參數(shù)資料
型號(hào): AT43USB351M-AC
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: Full-speed/Low-speed USB Microcontroller with ADC and PWM
中文描述: 8-BIT, MROM, 24 MHz, RISC MICROCONTROLLER, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASTIC, MS-026BBC, LQFP-48
文件頁數(shù): 92/101頁
文件大小: 624K
代理商: AT43USB351M-AC
92
AT43USB351M
3302E–USB–7/04
Figure 26.
Low-speed Load
Note:
1. With 6.000 MHz, 100 ppm crystal.
TxD+
TxD-
R
S
R
S
C
L
C
L
C
L
= 200 pF to 600 pF
3.6V
1.5 K Ohm
Table 37.
USB Timings, Full-speed Operation
Symbol
Parameter
Condition
Min
Max
Unit
TDRATE
Full Speed Data Rate
(1)
Average Bit Rate
11.97
12.03
Mb/s
TFRAME
Frame Interval
(1)
0.9995
1.0005
ms
TRFI
Consecutive Frame Interval Jitter
(1)
No clock adjustment
42
ns
TRFIADJ
Consecutive Frame Interval Jitter
(1)
With clock adjustment
126
ns
TDJ1
TDJ2
Source Diff Driver Jitter
To Next Transition
For Paired Transitions
-3.5
-4
3.5
4
ns
TFDEOP
Source Jitter for Differential Transition to
SEO Transitions
-2
5
ns
TJR1
TJR2
Receiver Data Jitter Tolerance
To Next Transition
For Paired Transitions
-18.5
-9
18.5
9
ns
TFEOPT
Source SEO interval of EOP
160
175
ns
TFEOPR
Receiver SEO interval of EOP
82
ns
TFST
Width of SEO interval during differential
transition
14
ns
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