參數(shù)資料
型號: RH80532NC029256
元件分類: 微處理器
英文描述: Microprocessor
中文描述: 微處理器
文件頁數(shù): 34/93頁
文件大?。?/td> 2353K
代理商: RH80532NC029256
Mobile Intel
Pentium
4 Processor-M
34
Datasheet
250686-002
for the AGTL+ signal group traces is known and well-controlled. For more details on platform
design see the
Mobile Intel
Pentium
4 Processor-M and Intel
845MP/845MZ Chipset Platform
Design Guide.
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The tolerances for this specification have been stated generically to enable the system designer to calculate
the minimum and maximum values across the range of V
CC
.
3. GTLREF should be generated from V
CC
by a voltage divider of 1% tolerance resistors or 1% tolerance
matched resistors. Refer to the
Mobile Intel
Pentium
4 Processor-M and Intel
845MP/845MZ Platform
Design Guide
for implementation details.
4. R
TT
is the on-die termination resistance measured at V
OL
of the AGTL+ output driver. Refer to processor I/O
buffer models for I/V characteristics.
5. COMP resistance must be provided on the system board with 1% tolerance resistors. See the
Mobile Intel
Pentium
4 Processor-M and Intel
845MP/845MZ Platform Design Guide
for implementation details.
6. The V
CC
referred to in these specifications is the instantaneous V
CC
.
2.13
System Bus AC Specifications
The processor system bus timings specified in this section are defined at the processor core
(pads)
. See
Section 5.2
for the Mobile Intel Pentium 4 Processor-M pin signal definitions.
Table 18
through
Table 25
lists the AC specifications associated with the processor system bus.
All AGTL+ timings are referenced to GTLREF for both “0” and “1” logic levels unless otherwise
specified.
The timings specified in this section should be used in conjunction with the I/O buffer models
provided by Intel. These I/O buffer models, which include package information, are available for
the Mobile Intel Pentium 4 Processor-M in IBIS format. AGTL+ layout guidelines are also
available in the
Mobile Intel
Pentium
4 Processor-M and Intel
845MP/845MZ Chipset
Platform Design Guide
.
Unless specified otherwise, all Mobile Intel Pentium 4 Processor-M AC specifications are at T
J
=
100
°
C. Care should be taken to read all notes associated with a particular timing parameter.
Table 17. AGTL+ Bus Voltage Definitions
Symbol
Parameter
Min
Typ
Max
Units
Notes
1
GTLREF
Bus Reference
Voltage
2/3 V
CC
-2%
2/3 V
CC
2/3 V
CC
+2%
V
2, 3, 6
R
TT
Termination
Resistance
45
50
55
4
COMP[1:0]
COMP
Resistance
50.49
51
51.51
5
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