RTM876-660 PDF даташит
Спецификация RTM876-660 изготовлена «REALTEK» и имеет функцию, называемую «56 pin single-chip frequency generator». |
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Детали детали
Номер произв | RTM876-660 |
Описание | 56 pin single-chip frequency generator |
Производители | REALTEK |
логотип |
20 Pages
No Preview Available ! |
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/
No Preview Available ! |
RTM876-660
Advanced Application
Other Input H/W latch pin Selection
PIN10
PIN10
Sel24_48# 24_48M
0 48MHz
1 24MHz
PIN52
MODE
0
1
PIN11
SEL_1
0
PIN7
SEL_0
0
PIN14/15
LINK/DOT/SATA
Link
PIN35/36
PCIE-8 [TC]/PCISTOP,CPUSTOP
PCIE-8 T/C
PCI_STOP/CPU_STOP
PIN18/19
SATA/PCIE
SATA
PIN11
12M_48M
12M
PIN6
PIN40,41,43,44
Sel_P4_K8 CPU-0/1
0 P4 3.3V
1 K8 0.8V
NOTE
CHIPSET
SiS
Power Management decription
CLKREQ# Functionality
NOTE:CLKREQ function is select by setting CR02[7] = 1
CR20[7]
CR20[6]
CR20[5]
CR20[4]
CLKREQA#
CLKREQB#
PD Functionality
0
1
0
1
0
pcie-7
running
pcie-7
running
-
-
1
pcie-7
running
pcie-7 stop
-
-
0
pcie-6
running
pcie-6
running
-
-
1
pcie-6
running
pcie-6 stop
-
-
0
-
-
pcie-5
running
pcie-5
running
1
-
-
pcie-5
running
pcie-5 stop
0
-
-
pcie-4
running
pcie-4
running
1
-
-
pcie-4
running
pcie-4 stop
PD
CPU
CPU#
PCIE PCIE#
LINK PCIF/PCI 48/24
REF
SATA
1
Driven or
Low
Low
Driven or
Low
Low
Low
Low
Low
Low
Low
0
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
PCI_STOP# Functionality
PCI_STOP# CPU
CPU# PCIE PCIE# LINK PCIF/PCI 48/24
REF
SATA
1
Normal
Normal
0
Normal
Normal
CPU_STOP# Functionality
Normal
Driven or
Low
Normal
Low
Normal
Normal
Normal
Low
Normal
Normal
Normal
Normal
Normal
Normal
CPU_STOP# CPU
CPU# PCIE PCIE# LINK PCIF/PCI 48/24
REF
SATA
1
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Normal
0
Driven or
Low
Low
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Rev0.96
F
r
No Preview Available ! |
RTM876-660
Pin Description
Note : (*) Internal 120K pull-up resistors present, (**) Internal 120K pull-down resistors present, [#] mean active when pull low.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin Name
PCI - 1
**CLKREQ#A
GND
**FS_A
PCI - 2
*FS_B
PCI - 3
VDD_3.3
*SEL_P4_K8#
PCI - 4
*SEL_0
PCI - 5
PCI – 6F
**SYNC
VDD_3.3
**Sel24_48#
24_48M
**Sel_1
12_48M
GND
VDD_3.3
Link – 0
DOT96
SATA
Link – 1
DOT96#
SATA#
GND
VDD_3.3
SATA
PCIE - 0
SATA#
PCIE – 0#
GND
PCIE - 1
PCIE - 1#
GND
PCIE - 2
PCIE - 2#
VDD_3.3
PCIE - 3
PCIE - 3#
PCIE – 6#
PCIE - 6
GND
PCIE – 7#
Internal
Pull
Type
Description
O 3.3V 33MHz PCI output.
low 3.3V LVTTL CLKREQ function selection pin for PCIE7/6(SELECT by CR02[7],CR20[7-6])
I 0 = pcie free running
1 = CLKREQ stop
G Ground pin.
low I 1.8V LVTTL frequency selection pin., refer to HW latch frequency table
O 3.3V 33MHz PCI output.
high I 1.8V LVTTL frequency selection pin. ., refer to HW latch frequency table
O 3.3V 33MHz PCI output.
P 3.3V power input pin.
high 3.3V LVTTL CPU mode selection pin.
I 0 = K8 mode
1 = P4 mode
O 3.3V 33MHz PCI output.
high I 3.3V LVTTL chipset mode selection pin. Refer to CHIPSET SELECT table
O 3.3V 33MHz PCI output.
O 3.3V 33MHz PCI output.
low I 1.8V LVTTL frequency selection pin. ., refer to HW latch frequency table
P 3.3V power input pin.
low 3.3V LVTTL frequency selection pin.
I 1 = 24MHz
0 = 48MHz
O 3.3V 24/48MHz PCI output.
low I 3.3V LVTTL chipset mode selection pin. . Refer to CHIPSET SELECT table
O 3.3V 12_48MHz frequency output pin, selected by chipset selection table
G Ground pin.
P 3.3V power input pin.
O 3.3V 66/133 MHz PCI output. Refer to chipset selection table
O 0.8V DOT96 “true” differential output. Refer to chipset selection table
O 0.8V PCIE “true” differential output. Refer to chipset selection table
O 3.3V 66/133 MHz PCI output. Refer to chipset selection table
O 0.8V DOT96 “complementary” differential output. Refer to chipset selection table
O 0.8V PCIE “complementary” differential output. Refer to Refer to chipset selection table
G Ground pin.
P 3.3V power input pin.
O 0.8V SATA “true” differential output.
O 0.8V PCIE “true” differential output.
O 0.8V SATA “complementary” differential output.
O 0.8V PCIE “complementary” differential output.
G Ground pin.
O 0.8V PCIE “true” differential output.
O 0.8V PCIE “complementary” differential output.
G Ground pin.
O 0.8V PCIE “true” differential output.
O 0.8V PCIE “complementary” differential output.
P 3.3V power input pin.
O 0.8V PCIE “true” differential output.
O 0.8V PCIE “complementary” differential output.
O 0.8V PCIE “complementary” differential output.
O 0.8V PCIE “true” differential output.
G Ground pin.
O 0.8V PCIE “complementary” differential output.
Rev0.96
Free Datasheet http://www.datasheet4u.com/
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RTM876-660 | 56 pin single-chip frequency generator | REALTEK |
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