參數(shù)資料
型號(hào): UPD720113GK-9EU-A
廠商: NEC Corp.
英文描述: USB 2.0 HUB CONTROLLER
中文描述: USB 2.0集線器控制器
文件頁數(shù): 6/32頁
文件大?。?/td> 362K
代理商: UPD720113GK-9EU-A
Data Sheet S16618EJ3V0DS
6
μ
PD720113
1.
PIN INFORMATION
Pin Name
I/O
Buffer Type
Active
Level
Function
X1_CLK
I
2.5 V Input
Crystal oscillator in or clock input
X2
O
2.5 V Output
Oscillator out
SYSRSTB
I
5 V tolerant Schmitt Input
Low
Asynchronous chip reset
RPU
A (O)
USB Pull-up control
External 1.5 k
pull-up resistor control
DP(7:1)
I/O
USB D
+
signal I/O
USB’s downstream facing port D
+
signal
DM(7:1)
I/O
USB D
signal I/O
USB’s downstream facing port D
signal
DPU
I/O
USB D
+
signal I/O
USB’s upstream facing port D
+
signal
DMU
I/O
USB D
signal I/O
USB’s upstream facing port D
signal
LPWRM
I
3.3 V Schmitt Input
Local power monitor
RREF
A (O)
Analog
Reference resistor
CSB(7:1)
I
5 V tolerant Input
Low
Port’s over-current status input
PPB(7:1)
O
5 V tolerant N-ch open drain
Low
Port’s power supply control output
VBUSM
I
5 V tolerant Schmitt input
V
BUS
monitor
SCL
O
3.3 V Output
External serial ROM clock out
SDA/GANG_B
I/O
3.3 V Schmitt I/O
External serial ROM data IO or power
management mode select
EXROM_EN
I
3.3 V Schmitt Input
External serial ROM input enable
TEST
I
3.3 V Input
Test signal
SCAN_MODE
I
3.3 V Input
Test signal
V
DD33
3.3 V V
DD
V
DD25
2.5 V V
DD
AV
DD
2.5 V V
DD
for analog circuit
V
SS
V
SS
AV
SS
V
SS
for analog circuit
AV
SS
(R)
V
SS
for reference resistor. Connect to AV
SS
.
Remark
“5 V tolerant“ means that the buffer is 3 V buffer with 5 V tolerant circuit.
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