參數資料
型號: MPC8544CVTARFB
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 1067 MHz, RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-783
文件頁數: 61/120頁
文件大?。?/td> 1321K
代理商: MPC8544CVTARFB
MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
45
Local Bus
10 Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8544E.
10.1
Local Bus DC Electrical Characteristics
Table 42 provides the DC electrical characteristics for the local bus interface operating at
BVDD =3.3 VDC.
Table 43 provides the DC electrical characteristics for the local bus interface operating at
BVDD =2.5 VDC.
Table 44 provides the DC electrical characteristics for the local bus interface operating at
BVDD =1.8 VDC.
Table 42. Local Bus DC Electrical Characteristics (3.3 V DC)
Parameter
Symbol
Min
Max
Unit
Notes
High-level input voltage
VIH
2BVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.8
V
Input current (BVIN = 0 V or BVIN = BOVDD)IIN
—±5
μA1
High-level output voltage (BVDD = min, IOH = –2 mA)
VOH
2.4
V
Low-level output voltage (BVDD = min, IOL = 2 mA)
VOL
—0.4
V
Note:
1. The symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1 and Table 2.
Table 43. Local Bus DC Electrical Characteristics (2.5 V DC)
Parameter
Symbol
Min
Max
Unit
Notes
High-level input voltage
VIH
1.70
BVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.7
V
Input current (BVIN = 0 V or BVIN = BVDD)IIN
±15
μA1
High-level output voltage (BVDD = min, IOH = –1 mA)
VOH
2.0
V
Low-level output voltage (BVDD = min, IOL = 1 mA)
VOL
—0.4
V
Note:
1. The symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1 and Table 2.
Table 44. Local Bus DC Electrical Characteristics (1.8 V DC)
Parameter
Symbol
Min
Max
Unit
Notes
High-level input voltage
VIH
1.3
BVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.6
V
Input current (BVIN = 0 V or BVIN = BVDD)IIN
—±15
μA1
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