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HT67F488 Fiches technique(PDF) 111 Page - Holtek Semiconductor Inc

No de pièce HT67F488
Description  TinyPowerTM A/D Flash MCU with LCD & EEPROM
PDF  171 Pages
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Fabricant  HOLTEK [Holtek Semiconductor Inc]
Site Internet  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT67F488 Fiches technique(HTML) 111 Page - Holtek Semiconductor Inc

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Rev. 1.60
111
�ove��e� ��� �016
HT67F488/HT67F489
TinyPowerTM A/D Flash MCU with LCD & EEPROM
LED Driver
ThedevicescontainanLEDdriverfunctionofferinghighcurrentoutputdrivecapabilitywhichcan
beusedtodriveexternalLEDs.
LED Driver Operation
ThevariousI/OpinsofdeviceshaveacapabilityofprovidingLEDhighcurrentdriveoutputs,as
shownintheaccompanyingtable.
Device
LED Drive Pins
HT67F488
HT67F489
PD0~PD7 (high sou�ce cu��ent)
PE0~PE7 (high sink cu��ent)
LED Driver Register
IOHR0 Register
Bit
7
6
5
4
3
2
1
0
�a�e
IOHS31
IOHS30
IOHS�1
IOHS�0
IOHS11
IOHS10
IOHS01
IOHS00
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
IOHR1 Register
Bit
7
6
5
4
3
2
1
0
�a�e
IOHS71
IOHS70
IOHS61
IOHS60
IOHS51
IOHS50
IOHS41
IOHS40
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
IOHSn[1:0]:IOHcapacityselectionforPDn(n=0~7)
00:FulllysourcedrivingcapacityofGPIO
01:1/3sourcedrivingcapacityofGPIO
10:1/4sourcedrivingcapacityofGPIO
11:1/6sourcedrivingcapacityofGPIO



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