Gigabyte GA-880GM-D2H - Page 12

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SIO_CLOCK_R
48M_USB_R
VCC3
VCC3
VCC3
VCC3
VCC3
VCC3
SMBCLK<8,14,27,28>
SMBDATA<8,14,27,28>
RESET<26,28>
NBHT_REFCLKP <10>
NBHT_REFCLKN <10>
NBSRC_CLKP <10>
NBSRC_CLKN <10>
SRCCLK_3GIO_A <17>
-SRCCLK_3GIO_A <17>
PCIE1_CLK <17>
-PCIE1_CLK <17>
SRCCLK_LAN <19>
-SRCCLK_LAN <19>
SBLINK_CLKP <10>
SBLINK_CLKN <10>
SBSRC_CLKP <13>
SBSRC_CLKN <13>
CPUCLK0_H <6>
CPUCLK0_L <6>
USB48M <14>
LPC48 <24>
OSC_14M_NB <10>
Title
Size Document Number Rev
Date: Sheet of
GA-880GM-D2H 1.32
ICS9LPRS477
Custom
12 30Friday, July 23, 2010
Title
Size Document Number Rev
Date: Sheet of
GA-880GM-D2H 1.32
ICS9LPRS477
Custom
12 30Friday, July 23, 2010
Title
Size Document Number Rev
Date: Sheet of
GA-880GM-D2H 1.32
ICS9LPRS477
Custom
12 30Friday, July 23, 2010
100M DIFF
GPPSB_REFCLK 100M DIFF 100M DIFF
100M DIFF
HT_REFCLKP
RS740 RX780 RS780
NB CLOCK INPUT TABLE
66M SE(SE)
NC
100M DIFF
100M DIFF
100M DIFF
100M DIFF
14M SE (3.3V) 14M SE (1.8V) 14M SE (1.1V)
NB CLOCKS
NC NC vref
HT_REFCLKN
100M DIFF
REFCLK_P
100M DIFF
REFCLK_N
NC
GFX_REFCLK*
GPP_REFCLK
100M DIFF
100M DIFF(OUT)
100M DIFF
* the GFX_REFCLK input is required for all cases
100M DIFF
watch dog --
RESTORE#  RESET
3- PUT DECOUPLING CAPS CLOSE TO U800
POWER PIN
2- ROUTE ALL SRCCLKTx AND SRCCLKCx
AS DIFFERENT PAIR RULE
1- PLACE ALL THE SERIES TERMINATION
RESISTORS AS CLOSE TO U800 AS
POSSIBLE
OSC_14M_NB
3.3V 33R serial
1.8V 82.5R/130R
RS740
RX780
RS780
(Single-ended)
1.1V 158R/90.9R
RS780 Stuff only
RS780 Stuff 158ohm
RS740 Stuff 33ohm



IN
**SEL_HTT66/REF0
High
OUT 3.3V 14.318MHz REF output.
Low 100MHz differential HT clock, (Internal 120KΩ pull-down)
66MHz 3.3V single ended HT clock.
9LPRS482 / RTM880T-792
U4
RTM880T-792_TSSOP56/[10HL6-1A0880-30R]
9LPRS482 / RTM880T-792
U4
RTM880T-792_TSSOP56/[10HL6-1A0880-30R]
48Mz_1
10
48Mz_0
11
GND48
12
SMBCLK
13
SMBDAT
14
GNDSRC
19
VDDSRC
20
SRC3C
15
SRC3T
16
SRC2C
17
SRC2T
18
VDDSRC
21
GNDSRC
22
SRC1C
23
SRC1T
24
SRC0C
25
SRC0T
26
SB_SRC1C
27
SB_SRC1T
28
GNDSB
29
VDDSB
30
SB_SRC0C
31
SB_SRC0T
32
GNDATIG
33
ATIG2C
34
ATIG2T
35
GNDATIG
36
VDDATIG
37
ATIG1C
38
ATIG1T
39
ATIG0C
40
ATIG0T
41
GNDA
44
VDDA
45
CPUK8_1C
46
CPUK8_1T
47
GNDCPU
48
VDDCPU
49
CPUK8_0C
50
CPUK8_0T
51
*PD#
52
*RESTORE#
53
GNDHTT
54
HTT0C/66M
55
HTT0T/66M
56
VDDHTT
1
REF2
2
REF1
3
**SEL_HTT66/REF0
4
VDD
42
GND
43
X1
7
X2
8
VDD48
9
GNDREF
6
VDDREF
5
C10 22P/4/NPO/50V/JC10 22P/4/NPO/50V/J
BC898
0.1U/4/Y5V/16V/Z
BC898
0.1U/4/Y5V/16V/Z
R64 1K/4/1/XR64 1K/4/1/X
1U/6/Y5V/10V/Z
BC892
1U/6/Y5V/10V/Z
BC892
R73 1K/4/1R73 1K/4/1
R51 22/4R51 22/4
R62 1K/4/1R62 1K/4/1
BC896
0.1U/4/Y5V/16V/Z
BC896
0.1U/4/Y5V/16V/Z
BC903
0.1U/4/Y5V/16V/Z
BC903
0.1U/4/Y5V/16V/Z
X7
14.318M/16p/20ppm/49US/40/D
X7
14.318M/16p/20ppm/49US/40/D
BC897
0.1U/4/Y5V/16V/Z
BC897
0.1U/4/Y5V/16V/Z
C9 22P/4/NPO/50V/JC9 22P/4/NPO/50V/J
BC36
22u/8/X5R/6.3V/M
BC36
22u/8/X5R/6.3V/M
R61 22/4R61 22/4
R63 22/4R63 22/4
BC893
0.1U/4/Y5V/16V/Z
BC893
0.1U/4/Y5V/16V/Z
BC895
0.1U/4/Y5V/16V/Z
BC895
0.1U/4/Y5V/16V/Z
R68 1K/4/1/XR68 1K/4/1/X
R71 1K/4/1/XR71 1K/4/1/X
BC899
0.1U/4/Y5V/16V/Z
BC899
0.1U/4/Y5V/16V/Z
R74 1K/4/1/XR74 1K/4/1/X
R65 158/4/1R65 158/4/1
BC894
0.1U/4/Y5V/16V/Z
BC894
0.1U/4/Y5V/16V/Z
R66
90.9/4/1
R66
90.9/4/1