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ICS9LPRS365 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 64-Pin CK505 w/Fully Integrated Voltage Regulator + Integrated Series Resistor - ICS

भाग संख्या ICS9LPRS365
समारोह 64-Pin CK505 w/Fully Integrated Voltage Regulator + Integrated Series Resistor
मैन्युफैक्चरर्स ICS 
लोगो ICS लोगो 
पूर्व दर्शन
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ICS9LPRS365 pdf
Integrated
www.DataSheet4UC.ciormcuit
Systems, Inc.
Pin Description
PIN #
PIN NAME
1 PCI0/CR#_A
2 VDDPCI
3 PCI1/CR#_B
4 PCI2/TME
5 PCI3
6 PCI4/27_Select
7 PCI_F5/ITP_EN
8 GNDPCI
9 VDD48
10 USB_48MHz/FSLA
11 GND48
12 VDD96_IO
13 DOTT_96/SRCT0
14 DOTC_96/SRCC0
15 GND
16 VDD
ICS9LPRS365
Advance Information
TYPE
I/O
PWR
I/O
I/O
OUT
I/O
I/O
PWR
PWR
I/O
PWR
PWR
OUT
OUT
PWR
PWR
DESCRIPTION
3.3V PCI clock output or Clock Request control A for either SRC0 or SRC2 pair
The power-up default is PCI0 output, but this pin may also be used as a Clock Request control
of SRC pair 0 or SRC pair 2 via SMBus. Before configuring this pin as a Clock Request Pin, the
PCI output must first be disabled in byte 2, bit 0 of SMBus address space . After the PCI output
is disabled (high-Z), the pin can then be set to serve as a Clock Request pin for either SRC pair
2 or pair 0 using the CR#_A_EN bit located in byte 5 of SMBUs address space.
Byte 5, bit 7
0 = PCI0 enabled (default)
1= CR#_A enabled. Byte 5, bit 6 controls whether CR#_A controls SRC0 or SRC2 pair
Byte 5, bit 6
0 = CR#_A controls SRC0 pair (default),
1= CR#_A controls SRC2 pair
Power supply pin for the PCI outputs, 3.3V nominal
3.3V PCI clock output/Clock Request control B for either SRC1 or SRC4 pair
The power-up default is PCI1 output, but this pin may also be used as a Clock Request control
of SRC pair 1 or SRC pair 4 via SMBus. Before configuring this pin as a Clock Request Pin, the
PCI output must first be disabled in byte 2, bit 1 of SMBus address space . After the PCI output
is disabled (high-Z), the pin can then be set to serve as a Clock Request pin for either SRC pair
1 or pair 4 using the CR#_B_EN bit located in byte 5 of SMBUs address space.
Byte 5, bit 5
0 = PCI1 enabled (default)
1= CR#_B enabled. Byte 5, bit 6 controls whether CR#_B controls SRC1 or SRC4 pair
Byte 5, bit 4
0 = CR#_B controls SRC1 pair (default)
1= CR#_B controls SRC4 pair
3.3V PCI clock output / Trusted Mode Enable (TME) Latched Input. This pin is sampled on
power-up as follows
0 = Overclocking of CPU and SRC Allowed
1 = Overclocking of CPU and SRC NOT allowed
After being sampled on power-up, this pin becomes a 3.3V PCI Output
3.3V PCI clock output.
3.3V PCI clock output / 27MH mode select for pin17, 18 strap. On powerup, the logic value on
this pin determines the power-up default of DOT_96/SRC0 and 27MHz/SRC1 output and the
function talbe for the pin17 and pin18.
Free running PCI clock output and ITP/SRC8 enable strap. This output is not affected by the
state of the PCI_STOP# pin. On powerup, the state of this pin determines whether pins 38 and
39 are an ITP or SRC pair.
0 =SRC8/SRC8#
1 = ITP/ITP#
Ground for PCI clocks.
Power supply for USB clock, nominal 3.3V.
Fixed 48MHz USB clock output. 3.3V./ 3.3V tolerant input for CPU frequency selection. Refer to
input electrical characteristics for Vil_FS and Vih_FS values.
Ground pin for the 48MHz outputs.
1.05V to 3.3V from external power supply
True clock of SRC or DOT96. The power-up default function depends on 27_Select,1= SRC0
0=DOT96
True clock of SRC or DOT96. The power-up default function depends on 27_Select,1= SRC0
0=DOT96
Ground pin for the DOT96 clocks.
Power supply for SRC / SE1 and SE2 clocks, 3.3V nominal.
1218—07/11/06
2

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