參數(shù)資料
型號： UPD720122
廠商： NEC Corp.
英文描述： MOS Integrated Circuit
中文描述： 馬鞍山集成電路
文件頁數(shù)： 9/82頁
文件大?。?/td> 650K
代理商： UPD720122
Data Sheet S16685EJ2V0DS
9
μ
PD720122
1.
PIN INFORMATION
(1/2)
Pin Name
I/O
Buffer Type
Active
Level
Function
RESETB
I
5 V tolerant Input Schmitt
Low
Asynchronous reset signaling
XIN_CLK
I
3.3 V Input
System clock input or oscillator In
XOUT
O
3.3 V Output
Oscillator out
CSB
I
5 V tolerant Input
Low
Chip select signal
INTB_ALL
O
5 V tolerant Output
Low
Interrupt request signal
ALE
I
5 V tolerant Input
High
Address strobe signal (Function2/3)
A(7:1)
I
5 V tolerant Input
Address input (Function1)
D(15:0)
I/O
5 V tolerant I/O
Data bus (I/O) (Function1)
AD(7:0)
I/O
5 V tolerant I/O
Address/data multiplexed bus (I/O) (Function2)
D0
I/O
5 V tolerant I/O
Data bus (I/O) (Function3)
AD(7:1)
I/O
5 V tolerant I/O
Address/data multiplexed bus (I/O) (Function3)
D(15:8)
I/O
5 V tolerant I/O
Data bus (I/O) (Function3)
WRB
I
5 V tolerant Input
Low
Write command input
RDB
I
5 V tolerant Input
Low
Read command input
INT0B
O
5 V tolerant Output
Low
Interrupt request (INT Status 0)
INT1B
O
5 V tolerant Output
Low
Interrupt request (INT Status 1)
INT2B
O
5 V tolerant Output
Low
Interrupt request (INT Status 2)
ACTIVE
I
5 V tolerant Input
DMA-related pins active level select(Function2/3)
SCAN(1:0)
I
3.3 V Input 50 k
Pull Down
Chip test pin.
M2
O
5 V tolerant Output
Status output pin
EP1_DRQB
O
5 V tolerant Output
Low
DMA transfer request output pin of EP1
EP1_DACKB
I
5 V tolerant Input
Low
DMA transfer enable input pin of EP1
EP1_RDB
I
5 V tolerant Input
Low
DMA Read command input pin of EP1
EP1_TCB
I
5 V tolerant Input
Low
DMA terminal count input pin of EP1
FM21
I
3.3 V Input
NEC Electronics test pin
EP2_DRQB
O
5 V tolerant Output
Low
DMA transfer request output pin of EP2
EP2_DACKB
I
5 V tolerant Input
Low
DMA transfer enable input pin of EP2
EP2_WRB
I
5 V tolerant Input
Low
DMA Write command input pin of EP2
EP2_TCB
I
5 V tolerant Input
Low
DMA terminal count input pin of EP2
LD(15:0)
I/O
5 V tolerant I/O
Data bus (I/O) pin for external local bus
BUNRI
I
5V torelant Input
NEC Electronics test pin
RREF
A
Analog
Reference resistor
RPU
A
USB pull-up control
USB’s 1.5 k
pull-up resistor control
RSDP
O
USB full speed D+ O
USB’s full speed D+ signal
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
相關(guān)PDF資料
PDF描述
UPD720122F1-DN2 MOS Integrated Circuit
UPD720122GC-9EU MOS Integrated Circuit
UPD720130GC-9EU USB2.0 to IDE Bridge
UPD720130GC-9EU-SIN USB2.0 to IDE Bridge
UPD720130 USB2.0 to IDE Bridge
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD720122GC-9EU-A 制造商:NEC Electronics Corporation 功能描述:IC CONTROLLER USB SMD TQFP100
UPD720130GC-9EU-A 制造商:NEC Electronics Corporation 功能描述:BRIDGE USB TO IDE SMD TQFP100
UPD720133GB-YEU-A 制造商:NEC Electronics Corporation 功能描述:IC BRIDGE USB TO IDE SMD TQFP64
UPD720150F1-BAE-A 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST/DEVICE CTRL, 884-P
UPD720150GK-9EU-A 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST/DEVICE CTRL, 80-PI 制造商:Renesas Electronics Corporation 功能描述:USB2.0 HOST PERIPHERAL CONTROLLER - Bulk 制造商:Renesas Electronics Corporation 功能描述:RENUPD720150GK-9EU-A USB2.0 HOST IC
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