Holtek HT66F0175 User Manual

Rev. 1.50 150 August 28, 2017 Rev. 1.50 151 August 28, 2017
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
HT66F0175/HT66F0185
A/D Flash MCU with EEPROM
LCD Control Registers
TheLCDCOMandSEGdriverenablesarangeofselectionstobeprovidedtosuittherequirement
oftheLCDpanelwhichisbeingused.ThebiasresistorchoiceisimplementedusingtheISEL1
andISEL0bitsintheSLCDC0register.AllCOMandSEGpinsarepin-sharedwithI/Opinsand
selectedasCOMandSEGpinsusingthecorrespondingpinfunctionselectionbitsintheSLCDCn
registersrespectively.
Register
Name
Bit
7 6 5 4 3 2 1 0
SLCDC0 FRAME ISEL1 ISEL0 LCDEN COM3EN COM2EN COM1EN COM0EN
SLCDC1 COM5EN COM4EN COMSEGS5 COMSEGS4 COMSEGS3 COMSEGS2 COMSEGS1 COMSEGS0
SLCDC2 SEG13EN SEG12EN SEG11EN SEG10EN SEG9EN SEG8EN SEG7EN SEG6EN
SLCDC3 — — SEG19EN SEG18EN SEG17EN SEG16EN SEG15EN SEG14EN
LCD Driver Control Registers List – HT66F0175
Register
Name
Bit
7 6 5 4 3 2 1 0
SLCDC0 FRAME ISEL1 ISEL0 LCDEN COM3EN COM2EN COM1EN COM0EN
SLCDC1 COM5EN COM4EN COMSEGS5 COMSEGS4 COMSEGS3 COMSEGS2 COMSEGS1 COMSEGS0
SLCDC2 SEG13EN SEG12EN SEG11EN SEG10EN SEG9EN SEG8EN SEG7EN SEG6EN
SLCDC3 SEG21EN SEG20EN SEG19EN SEG18EN SEG17EN SEG16EN SEG15EN SEG14EN
SLCDC4 — — — — — — SEG23EN SEG22EN
LCD Driver Control Registers List – HT66F0185
SLCDC0 Register
Bit 7 6 5 4 3 2 1 0
Name FRAME ISEL1 ISEL0 LCDEN COM3EN COM2EN COM1EN COM0EN
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
Bit7 FRAME:SCOM/SSEGOutputFrameselection
0:Frame0
1:Frame1
Bit6~5 ISEL1~ISEL0:SelectSCOM/SSEGtypicalbiascurrent(V
DD
=5V)
00:8.3μA
01:16.7μA
10:50μA
11:100μA
Bit4 LCDEN:SCOM/SSEGModuleenablecontrol
0:Disable
1:Enable
TheSCOMnandSSEGmlinescanbeenabledusingCOMnENandSEGmENifthe
LCDENbitissetto1.WhentheLCDbitisclearedto0,thentheSCOMnandSSEGm
outputswillbexedataV
SS
level.
Bit3 COM3EN:SCOM3/SSEG3orotherpinfunctionselect
0:Otherpin-sharedfunctions
1:SCOM3/SSEG3function
Bit2 COM2EN:SCOM2/SSEG2orotherpinfunctionselect
0:Otherpin-sharedfunctions
1:SCOM2/SSEG2function

Holtek HT66F0175 Specifications

General

Brand	Holtek
Model	HT66F0175
Category	Storage
Language	English