參數(shù)資料
型號(hào): HT82K68A
廠商: Holtek Semiconductor Inc.
英文描述: 8-Bit High Performance Peripheral Interface IC For Multiple I/O Products and Multimedia Applications(8位高性能外圍接口集成芯片,用于多I/O口及多媒體器件)
中文描述: 8位高性能外圍接口芯片為多個(gè)I / O產(chǎn)品和多媒體應(yīng)用(8位高性能外圍接口集成芯片,用于多的I / O口及多媒體器件)
文件頁(yè)數(shù): 6/40頁(yè)
文件大小: 255K
代理商: HT82K68A
A.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock
(Crystal OSC)
3V
2
MHz
5V
2
MHz
f
SYS2
System Clock (RC OSC)
3V
2
MHz
5V
2
MHz
t
WDTOSC
Watchdog Oscillator
3V
45
90
180
s
5V
35
65
130
s
t
WDT1
Watchdog Time-out
Period (RC)
3V
Without WDT
prescaler
12
23
45
ms
5V
9
17
35
ms
t
WDT2
Watchdog Time-out
Period (System Clock)
Without WDT
prescaler
1024
t
SYS
t
RES
External Reset Low
Pulse Width
1
s
t
SST
System Start-up Timer
Period
Power-up or
wake-upfromHALT
1024
t
SYS
t
INT
Interrupt Pulse Width
1
s
Note:
t
SYS
= 1/f
SYS
HT82K68A
6
December 8, 2000
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