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參數(shù)資料
型號: MPC8572CLVTAULD
廠商: Freescale Semiconductor
文件頁數(shù): 89/138頁
文件大小: 0K
描述: MPU POWERQUICC III 1023-PBGA
標準包裝: 1
系列: MPC85xx
處理器類型: 32-位 MPC85xx PowerQUICC III
速度: 1.333GHz
電壓: 1.1V
安裝類型: 表面貼裝
封裝/外殼: 1023-BBGA,F(xiàn)CBGA
供應(yīng)商設(shè)備封裝: 1023-FCPBGA(33x33)
包裝: 托盤
MPC8572E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 5
54
Freescale Semiconductor
Local Bus Controller (eLBC)
Table 48 provides the DC electrical characteristics for the local bus interface operating at BVDD = 1.8 V
DC.
10.2
Local Bus AC Electrical Specifications
Table 49 describes the general timing parameters of the local bus interface at BVDD = 3.3 V DC.
Table 48. Local Bus DC Electrical Characteristics (1.8 V DC)
Parameter
Symbol
Min
Max
Unit
Supply voltage 1.8V
BVDD
1.71
1.89
V
High-level input voltage
VIH
0.65 x BVDD
BVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.35 x BVDD
V
Input current
(BVIN
1 = 0 V or BV
IN = BVDD)
IIN
TBD
μA
High-level output voltage
(IOH = –100 μA)
VOH
BVDD – 0.2
V
High-level output voltage
(IOH = –2 mA)
VOH
BVDD – 0.45
V
Low-level output voltage
(IOL = 100 μA)
VOL
—0.2
V
Low-level output voltage
(IOL = 2 mA)
VOL
—0.45
V
Note:
1. The symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1.
Table 49. Local Bus General Timing Parameters (BVDD = 3.3 V DC)—PLL Enabled
At recommended operating conditions with BVDD of 3.3 V ± 5%.
Parameter
Symbol 1
Min
Max
Unit
Notes
Local bus cycle time
tLBK
6.67
12
ns
2
Local bus duty cycle
tLBKH/tLBK
43
57
%
LCLK[n] skew to LCLK[m] or LSYNC_OUT
tLBKSKEW
150
ps
7,8
Input setup to local bus clock (except LGTA/LUPWAIT)
tLBIVKH1
1.8
ns
3, 4
LGTA/LUPWAIT input setup to local bus clock
tLBIVKH2
1.7
ns
3, 4
Input hold from local bus clock (except LGTA/LUPWAIT)
tLBIXKH1
1.0
ns
3, 4
LGTA/LUPWAIT input hold from local bus clock
tLBIXKH2
1.0
ns
3, 4
LALE output negation to high impedance for LAD/LDP
(LATCH hold time)
tLBOTOT
1.5
ns
6
Local bus clock to output valid (except LAD/LDP and LALE)
tLBKHOV1
—2.3
ns
Local bus clock to data valid for LAD/LDP
tLBKHOV2
—2.4
ns
3
Local bus clock to address valid for LAD
tLBKHOV3
—2.3
ns
3
Local bus clock to LALE assertion
tLBKHOV4
—2.3
ns
3
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