參數(shù)資料
型號: DS229N
廠商: DALLAS SEMICONDUCTOR
元件分類: Line Driver or Receiver
英文描述: LINE TRANSCEIVER, PDIP20
封裝: DIP-20
文件頁數(shù): 6/29頁
文件大?。?/td> 1710K
代理商: DS229N
MAX14640–MAX14644/MAX14651
USB Host Adapter Emulators
14
Maxim Integrated
Auto Peripheral Reset
The MAX14641–MAX14644 feature an auto current-
limit switch control output. This feature resets the
peripheral connected to VBUS in the event the USB
host switches to or from standby mode. CEN or CEN
are pulsed for 1s (typ) on the rising or falling edge of
CB0 or CB1 (Figure 5 and Figure 6.).
Pass-Through Mode
If the MAX14640–MAX14644/MAX14651 are configured
in pass-through mode (PM), then TDP/TDM are always
connected to DP/DM and no resistor-dividers or power
sources are applied to DP/DM.
Figure 5. MAX14644 Peripheral Reset Applications Diagram
MAX14644
USB
TRANSCEIVER
CURRENT-LIMIT
SWITCH
PM/AM
SYSTEM CONTROL
CM/FM
CB1
CB0
+5V POWER
SUPPLY
VCC
TDM
TDP
TDM
TDP
0.1F
150F
GND
USB
CONNECTION
D+
DP
GND
VCC
D-
VBUS
DM
EN
PS EN
CEN
1k
10k
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