參數(shù)資料
型號: C9658
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: MICROCONTROLLER
中文描述: 單片機
文件頁數(shù): 17/27頁
文件大小: 230K
代理商: C9658
ELECTRICAL DATA
S3C9654/C9658/P9658
15-8
Table 15-9. Low Speed Source Electrical Characteristics (USB)
(T
A
= 0
°
C to + 85
°
C, Internal Voltage Regulator Output V
33OUT
= 2.8 V to 3.6 V, typ 3.3 V)
Parameter
Symbol
Transition Time:
Rise Time
Tr
Conditions
Min
Max
Unit
CL = 200 pF
CL = 650 pF
CL = 200 pF
CL = 650 pF
(Tr/Tf) CL = 50 pF
CL = 50 pF
V
DD
= 4.0 – 5.25 V
75
75
80
1.3
2.8
ns
300
300
125
2.0
3.6
Fall Time
Tf
Rise/Fall Time Matching
Output Signal Crossover Voltage
Internal Voltage Regulator Output
Voltage
Trfm
Vcrs
V
33OUT
%
V
V
R1 = 15 K
R2 = 1.5 K
CL = 200 pF - 650 pF
DM: S/W ON
DP: S/W OFF
D. U. T
Test
Point
S/W
V
33OUT
R2
R1
C2
90 %
Measurement
Points
10 %
90 %
10 %
Tr
Tf
D-/D+
Figure 15-4. USB Data Signal Rise and Fall Time
DM
DP
V
CRS
MAX: 2.0 V
MIN: 1.3 V
3.3 V
0 V
Figure 15-5. USB Output Signal Crossover Point Voltage
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