W233 Cypress Semiconductor Corp., W233 Datasheet - Page 3

• Manufacturer Part Number: W233
• Description: Spread Spectrum FTG For Via Mobile K7 Chipset
• Manufacturer: Cypress Semiconductor Corp.

Pin Definitions
Document #: 38-07250 Rev. **
PCI_STOP#
CPU_STOP#
VDD_REF,
VDD_PCI,
VDD_CORE,
VDD_48MHz,
VDD_SDRAM,
VDD_CPU
GND_PCI,
GND_CORE,
GND_48MHz,
GND_SDRAM,
GND_CPU,
GND_REF
Pin Name
24, 30, 35, 43
31, 34, 44, 45
7, 13, 20, 21,
(continued)
1, 6, 14, 19,
Pin No.
17
39
Pin Type
PRELIMINARY
G
P
I
I
PCI Stop Input: LVTTL compatible input that disables the PCI output clocks,
except PCI_F.
CPU Stop Input: LVTTL compatible input that disables the CPU output clocks,
except CPUT0_F and CPUC0_F.
Power Connection: Power supply for core logic, PLL circuitry, SDRAM out-
puts, PCI outputs, reference outputs, 48-MHz output, and 24_48-MHz output.
Connect to 3.3V supply
Ground Connections: Connect all ground pins to the common system ground
plane.
Pin Description
Page 3 of 16
W233