參數(shù)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(jī)控制器(的USB主控制器)
文件頁數(shù): 77/95頁
文件大小: 423K
代理商: ΜPD9210FGC-7EA
77
CHAPTER 6 ELECTRICAL CHARACTERISTICS
6.1 Buffer List
5 V schmitt buffer
RST, SCLK, AT, LEGC
5 V I
OL
= 12 mA N-ch Open Drain buffer
SMI
5 V input buffer
RCVBE
5 V excessive through current prevention buffer
OCI (2:1), IRI1, IRI2
5 V I
OL
= 6 mA Output buffer
PPON (2:1), WAKE
5 V I
OL
= 6 mA N-ch Open Drain buffer
IRO1, IRO2, A20S
5 V PCI interface (3-V PCI interface with 5-V maximum voltage circuit)
AD (31:00), CBE (3:0), PAR, FRAME, IRDY, TRDY, STOP, IDSEL, DEVSEL, REQ, GNT, PERR, SERR, INTA,
PCLK, CRUN
USB interface
DP (2:1), DN (2:1)
Above, “5 V” refers to a 3-V buffer that is 5-V tolerant (has 5-V maximum voltage). Therefore, it is possible to
have a 5-V connection for an external bus, but the output level will be only up to 3 V, which is the V
DD
voltage.
Similarly, “5 V PCI” above refers to a PCI buffer that has a 5-V maximum voltage circuit which meets the 3-V PCI
standard; it does not refer to a PCI buffer that meets the 5-V PCI standard.
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