參數(shù)資料
型號(hào): W233
英文描述: Clocks and Buffers
中文描述: 時(shí)鐘和緩沖器
文件頁(yè)數(shù): 3/16頁(yè)
文件大小: 178K
代理商: W233
W233
PRELIMINARY
Document #: 38-07250 Rev. *A
Page 3 of 16
PCI_STOP#
17
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
CPU_STOP#
39
I
VDD_REF,
VDD_PCI,
VDD_CORE,
VDD_48MHz,
VDD_SDRAM,
VDD_CPU
GND_PCI,
GND_CORE,
GND_48MHz,
GND_SDRAM,
GND_CPU,
GND_REF
1, 6, 14, 19,
24, 30, 35, 43
P
7, 13, 20, 21,
31, 34, 44, 45
G
Ground Connections:
Connect all ground pins to the common system ground
plane.
Pin Definitions
(continued)
Pin Name
Pin No.
Pin Type
Pin Description
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W234 Clocks and Buffers
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