參數(shù)資料
型號: MB91F312APFV-1XX-BND-E1
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 40.54 MHz, RISC MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-144
文件頁數(shù): 44/68頁
文件大小: 14737K
代理商: MB91F312APFV-1XX-BND-E1
MB91310 Series
DS07-16505-3E
49
(6) USB interface
(Ta
= 10 °C to + 70 °C, VDDE = 3.3 V ± 0.3 V, VDDI = 2.5 V ± 0.2 V, Vss = 0 V)
*1 : The AC characteristics of the USB interface conform to the USB Specification Revision 1.1.
*2 : About driver characteristics tr, tf, and Tfrfm
These represent the rise (tr) and fall (tf) time standards of the differential data signal.
These are defined as times between 10% and 90% of the output signal voltage.
For full-speed buffer, the tr/tf ratio is specified to fall within
± 10% to minimize RFI radiation.
(Continued)
Parameter
Symbol
Pin name
Condi-
tions
Value
Unit
Remarks
Min
Typ
Max
Input clock
Fucyc
X0B, X1B
48 *1
MHz
Self-oscillation
at a precision
of 500 ppm *1
X0B
External input
at a precision
of 500 ppm *1
Rise Time
tr
UHP/UHM
UDP/UDM
Full Speed
4
20
ns
*2
UHP/UHM
Low Speed
75
300
ns
*2
Fall Time
tf
UHP/UHM
UDP/UDM
Full Speed
4
20
ns
*2
UHP/UHM
Low Speed
75
300
ns
*2
Differential Rise and
Fall Timing Matching
Tfrfm
UHP/UHM
UDP/UDM
Full Speed
90
111.11
%
*2
UHP/UHM
Low Speed
80
125
%
*2
Driver Output
Resistance
Rzdrv
UDP
UDM
28
44
*3
X0B
10%
0.8 VDDE
10%
90%
tf
tr
Fucyc
UHP
UDP
UHM
UDM
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