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參數資料
| 型號： | HT82K94A |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | USB Multimedia Keyboard Encoder 8-Bit MCU |
| 中文描述： | 的USB多媒體鍵盤編碼器8位微控制器 |
| 文件頁數： | 4/44頁 |
| 文件大小： | 295K |
| 代理商： | HT82K94A |
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Pin Name
I/O
ROM Code
Option
Description
VSS
Negative power supply, ground
RES
I
Schmitt trigger reset input. Active low
VDD
Positive power supply
V33O
O
3.3V regulator output
USBD+/CLK
I/O
USBD+ or PS2 CLK I/O line
USB or PS2 function is controlled by software control register
USBD-/DATA
I/O
USBD- or PS2 DATA I/O line
USB or PS2 function is controlled by software control register
OSC1
OSC2
I
O
OSC1, OSC2 are connected to a 6MHz or 12MHz Crystal/resonator
(determined by software instructions) for the internal system clock.
Absolute Maximum Ratings
Supply Voltage...........................V
SS
0.3V to V
SS
+6.0V
Storage Temperature............................ 50 C to 125 C
Input Voltage..............................V
SS
0.3V to V
DD
+0.3V
Operating Temperature...............................0 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
f
SYS
=6MHz
2.2
5.5
V
f
SYS
=12MHz
2.2
5.5
V
I
DD1
Operating Current (6MHz Crystal)
5V
No load, f
SYS
=6MHz
6.5
12
mA
I
DD2
Operating Current (12MHz Crystal)
5V
No load, f
SYS
=12MHz
7.5
16
mA
I
STB1
Standby Current (WDT Enabled)
5V
No load, system HALT,
USB suspend
250
A
I
STB2
Standby Current (WDT Disabled)
5V
No load, system HALT,
USB suspend
230
A
I
STB3
Standby Current (WDT Enabled)
5V
No load, system HALT,
I/O mode
15
A
V
IL1
Input Low Voltage for I/O Ports
5V
TTL level
0
0.8
V
V
IH1
Input High Voltage for I/O Ports
5V
TTL level
2
5
V
V
IL2
Input Low Voltage (RES)
5V
CMOS level
0
0.4V
DD
V
V
IH2
Input High Voltage (RES)
5V
CMOS level
0.9V
DD
V
DD
V
I
OL1
I/O Port Sink Current for PA1~PA7, PB,
PC, PD
5V
V
OL
=3.4V
10
15
20
mA
I
OL2
I/O Port Sink Current for PA1~PA7, PB,
PC, PD
5V
V
OL
=0.4V
2
4
8
mA
I
OL3
I/O Port Sink Current for PA0
5V
V
OL
=0.4V
7
10
13
mA
HT82K94E/HT82K94A
Rev. 1.00
4
November 22, 2005
相關PDF資料 |
PDF描述 |
|---|---|
| HT82K94E | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K94E_07 | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95AE | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95EE | USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95A | USB Multimedia Keyboard Encoder 8-Bit MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT82K94E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K94E_07 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95AE | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit MCU |
| HT82K95E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:USB Multimedia Keyboard Encoder 8-Bit MCU |
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