參數(shù)資料
型號(hào)： UPD31172F1-48-FN
廠商： NEC Corp.
英文描述： VRC4172TM COMPANION CHIP FOR VR4121TM
中文描述： VRC4172TM伴侶芯片VR4121TM
文件頁(yè)數(shù)： 9/44頁(yè)
文件大?。?/td> 278K
代理商： UPD31172F1-48-FN
Data Sheet U14388EJ2V0DS00
9
μ
PD31172
(2) USB Interface Signals
Signal Name
I/O
Function
DP (1:2)
I/O
This is the positive data signal.
DN (1:2)
I/O
This is the negative data signal.
PPON (1:2)
Output
This is the USB route-hub-port power supply control signal.
OCI (1:2)
Input
This is the USB route-hub-port over-current status signal. Make this signal active when the
current flowing through the Vbus line of the USB exceeds the reference value.
IEN
Input
This is the USB buffer input enable signal. Make this signal active when the input signal to the
USB port is validated.
WAKE
Output
This is a wakeup interrupt request signal.
SMI#
Output
This is a system interrupt request signal.
USBRST#
Input
This is the reset signal for the USB clock.
(3)
IEEE1284 Interface Signals
Signal Name
I/O
Function
CD (0:7)
I/O
These are data signals
STROBE#
I/O
This is the data strobe signal.
ACK#
I/O
This is the acknowledge signal.
BUSY
I/O
This is the busy signal.
PE
I/O
This is the paper-end signal.
SELECT
I/O
This is the select signal.
AUTOFEED#
I/O
This is the autofeed signal.
SLECTIN#
I/O
This is the select input signal.
ERROR#
I/O
This is the fault signal.
INIT#
I/O
This is the initialization signal.
DIR1284
Output
This signal outputs the transfer direction status.
(4)
RS-232-C Interface Signals
Signal Name
I/O
Function
RXD
Input
This is the receive data signal.
CTS#
Input
This is the transmit enable signal.
DSR#
Input
This is the data set ready signal.
TXD
Output
This is the transmit data signal.
RTS#
Output
This is the transmit request signal.
DTR#
Output
This is the terminal equipment ready signal.
DCD#
Input
This is the carrier detection signal.
RI#
Input
This is the call display signal.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD31173 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VRC4173(TM) User＇s Manual | User＇s Manual[02/2002]
UPD31173F1-33-HN1 制造商:Renesas Electronics Corporation 功能描述:
UPD31173F1-33-HN1-A 制造商:Renesas Electronics Corporation 功能描述:
UPD3140GS-E1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer
UPD3140GS-E2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial-Input Frequency Synthesizer
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