9UMS9001AKLF IDT [Integrated Device Technology], 9UMS9001AKLF Datasheet - Page 3

• Manufacturer Part Number: 9UMS9001AKLF
• Description: PC MAIN CLOCK - CK540
• Manufacturer: IDT [Integrated Device Technology]

Pin Description (continued)
IDT
PIN #
9UMS9001
PC MAIN CLOCK - CK540
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
®
PC MAIN CLOCK - CK540
CKLREQ0#
SRC0C_LPRS
SRC0T_LPRS
SRC1C_LPRS
SRC1T_LPRS
GNDSRC
VDDIO_SRC
SRC2C_LPRS
SRC2T_LPRS
SRC3C_LPRS
SRC3T_LPRS
VDDCORE_3.3
CLKREQ3#
CLKREQ2#
FSLB
CPU_STOP#
CPUITPC_LPRS
CPUITPT_LPRS
CPU1C_LPRS
CPU1T_LPRS
VDDIO_CPU
GNDCPU
CPU0C_LPRS
CPU0T_LPRS
VDDCPUPLL_3.3
CK_PWRGD#/PD
FSLC
GNDREF
PIN NAME
TYPE
PWR Ground for SRC clocks
PWR Power supply for SRC outputs. VDD_IO = 1.05 to 3.3V +/-5%.
PWR 3.3V Power supply for 3.3V core
PWR Power supply for CPU outputs. VDD_IO = 1.05 to 3.3V +/-5%.
PWR Ground Pin for CPU Outputs
PWR 3.3V Power Supply for CPU PLL.
PWR Ground pin for crystal oscillator circuit and REF output
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
Clock request input for SRC output pair 0. See the SRC, LCD, DOT Power Management Table for
details
Complement side of low-power CK505-type SRC0 differential clock. Rs is integrated (No external
series resistor required).
True side of low-power CK505-type SRC0 differential clock. Rs is integrated (No external series
resistor required).
Complement side of low-power CK505-type SRC1 differential clock. Rs is integrated (No external
series resistor required).
True side of low-power CK505-type SRC1 differential clock. Rs is integrated (No external series
resistor required).
Complement side of low-power CK505-type SRC2 differential clock. Rs is integrated (No external
series resistor required).
True side of low-power CK505-type SRC2 differential clock. Rs is integrated (No external series
resistor required).
Complement side of low-power CK505-type SRC3 differential clock. Rs is integrated (No external
series resistor required).
True side of low-power CK505-type SRC3 differential clock. Rs is integrated (No external series
resistor required).
Clock request input for SRC output pair 2. See the SRC, LCD, DOT Power Management Table for
details
Clock request input for SRC output pair 2. See the SRC, LCD, DOT Power Management Table for
details
Low threshold Frequency Select input. See Table 1: CPU Frequency Select Table and the Vih_fs and
Vil_fs specifications.
Stops all CPU clocks except those set to be free running.
Complement side of low-power CK505-type CPUITP differential clock. Rs is integrated (No external
series resistor required). Note that this pin is NOT muxed with an SRC output.
True side of low-power CK505-type CPUITP differential clock. Rs is integrated (No external series
resistor required).
Complement side of low-power CK505-type CPU1 differential clock. Rs is integrated (No external
series resistor required). Note that this pin is NOT muxed with an SRC output.
True side of low-power CK505-type CPU1 differential clock. Rs is integrated (No external series
resistor required).
Complement side of low-power CK505-type CPU1 differential clock. Rs is integrated (No external
series resistor required). Note that this pin is NOT muxed with an SRC output.
True side of low-power CK505-type CPU1 differential clock. Rs is integrated (No external series
resistor required).
Notifies 9UMS9001 to sample latched inputs or enter power down mode.
1 = Power down mode
Falling Edge = Sample latched inputs
0 = Normal operation
Low threshold Frequency Select input. See Table 1: CPU Frequency Select Table and the Vih_fs and
Vil_fs specifications.
3
DESCRIPTION
Advance Information
1247B—07/19/10