参数资料
型号: MPC7450RX600LX
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 600 MHz, RISC PROCESSOR, CBGA483
封装: 29 X 29 MM, 3.22 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-483
文件页数: 5/60页
文件大小: 1296K
代理商: MPC7450RX600LX
MPC7450 RISC Microprocessor Hardware Specifications
13
Electrical and Thermal Characteristics
Table 3. Input Threshold Voltage Setting
BVSEL Signal
Processor Bus Input
Threshold is Relative to:
L3VSEL Signal
L3 Bus Input Threshold is
Relative to:
Notes
0
1.8 V
0
1.8 V
1, 4
HRESET
Not Available
HRESET
1.5 V
1, 3
HRESET
2.5 V
HRESET
2.5 V
1, 2
1
2.5 V
1
2.5 V
1
Notes:
1. Caution: The input threshold selection must agree with the OVDD/GVDD voltages supplied. See notes in Table 2.
2. To select the 2.5-V threshold option for the processor bus, BVSEL should be tied to HRESET so that the two
signals change state together. Similarly, to select 2.5 V for the L3 bus, tie L3VSEL to HRESET. This is the
preferred method for selecting this mode of operation.
3. Applicable to L3 bus interface only. HRESET is the inverse of HRESET.
4. If used, pulldown resistors should be less than 250
.
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