1
R/W 1
R/W [Latched]
R/W [Latched]
Rev0.96
Free Datasheet http://www.datasheet4u.com/
5 Page 
Address CR 11h [17]
Bit Description
Bit[7]
Reserved
Bit[6:0]
PLL1 VCO code_1 [6:0]
PLL1 VCO = VCO code_1 * 10 + VCO code_2
Address CR 12h [18]
Bit Description
Bit[7]
Reserved
Bit[6:0]
PLL3_VCO code_1 [6:0]
PLL3 VCO = PLL3 VCO code_1 * 10 +PLL3 VCO code_2
Address CR 13h [19]
Bit Description
Bit[7:4]
PLL1_VCO code_2 [3:0]
PLL1 VCO = PLL1 VCO code_1 * 10 +PLL1 VCO code_2
Bit[3:0]
PLL3_VCO code_2 [3:0]
PLL3 VCO = PLL3 VCO code_1 * 10 +PLL3 VCO code_2
Address CR 14h [20]
Bit Description
Bit[7:1] PLL3 Turbo-1 VCO_1 code bit[6:0]
Bit[0]
PLL3 Turbo-1 VCO_2 code bit[3]
Address CR 15h [21]
Bit Description
Bit[7:1] PLL3 Turbo-2 VCO_1 code bit[6:0]
Bit[0]
PLL3 Turbo-2 VCO_2 code bit[3]
Address CR 16h [22]
Bit Description
Bit[7:0] M code bit[7:0] for PLL2
Address CR 17h [23]
Bit Description
Bit[7:6] M code bit[9:8] for PLL2
Bit[5:0] N code bit[5:0] for PLL2
RTM876-660
Type
R/W
R/W
Default
0
[101-0000]
Type
R/W
R/W
Default
0
[101-0000]
Type
R/W
R/W
Default
[0000]
[0000]
Type
R/W
R/W
Default
[1010-000]
[0]
Type
R/W
R/W
Default
[1010-000]
[0]
Type
R/W
Default
[ 1011_0110]
Type
R/W
R/W
Default
[ 01 ]
[ 01_0011]
Rev0.96
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet RTM876-660.PDF ] | |
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