DATASHEET
ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
Recommended Application:
Pin Configuration:
Serverworks HT2100-based systems using AMD K8
processors
X1 1
X2 2
64 VDD25MHz
63 25MHz_0
VDDREF 3
FS0/REF0 4
FS1/REF1 5
FS2/REF2 6
GNDREF 7
VDD48 8
48MHz_0 9
48MHz_1 10
48MHz_2 11
GND48 12
62 25MHz_1
61 GND25MHz
60 SPREAD_EN
59 CPUCLK8T6
58 CPUCLK8C6
57 CPUCLK8T5
56 CPUCLK8C5
55 VDDCPU
Output Features:
•
•
•
•
•
•
7 - Pairs of AMD K8 clocks
6 - Pair of SRC/PCI Express* clock
3 - 14.318 MHz REF clocks
3 - 48MHz clocks
2 - PCI 33 MHz clocks
2 - 25MHz clocks
54 GND
53 CPUCLK8T4
52 CPUCLK8C4
51 CPUCLK8T3
50 CPUCLK8C3
49 VDDCPU
SCLK 13
Features:
SDATA 14
VDDPCI 15
**FS3/PCICLK0 16
PCICLK1 17
GNDPCI 18
PD# 19
•
•
•
Spread Spectrum for EMI reduction
Outputs may be disabled via SMBus
M/N programming via SMBus
48 GND
47 CPUCLK8T2
46 CPUCLK8C2
45 CPUCLK8T1
44 CPUCLK8C1
43 CPUCLK8T0
42 CPUCLK8C0
41 VDDCPU
GND 20
VDDA 21
GNDA 22
IREF 23
Functionality
Bit2 Bit1 Bit0
FS2 FS1 FS0
CPU
(MHz)
VDDA 24
SRCCLKT0 25
SRCCLKC0 26
SRCCLKT1 27
SRCCLKC1 28
SRCCLKT2 29
SRCCLKC2 30
VDDSRC 31
GNDSRC 32
40 GND
39 VDDSRC
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Hi-Z
X/4
38 SRCCLKT5
37 SRCCLKC5
36 SRCCLKT4
35 SRCCLKC4
34 SRCCLKT3
33 SRCCLKC3
180.00
220.00
100.00
133.33
166.67
200.00
64-TSSOP
Power Groups
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
Pin Number
Description
VDD
8
64
15
21,24
31, 39
GND
12
61
18
22
32
48MHz Clocks
25MHz Clocks
33 MHz PCI Clocks
IREF, Analog Core
SRC clocks
55, 49, 41 54, 48, 40
K8 CPU Clocks
3
7
REF Clocks, Xtal Osc.
IDT® K8 Clock Chip for Serverworks HT2100 Servers
1131D – 05/04/10
1