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HT32F1253 Datasheet(PDF) 22 Page - Holtek Semiconductor Inc

Part # HT32F1253
Description  32-bit Microcontroller with ARM Cortex-M3 Core
PDF  35 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT32F1253 Datasheet(HTML) 22 Page - Holtek Semiconductor Inc

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Rev. 1.00
22 of 35
May 27, 2011
32-bit ARM Cortex™-M3 MCU
HT32F1251/51B/52/53
4 Electrical Characteristics
Absolute Maximum Ratings
The following table shows the absolute maximum ratings of the device. These are stress ratings
only. Stresses beyond absolute maximum ratings may cause permanent damage to the device. Note
that the device is not guaranteed to operate properly at the maximum ratings. Exposure to the
absolute maximum rating conditions for extended periods may affect device reliability.
Table 3. Absolute Maximum Ratings
Symbol
Parameter
Min
Max
Unit
VDD33
External main supply voltage
VSS - 0.3
VSS + 3.6
V
VDDA
External analog supply voltage
VSSA - 0.3
VSSA + 3.6
V
VBAT
External battery supply voltage
VSS - 0.3
VSS + 3.6
V
VIN
Input voltage on 5 V-tolerant I/O
VSS - 0.3
VSS + 5.5
V
Input voltage on other I/O
VSS - 0.3
VDD33 + 0.3
V
TA
Operating temperature range
-40
+85
°C
TSTG
Storage temperature range
-55
+150
°C
TJ
Maximum junction temperature
—
125
°C
PD
Total power dissipation
—
500
mW
VESD
Electrostatic discharge voltage (human body mode)
-4000
+4000
V
DC Characteristics
Table 4. DC Operating Conditions
TA = 25°C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD33
Operating voltage of I/O
—
2.7
3.3
3.6
V
VDDA
Analog operating voltage
—
2.7
3.3
3.6
V
VBAT
Operating voltage of Battery supply —
2.7
3.3
3.6
V
VDD18
Operating voltage of core power
—
1.62
1.8
1.98
V
On-Chip LDO Voltage Regulator Characteristics
Table 5. LDO Characteristics
TA = 25°C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VLDOOUT
Internal regulator output
voltage
VLDOIN = 3.3 V Regulator input
1.71
1.8
1.89
V
IDD18
Output current
VLDOIN = 2.4 V Regulator input
—
—
200
mA
CLDO
External filter capacitor
value for internal core
power supply
The capacitor value is
dependent on the core power
current consumption
2.2
—
10
μF



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