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HT56RB688 Datasheet(PDF) 16 Page - Holtek Semiconductor Inc

Part # HT56RB688
Description  TinyPowerTM A/D Type Smart Card OTP MCU with LCD, DAC, ISO 7816 and USB Interfaces
PDF  164 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56RB688 Datasheet(HTML) 16 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
Pull-High Resistance
R
PH1
Pull-high Resistance for General
I/O Ports & Card Detection
(CDET)
3V
¾
40
60
80
k
W
5V
10
30
50
k
W
R
PH2
Pull-high resistance for Card I/O
(CIO)
$
¾¾
7.5
15.0
22.5
k
W
LVR/LVD
V
LVR
Low Voltage Reset Voltage
¾
Configuration option: 2.1V
1.98
2.10
2.22
V
Configuration option: 3.15V
2.98
3.15
3.32
V
Configuration option: 4.2V
3.98
4.20
4.42
V
V
LVD
Low Voltage Detector Voltage
¾
Configuration option: 2.2V
2.08
2.20
2.32
V
Configuration option: 3.3V
3.12
3.30
3.50
V
Configuration option: 4.4V
4.12
4.40
4.70
V
V
33O
USB 3.3V Regulator Output
5V
I
V33O=-5mA
3.0
3.3
3.6
V
V
BG
Bandgap reference with buffer
voltage
¾¾
-3%
´
typ.
1.24
+3%
´
typ.
V
Note:
1. * fS is the internal clock for the Buzzer, RTC, Time base and WDT.
2. % LXT in slow start mode (RTCC.4=1) for D.C. current measurement.
3. LXT = 32768 crystal and LIRC = internal 32K RC oscillator.
4. & LCD waveform is in Type A condition.
5. Timer0/1 off. Timer filter is disabled for all test conditions.
A.C. Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
f
SYS1
System Clock
(Crystal, ERC, HIRC OSC)
¾
2.2V~5.5V
400
¾
4000
kHz
3.0V~5.5V
400
¾
12000
kHz
4.5V~5.5V
400
¾
20000
kHz
f
SYS2
System clock (LXT OSC)
¾
2.2V~5.5V
¾
32768
¾
Hz
f
LXT
LXT Frequency
¾¾
¾
32768
¾
Hz
f
4MERC
4MHz External RC OSC
5V
R=150k
W-2%
4
2%
MHz
2.2V~
5.5V
R=150k
W, Ta=0°C~70°C
-7%
4
7%
MHz
R=150k
W, Ta=-40°C~85°C -11%
4
11%
MHz
Rev. 1.10
16
April 15, 2013
HT56RB688
TinyPowerTM A/D type Smart Card OTP MCU
with LCD, DAC, ISO 7816 and USB Interfaces



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