參數(shù)資料
型號(hào)： BXM80526B550128
英文描述： Microprocessor
中文描述： 微處理器
文件頁(yè)數(shù)： 74/81頁(yè)
文件大?。?/td> 598K
代理商： BXM80526B550128
Mobile Intel
Celeron Processor (0.18μ) in BGA2 and Micro-PGA2 Packages
Datasheet
Order Number#249563-001
74
TESTP (Analog)
The TESTP (Test Point) signals are connected to V
cc
and V
ss
at opposite ends of the die. These
signals can be used to monitor the Vcc level on the die. Route the TESTP signals to test points or
leave them unconnected. Do not short the TESTP signals together.
THERMDA, THERMDC (Analog)
The THERMDA (Thermal Diode Anode) and THERMDC (Thermal Diode Cathode) signals
connect to the anode and cathode of the on-die thermal diode.
TMS (I - 1.5V Tolerant)
The TMS (Test Mode Select) signal is a JTAG support signal used by debug tools.
TRDY# (I - GTL+)
The TRDY# (Target Ready) signal is asserted by the target to indicate that the target is ready to
receive write or implicit write-back data transfer. TRDY# must be connected to the appropriate
pins/balls on both agents on the system bus.
TRST# (I - 1.5V Tolerant)
The TRST# (Test Reset) signal resets the Test Access Port (TAP) logic. The mobile
processors do
not self-reset during power on; therefore, it is necessary to drive this signal low during power-on
reset.
VID[4:0] (O – Open-drain)
The VID[4:0] (Voltage ID) pins/balls can be used to support automatic selection of power supply
voltages. These pins/balls are not signals, they are either an open circuit or a short to V
SS
on the
processor substrate. The combination of opens and shorts encodes the voltage required by the
processor. External to pull-ups are required to sense the encoded VID. VID[4:0] are needed to
cleanly support voltage specification changes on mobile Intel Celeron processors. The voltage
encoded by VID[4:0] is defined in Table 36. A “1” in this table refers to an open pin/ball and a “0”
refers to a short to V
SS
. The power supply must provide the requested voltage or disable itself.
Please note that in order to implement VID on the BGA2 package, some VID[4:0] balls may be
depopulated. For the BGA2 package, a “1” in Table 36 implies that the corresponding VID ball is
depopulated, while a “0” implies that the corresponding VID ball is not depopulated.
But on the Micro-PGA2 package, VID[4:0] pins are not depopulated.
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