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HT46R321 датащи(PDF) 5 Page - Holtek Semiconductor Inc

номер детали HT46R321
подробное описание детали  A/D Type 8-Bit OTP MCU with OPA and 8x4 LED Driver
PDF  45 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT46R321 датащи(HTML) 5 Page - Holtek Semiconductor Inc

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background image
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IADC
Additional Power Consumption
if A/D Converter is Used
3V
¾
¾
0.5
1
mA
5V
¾
1.5
3
mA
DNL
ADC Differential Non-Linearity
5V
tAD=1
ms
¾¾
±2
mA
INL
ADC Integral Non-Linearity
5V
tAD=1
ms
¾±2.5
4mA
RESOLU Resolution
¾¾
¾
¾
12
Bits
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS
System Clock
(Crystal OSC, RC OSC)
¾
2.2V~5.5V
400
¾
4000
kHz
¾
3.3V~5.5V
400
¾
8000
kHz
fTIMER
Timer I/P Frequency
(TMR)
¾
2.2V~5.5V
0
¾
4000
kHz
¾
3.3V~5.5V
0
¾
8000
kHz
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
ms
tWDT1
Watchdog Time-out Period
(WDT OSC)
¾¾
2
15
¾
2
16
tWDTOSC
tWDT2
Watchdog Time-out Period
(System Clock)
¾¾
2
17
¾
2
18
tSYS
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾
Wake-up from HALT
¾
1024
¾
*tSYS
tLVR
Low Voltage Width to Reset
¾¾
0.25
1
2
ms
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
tAD
A/D Clock Period
¾¾
1
¾¾
ms
tADC
A/D Conversion Time
¾¾
¾
80
¾
tAD
tADCS
A/D Sampling Time
¾¾
¾
32
¾
tAD
Note: *tSYS=1/fSYS
HT46R321
Rev. 1.00
5
August 3, 2007



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