參數(shù)資料
型號(hào): μPD9210FGC-7EA
廠商: NEC Corp.
英文描述: USB Host Controller(USB主控制器)
中文描述: USB主機(jī)控制器(的USB主控制器)
文件頁(yè)數(shù): 24/95頁(yè)
文件大?。?/td> 423K
代理商: ΜPD9210FGC-7EA
CHAPTER 2 PIN FUNCTIONS
24
System interface
Pin
Pin No.
Direction
Function
SMI
70
O
System management interrupt output
Changed to INTA by ownership change before being
output.
0: Interrupt occurs
1: Interrupt does not occur
RCVBE
73
I
USB Receiver/Input Buffer Enable signal
0: Excessive through current prevention/differential
buffer operating current cut-off function ON
1: Excessive through current prevention/differential
buffer operating current cut-off function OFF
The pins being controlled are as follows.
DP (2 : 1), DN (2 : 1), OCI (2 : 1), IRI1, IRI2
WAKE
68
O
Wakeup request signal is output from the USB.
0: No Wakeup request
1: Wakeup request exists
USB interface
Pin
Pin No.
Direction
Function
DP (2 : 1)
52, 56
I/O
USB’s D+ signal
Shared with DNx pins having the same numbers.
DN (2 : 1)
53, 57
I/O
USB’s D
signal
Shared with DPx pins having the same numbers.
OCI (2 : 1)
54, 58
I
Pin for inputting the overcurrent status of the USB Root
Hub Port
0: No power supply problem
1: Overcurrent has occurred
PPON (2 : 1)
55, 59
O
Power supply control output for USB Root Hub Port
0: Power supply OFF
1: Power supply ON
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