參數資料
型號: μPD9210FGC-7EA
廠商: NEC Corp.
英文描述: USB Host Controller(USB主控制器)
中文描述: USB主機控制器(的USB主控制器)
文件頁數: 21/95頁
文件大小: 423K
代理商: ΜPD9210FGC-7EA
21
CHAPTER 2 PIN FUNCTIONS
2.1 Pin Table
Table 2-1. Pin Table
Pin Name
I/O
Buffer Type
Active Level
Function
AD (31 : 0)
I/O
5 V PCI I/O
PCI “AD [31 : 0]” signal
CBE (3 : 0)
I/O
5 V PCI I/O
PCI “C/BE [3 : 0]” signal
PAR
I/O
5 V PCI I/O
PCI “PAR” signal
FRAME
I/O
5 V PCI I/O
PCI “FRAME#” signal
IRDY
I/O
5 V PCI I/O
PCI “IRDY#” signal
TRDY
I/O
5 V PCI I/O
PCI “TRDY#” signal
STOP
I/O
5 V PCI I/O
PCI “STOP#” signal
IDSEL
I
5 V PCI Input
PCI “IDSEL” signal
DEVSEL
I/O
5 V PCI I/O
PCI “DEVSEL#” signal
REQ
O
5 V PCI Output
PCI “REQ#” signal
GNT
I
5 V PCI Input
PCI “GNT#” signal
PERR
I/O
5 V PCI I/O
PCI “PERR#” signal
SERR
O
5 V PCI N-ch Open Drain
PCI “SERR#” signal
INTA
O
5 V PCI N-ch Open Drain
Low
PCI “INTA#” signal
PCLK
I
5 V PCI Input
PCI “CLK” signal
RST
I
5 V Schmitt Input
Low
PCI “RST#” signal
CRUN
I/O
5 V PCI I/O (N-ch Open Drain)
PCI “CLKRUN#” signal
SCLK
I
5 V Schmitt Input
System clock input
SMI
O
5 V I
OL
= 12 mA N-ch Open Drain
Low
System management interrupt output
DP (2 : 1)
I/O
USB D+I/O
USB’s D+ signal
DN (2 : 1)
I/O
USB D
I/O
USB’s D
signal
OCI (2 : 1)
I (I/O)
5 V Input with excessive through
current prevention function
High
USB Root Hub Port’s overcurrent status input
PPON (2 : 1)
O
5 V I
OL
= 6 mA Output
High
USB Root Hub Port’s power supply control
output
RCVBE
I
5 V Input
High
USB Receiver and Input Buffer Enable signal
AT
I (I/O)
5 V Schmitt Input
High
Legacy support switch
LEGC
I (I/O)
5 V Schmitt Input
High
Legacy support switch
IRI1
I (I/O)
5 V Input with excessive through
current prevention function
High
INT input from keyboard
IRI2
I (I/O)
5 V Input with excessive through
current prevention function
High
INT input from mouse
IRO1
O
5 V I
OL
= 6 mA N-ch Open Drain
High
INT output from keyboard
IRO2
O (I/O)
5 V I
OL
= 6 mA N-ch Open Drain
High
INT output from mouse
A20S
O (I/O)
5 V I
OL
= 6 mA N-ch Open Drain
GateA20 State output
WAKE
O
5 V I
OL
= 6 mA Output
High
Wakeup interrupt output
TEST (3 : 1)
I
3 V Input with 50 k
Pull up R
3 V I/O with 50 k
Pull up R
Test pin
TMN (7 : 1)
I/O
Test pin
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