參數(shù)資料
型號: MPC8349EZUAJF
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 533 MHz, RISC PROCESSOR, PBGA672
封裝: 35 X 35 MM, 1.50 MM HEIGHT, 1 MM PITCH, TBGA-672
文件頁數(shù): 47/115頁
文件大小: 1228K
代理商: MPC8349EZUAJF
MPC8349E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
37
Local Bus
9
Local Bus
This section describes the DC and AC electrical specifications for the local bus interface of the
MPC8349E.
9.1
Local Bus DC Electrical Characteristics
Table 30 provides the DC electrical characteristics for the local bus interface.
Table 30. Local Bus DC Electrical Characteristics
9.2
Local Bus AC Electrical Specification
Table 31 and Table 32 describe the general timing parameters of the local bus interface of the MPC8349E.
Parameter
Symbol
Min
Max
Unit
High-level input voltage
VIH
2OVDD + 0.3
V
Low-level input voltage
VIL
–0.3
0.8
V
Input current
IIN
—±5
A
High-level output voltage,
IOH = –100 A
VOH
OVDD – 0.2
V
Low-level output voltage,
IOL = 100 A
VOL
—0.2
V
Table 31. Local Bus General Timing Parameters—DLL on
Parameter
Symbol 1
Min
Max
Unit
Notes
Local bus cycle time
tLBK
7.5
ns
2
Input setup to local bus clock
(except LUPWAIT)
tLBIVKH1
1.5
ns
3, 4
LUPWAIT input setup to local bus
clock
tLBIVKH2
1.7
ns
3, 4
Input hold from local bus clock
(except LUPWAIT)
tLBIXKH1
1.0
ns
3, 4
LUPWAIT Input hold from local bus
clock
tLBIXKH2
1.0
ns
3, 4
LALE output fall to LAD output
transition (LATCH hold time)
tLBOTOT1
1.5
ns
5
LALE output fall to LAD output
transition (LATCH hold time)
tLBOTOT2
3—
ns
6
LALE output fall to LAD output
transition (LATCH hold time)
tLBOTOT3
2.5
ns
7
Local bus clock to LALE rise
tLBKHLR
—4.5
ns
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