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HT82A525R Scheda tecnica(PDF) 9 Page - Holtek Semiconductor Inc

Il numero della parte HT82A525R
Spiegazioni elettronici  I/O Type USB 8-Bit OTP MCU with SPI
Download  71 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT82A525R Scheda tecnica(HTML) 9 Page - Holtek Semiconductor Inc

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Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
IOL2
I/O Port Sink Current for PF0, PF1
¾ VOL=0.1VDD,VDD=5V
25
¾
mA
IOH1
I/O Port Source Current for PA, PB,
PC, PD, PE
¾
VOH=0.9VDDIO,
VDDIO=3.3V
-2
-5
¾
mA
IOH2
I/O Port Source Current for PF0, PF1 5V
VOH=0.9VDD
-2
-5
¾
mA
RPH1
Pull-high Resistance for PA, PB,
PC, PD, PE
¾ VDDIO=3.3V
40
60
80
k
W
RPH2
Pull-high Resistance for PF0, PF1
5V
¾
10
30
50
k
W
VLVR
Low Voltage Reset Voltage
¾¾
2.0
2.2
2.4
V
ILCD_BIAS
VDDIO/2 Bias Current for LCD,
VDDIO=5V
5V
LCDC. RSEL[1:0]=00
17.5
25.0
32.5
mA
LCDC. RSEL[1:0]=01
35
50
65
mA
LCDC. RSEL[1:0]=10
70
100
130
mA
LCDC. RSEL[1:0]=11
140
200
260
mA
VCOM
VDDIO/2 Voltage for LCD COM Port,
VDDIO=5V
5V
No load
0.475
0.500
0.525
VDDIO
A.C. Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VDD
Conditions
fSYS1
System Clock (Crystal OSC)
5V
¾
6000
¾
12000
kHz
fSYS2
System Clock (HIRC OSC)
4.5V~
5.5V
¾
11640
12000
12360
kHz
fTIMER
Timer I/P Frequency (TMR0/TMR1)
5V
¾
0
¾
fSYS
kHz
tWDTOSC Watchdog Oscillator Period
5V
¾
32
65
130
ms
tRES
External Reset Low Pulse Width
¾¾
1
¾¾
ms
tSST
System Start-up Timer Period
¾
Power-up, reset or
wake-up from HALT
¾
1024
¾
*tSYS
tINT
Interrupt Pulse Width
¾¾
1
¾¾
ms
fPCLK
Parallel Frequency
5V
¾
2
¾
5
MHz
Note:
*tSYS=1/fSYS
*fT1=fSYS/4
Rev. 1.80
9
March 11, 2016
HT82A525R
I/O Type USB 8-Bit OTP MCU with SPI


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