ICS9UMS9610
PC MAIN CLOCK
Pin Description (continued)
Logic Level
Input Level
Tolerance (V)
N/A
PIN #
PIN NAME
TYPE
DESCRIPTION
(V)
0
25 GNDSRC
GND Ground pin for the SRC outputs
Complementary clock of differential 0.8V push-pull SRC output with
integrated 33ohm series resistor. No 50ohm resistor to GND needed.
True clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
26 SRCC0_LPR
OUT
0.8
0.8
N/A
N/A
27 SRCT0_LPR
OUT
28 *CR#1_1.5
29 VDDCORE_1.5
30 VDDIO_1.5
IN 1.5V Clock request for SRC1, 0 = enable, 1 = disable
PWR 1.5V power for the PLL core
PWR Power supply for low power differential outputs, nominal 1.5V.
1.5
1.5
1.5
1.5
1.5
1.5
Complementary clock of differential 0.8V push-pull SRC output with
integrated 33ohm series resistor. No 50ohm resistor to GND needed.
31 SRCC1_LPR
OUT
0.8
N/A
True clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
GND Ground pin for the SRC outputs
32 SRCT1_LPR
33 GNDSRC
OUT
0.8
0
N/A
N/A
N/A
Complementary clock of differential 0.8V push-pull SRC output with
integrated 33ohm series resistor. No 50ohm resistor to GND needed.
34 SRCC2_LPR
OUT
0.8
True clock of differential 0.8V push-pull SRC output with integrated 33ohm
series resistor. No 50ohm resistor to GND needed.
IN 1.5V Clock request for SRC2, 0 = enable, 1 = disable
35 SRCT2_LPR
36 *CR#2_1.5
37 FSB_L_1.5
OUT
0.8
1.5
1.5
N/A
1.5
1.5
Low threshold input for CPU frequency selection. Refer to input electrical
characteristics for Vil_FS and Vih_FS values. 1.5V Max input voltage.
IN
Complementary clock of differential pair 0.8V push-pull CPU outputs with
integrated 33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
38 CPUC2_LPR
39 CPUT2_LPR
OUT
0.8
0.8
N/A
N/A
OUT
40 GNDCPU
41 VDDIO_1.5
42 VDDCORE_1.5
GND Ground pin for the CPU outputs
PWR Power supply for low power differential outputs, nominal 1.5V.
PWR 1.5V power for the PLL core
0
1.5
1.5
N/A
1.5
1.5
Complementary clock of differential pair 0.8V push-pull CPU outputs with
integrated 33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
43 CPUC1_LPR
44 CPUT1_LPR
OUT
0.8
0.8
N/A
N/A
OUT
45 GNDCPU
46 VDDIO_1.5
GND Ground pin for the CPU outputs
PWR Power supply for low power differential outputs, nominal 1.5V.
0
1.5
N/A
1.5
Complementary clock of differential pair 0.8V push-pull CPU outputs with
integrated 33ohm series resistor. No 50 ohm resistor to GND needed.
True clock of differential pair 0.8V push-pull CPU outputs with integrated
33ohm series resistor. No 50 ohm resistor to GND needed.
47 CPUC0_LPR
48 CPUT0_LPR
OUT
0.8
0.8
N/A
N/A
OUT
IDTTM/ICSTM PC MAIN CLOCK
1336—06/01/09
3