參數(shù)資料
型號(hào): HT82A851R
廠商: Holtek Semiconductor Inc.
英文描述: USB Audio MCU
中文描述: USB音頻控制器
文件頁(yè)數(shù): 4/43頁(yè)
文件大?。?/td> 304K
代理商: HT82A851R
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
5V
3.3
5.0
5.5
V
I
DD
Operating Current
5V
No load, f
SYS
=12MHz
5
mA
I
SUS
Suspend Current
5V
No load, system HALT,
USB transceiver and 3.3V
regulator on
350
A
V
IL1
Input Low Voltage for I/O Ports
5V
0
0.3V
DD
V
V
IH1
Input High Voltage for I/O Ports
5V
0.7V
DD
V
DD
V
V
IL2
Input Low Voltage (RESET)
5V
0
0.4V
DD
V
V
IH2
Input High Voltage (RESET)
5V
0.9V
DD
V
DD
V
I
OL
I/O Port Sink Current
5V
V
OL
=0.1V
DD
5
mA
I
OH
I/O Port Source Current
5V
V
OH
=0.7V
DD
5
mA
R
PH
Pull-high Resistance
5V
30
40
80
k
V
LVR
Low Voltage Reset
5V
2.7
3.0
3.3
V
V
V33O
3.3V Regulator Output
5V
I
V33O
= 5mA
3.0
3.3
3.6
V
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS
System Clock (Crystal OSC)
5V
0.4
12
MHz
t
WDTOSC
Watchdog Oscillator Period
5V
100
s
t
RES
RESET Input Pulse Width
1
s
t
SST
System Start-up Timer Period
1024
t
SYS
t
INT
Interrupt Pulse Width
1
s
Note: t
SYS
=1/f
SYS
HT82A851R
Rev. 1.20
4
June 15, 2007
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