參數(shù)資料
型號: AMDOPTERON
英文描述: AMD Opteron - AMD Opteron Processor Data Sheet
中文描述: AMD Opteron處理器- AMD Opteron處理器的數(shù)據(jù)資料
文件頁數(shù): 71/81頁
文件大?。?/td> 1189K
代理商: AMDOPTERON
Chapter 7
Electrical Data
71
23932 Rev 3.00 April 2003
AMD Opteron
Processor Data Sheet
7.4.3
Reference Information
Notes:
1. CLKIN_H/L inputs have DC voltage BIAS generating circuits on the inputs. These consist of both a ~250-ohm pullup
resistor to VTT on each input and a ~250-ohm series input resistor.
2. Refer to Table 6 on page 43 for definitions in pin Type column.
3. Systems that do not require use of these pins can rely on the internal termination to pull the signals to the proper
inactive state. When these pins are used they must not be driven with open-drain outputs or additional termination is
required.
Table 29. Internal Termination for Miscellaneous Pins Interface
Pin
Type
2
Internal Termination
Value
Tolerance
CLKIN_H/L
I-IOD
None
1
FBCLKOUT_H/L
O-IOD
80-ohm differential termination
±50%
RESET_L
I-IOS
None
PWROK
I-IOS
None
VID[4:0]
O-IOS
None
LDTSTOP_L
I-IOS
None
THERMDA
A
None
THERMDC
A
None
THERMTRIP_L
O-IO-OD
None
COREFB_H/L
A
None
TCK
I-IOS
Pullup to VDDIO
533 ohms
±50%
TMS
I-IOS
Pullup to VDDIO
533 ohms
±50%
TRST_L
I-IOS
Pullup to VDDIO
533 ohms
±50%
TDI
I-IOS
Pullup to VDDIO
533 ohms
±50%
TDO
O-IOS
None
DBREQ_L
I-IOS
Pullup to VDDIO
533 ohms
±
50%
DBRDY
O-IOS
None
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