參數(shù)資料
型號: MPC755BPX300LX
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 300 MHz, RISC PROCESSOR, PBGA360
封裝: 25 X 25 MM, 2.77 MM HEIGHT, 1.27 MM PITCH, PLASTIC, BGA-360
文件頁數(shù): 46/48頁
文件大小: 1265K
代理商: MPC755BPX300LX
MPC755 RISC Microprocessor Hardware Specifications
7
Electrical and Thermal Characteristics
Figure 2. Overshoot/Undershoot Voltage
The MPC755 provides several I/O voltages to support both compatibility with existing systems and
migration to future systems. The MPC755 core voltage must always be provided at nominal 2.0 V (see
Table 3 for actual recommended core voltage). Voltage to the L2 I/Os and Processor Interface I/Os are
provided through separate sets of supply pins and may be provided at the voltages shown in Table 2. The
input voltage threshold for each bus is selected by sampling the state of the voltage select pins BVSEL and
L2VSEL during operation. These signals must remain stable during part operation and cannot change. The
output voltage will swing from GND to the maximum voltage applied to the OVdd or L2OVdd power pins.
Table 2 describes the input threshold voltage setting.
Table 3 provides the recommended operating conditions for the MPC755.
Table 2. Input Threshold Voltage Setting
Part
Revision
BVSEL Signal
L2VSEL Signal
Processor Bus Interface
Voltage
L2 Bus
Interface Voltage
E
0
Not Available
0
1
Not Available
2.5 V / 3.3 V
1
0
2.5 V / 3.3 V
Not Available
1
2.5 V / 3.3 V
Caution: The input threshold selection must agree with the OVdd/L2OVdd voltages supplied.
Note: The input threshold settings above are different for all revisions prior to Rev 2.8 (Rev E). For more
information, contact your local Motorola sales office.
VIH
GND
GND – 0.3 V
GND – 0.7 V
Not to Exceed 10%
(L2)OVdd + 20%
VIL
(L2)OVdd
(L2)OVdd + 5%
of tSYSCLK
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