參數(shù)資料
型號： UPD720130GC-9EU-SIN
廠商： NEC Corp.
英文描述： USB2.0 to IDE Bridge
中文描述： USB2.0轉(zhuǎn)IDE橋
文件頁數(shù)： 5/44頁
文件大?。?/td> 316K
代理商： UPD720130GC-9EU-SIN
Data Sheet S16302EJ3V0DS
5
μ
PD720130
1.
PIN INFORMATION
(1/2)
Pin Name
I/O
Buffer Type
Active
Level
Function
XIN
I
2.5 V Input
System clock input or oscillator In
XOUT
O
2.5 V Output
Oscillator out
RESETB
I
3.3 V Schmitt Input
Low
Asynchronous reset signaling
MD(1:0)
I
3.3 V Input
Function mode setting
IDECS(1:0)B
O (I/O)
5 V tolerant Output
Low
IDE host chip select
IDEA(2:0)
O (I/O)
5 V tolerant Output
IDE address bus
IDEINT
I (I/O)
5 V tolerant Input
High
IDE interrupt request from device to host
IDEDAKB
O (I/O)
5 V tolerant Output
Low
IDE DMA acknowledge
IDEIORDY
I (I/O)
5 V tolerant Input
High
IDE IO channel ready
IDEIORB
O (I/O)
5 V tolerant Output
Low
IDE IO read strobe
IDEIOWB
O (I/O)
5 V tolerant Output
Low
IDE IO write strobe
IDEDRQ
I (I/O)
5 V tolerant Input
High
IDE DMA request from device to host
IDED(15:0)
I/O
5 V tolerant I/O
IDE data bus
IDERSTB
O (I/O)
5 V tolerant Output
Low
IDE reset from host to device
DCC
I (I/O)
3.3 V Input
IDE controller operational mode setting
DV(1:0)
I (I/O)
3.3 V Input
Device select
CLC
I (I/O)
3.3 V Input
System clock setting
PWR
I (I/O)
3.3 V Input
Bus powered /self-powered select
CMB_BSY
O (I/O)
3.3 V Output
Combo IDE bus busy
CMB_STATE
I (I/O)
3.3 V Input
Combo IDE bus state
DPC
O (I/O)
3.3 V Output
Power control signaling for IDE device
SDA
I/O
3.3 V I/O
Serial ROM data signaling
SCL
I/O
3.3 V I/O
Serial ROM clock signaling
VBUS
I
5 V Schmitt Input
Note
VBUS monitoring
DP
I/O
USB high speed D+ I/O
USB
’
s high speed D+ signal
DM
I/O
USB high speed D
I/O
USB
’
s high speed D
signal
RSDP
O
USB full speed D+ Output
USB
’
s full speed D+ signal
RSDM
O
USB full speed D
Output
USB
’
s full speed D
signal
RPU
A
USB Pull-up control
USB
’
s 1.5 k
pull-up resistor control
RREF
A
Analog
Reference resistor
SPD
I (I/O)
3.3 V Input
NEC private
SMC
I
3.3 V Input
Scan mode control
TEST(3:0)
I
3.3 V Input
Test mode setting
Note
VBUS pin may be used to monitor for VBUS line even if V
DD33
, V
DD25
, and AV
DD25
are shut off. System must
ensure that the input voltage level for VBUS pin is less than 3.0 V due to the absolute maximum rating is
not exceeded.
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