参数资料
型号: SL28641ZXC
元件分类: 时钟产生/分配
英文描述: OTHER CLOCK GENERATOR, PDSO64
封装: 6 X 17 MM, LEAD FREE, TSSOP-64
文件页数: 2/40页
文件大小: 398K
代理商: SL28641ZXC
SL28641/
SL28641-2
PRELIMINARY
CONFIDENTIAL
Rev 1.4
Page 10 of 40
4
REF0/FSC/TEST_SEL
I/O
3.3V tolerant input for CPU frequency selection/fixed 14.318 clock output. Selects
test mode if pulled to VIHFS_C when CK_PWRGD is asserted HIGH. Refer to DC
Electrical Specifications table for VILFS_C, VIMFS_C, VIHFS_C specifications.
5
SMB_DATA
I/O
SMBus compatible SDATA.
6
SMB_CLK
I
SMBus compatible SCLOCK.
7
PCI_0/OE#_0/2_A
I/O, SE 33 MHz clock/3.3V OE# Input mappable via I2C to control either SRC 0 or
SRC 2. Default PCI0
8
VDD_PCI
PWR
3.3V Power supply for PCI PLL.
9
PCI_1/OE#_1/4_A
I/O, SE 33 MHz clock/3.3V OE# Input mappable via I2C to control either SRC 1 or
SRC 4. Default PCI1.
10
PCI_2/TME
I/O, SE 3.3V tolerance input for overclocking enable pin 33 MHz clock.
Refer to DC Electrical Specifications table for Vil_FS and Vih_FS specifications.
11
PCI_3/CFG0
I/O, SE,
PD
3.3V tolerant input for CPU frequency selection/33 MHz clock.
Refer to DC Electrical Specifications table for Vil_PCI3/CFG0 and Vih_PCI3/CFG0
specifications.
12
PCI4 / GCLK_SEL
I/O, SE 33 MHz clock output/3.3V-tolerant input for selecting graphic clock source on pin
13, 14, 17and 18
Sampled on CKPWRGD assertion
13
PCIF_0/ITP_EN
I/O, SE 3.3V LVTTL input to enable SRC8 or CPU2_ITP/33 MHz clock output. (sampled
on the CK_PWRGD assertion)
1 = CPU2_ITP, 0 = SRC8
14
VSS_PCI
GND
Ground for outputs.
15
VDD_48
PWR
3.3V Power supply for outputs and PLL.
16
USB_48/FSA
I/O
3.3V tolerant input for CPU frequency selection/fixed 48 MHz clock output. Refer
to DC Electrical Specifications table for Vil_FS and Vih_FS specifications.
17
VSS_48
GND
Ground for outputs.
18
VDD_IO
PWR
0.7V Power supply for outputs.
19
SRC0/DOT96T
O, DIF 100 MHz Differential serial reference clocks/Fixed 96 MHz clock output. Selected
via I2C default is SRC0.
20
SRC0#/DOT96#
O, DIF 100 MHz Differential serial reference clocks/Fixed 96 MHz clock output. Selected
via I2C default is SRC0.
21
VSS_IO
GND
Ground for PLL2.
22
VDD_PLL3
PWR
3.3V Power supply for PLL3
23
SRC1/LCD_100/SE1
O, DIF,
SE
100 MHz Differential serial reference clocks/100 MHz LCD video clock/SE1 clocks.
Default SRC1
24
SRC1#/LCD_100#/SE2
O, DIF,
SE
100 MHz Differential serial reference clocks/100 MHz LCD video clock/SE2 clocks.
Default SRC1
25
VSS_PLL3
GND
Ground for PLL3.
26
VDD_PLL3_IO
PWR
3.3V-1.05V power supply for PLL3
27
SRC2/SATA
O, DIF 100 MHz Differential serial reference clocks.
28
SRC2#/SATA#
O, DIF 100 MHz Differential serial reference clocks.
29
VSS_SRC
GND
Ground for outputs.
30
SRC3/OE#_0/2_B
I/O,
Dif
100-MHz Differential serial reference clocks / 3.3V OE#_0/2_B, input, mappable
via I2C to control either SRC 0 or SRC 2. Default SRC3
31
SRC3#OE#_1/4_B
I/O,
Dif
100-MHz Differential serial reference clocks / 3.3V OE#_1/4_B input, mappable
via I2C to control either SRC 1 or SRC 4. Default SRC3
Pin No.
Name
Type
Description
GCLK_SEL
Pin19
Pin20
Pin23
Pin 24
0
DOT96T DOT96C SRC1T/LCD_100T SRC1C/LCD_100C
1
SRCT0
SRCC0
27M_NSS
27M_SS
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