cy28325-3 Cypress Semiconductor Corporation., cy28325-3 Datasheet - Page 7

• Manufacturer Part Number: cy28325-3
• Description: Ftg For Via Pentium 4 Chipsets
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07590 Rev. *.*
Data Byte Configuration Map
Data Byte 0
Data Byte 1
Data Byte 2
Data Byte 3
Bit
Bit
Bit
Bit
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
7
6
5
4
3
2
1
0
Pin#
42, 41
35, 34
40, 39
Pin#
Pin#
Pin#
21
19
18
17
15
14
12
11
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Reserved
SEL2
SEL1
SEL0
FS_Override
SEL4
SEL3
Reserved
PCI8
PCI7
PCI6
PCI5
PCI4
PCI3
PCI2
PCI1
Reserved
Reserved
Spread Select2
Spread Select1
Spread Select0
CPUT_CS, CPUC_CS (Active/Inactive)
CPUT_1, CPUC_1
CPUT_0, CPUC_0
CPU_CS_F STOP
Control
Name
Name
Name
Name
Reserved
SW Frequency selection bits. Refer to Frequency Selection Table
SW Frequency selection bits. Refer to Frequency Selection Table
SW Frequency selection bits. Refer to Frequency Selection Table
0 = Select operating frequency by FS[4:0] input pins
1 = Select operating frequency by SEL[4:0] settings
SW Frequency selection bits. Refer to Frequency Selection Table
SW Frequency selection bits. Refer to Frequency Selection Table
Reserved
Reserved
“000” = OFF
“001” = Reserved
“010” = Reserved
‘011” = Reserved
“100“ = ± 0.25%
“101“ = – 0.5%
“110“= ±0.5%
“111“ = ±0.38%
(Active/Inactive)
(Active/Inactive)
1 = CPUT_CS_F and CPUC_CS_F are Free-running outputs
0 = CPUT_CS_F and CPUC_CS_F will be disabled when
CPU_STOP# is active
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
1 = Enabled, 0 = Disabled
Reserved
Description
Description
Pin Description
Pin Description
CY28325-3
Page 7 of 19
Power-on
Power-on
Power-on
Power-on
Default
Default
Default
Default
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
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