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HT95R34 Arkusz danych(PDF) 5 Page - Holtek Semiconductor Inc

Numer części HT95R34
Szczegółowy opis  I/O Type Phone 8-bit MCU with DTMF Receiver
PDF  59 Pages
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Producent  HOLTEK [Holtek Semiconductor Inc]
Strona internetowa  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT95R34 Arkusz danych(HTML) 5 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
DTMF Generator (Operating Temperature:
-20°Cto85°C
VTDC
DTMF Output DC Level
¾¾
0.45VDD
¾
0.7VDD
V
VTOL
DTMF Sink Current
¾ VDTMF= 0.5V
0.1
¾¾
mA
DTMF Receiver
RIN
Input Impedance (VP, VN)
5V
¾¾
10
¾
M
W
IOL3
Sink Current (EST)
5V
VOUT= 0.5V
1
2.5
¾
mA
IOH3
Source Current (EST)
5V
VOUT= 4.5V
-0.4
-0.8
¾
mA
Low-voltage Reset
VLVR1
Low Voltage Reset 1
¾ Configuration option= 4.2V
3.98
4.2
4.42
V
VLVR2
Low Voltage Reset 2
¾ Configuration option= 3.15V
2.98
3.15
3.32
V
VLVR3
Low Voltage Reset 3
¾ Configuration option= 2.1V
1.98
2.1
2.22
V
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
General
fSYS1
System Clock 1
¾
Normal mode
32768Hz crystal oscillator
¾
3.5795
¾
MHz
fSYS2
System Clock 2
¾
Green mode
32768Hz crystal oscillator
¾
32
¾
kHz
tSST
System Start-up Timer Period
¾
Power-up, Reset or wake-up
from HALT
¾
1024
¾
tSYS
tLVR
Low Voltage Width to Reset
¾¾
¾
1
¾
ms
tWAKE
Wake-up Time for 32768Hz
Crystal OSC
3V
32kHz oscillator OFF
® ON
¾¾
200
ms
tFUP
Settling Time for 32768Hz to
3.58MHz PLL (Frequency Up
Conversion)
3V
32kHz oscillator is ON;
3.58MHz oscillator OFF
®
ON
¾¾
20
ms
tS2G
Time from Sleep Mode to
Green Mode
¾ Wake-up from Sleep Mode
¾
0
¾
ms
MCU
tWDTOSC
Watchdog Oscillator Period
3V
¾
45
90
180
ms
5V
¾
32
65
130
tRES
External Reset Low Pulse
Width
¾¾
1
¾¾
ms
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
HT95R34
Rev. 1.10
5
February 18, 2009



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