Holtek HT66F30 User Manual

Rev. 2.50 230 June 22, 2017 Rev. 2.50 231 June 22, 2017
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
Conguration Options
CongurationoptionsrefertocertainoptionswithintheMCUthatareprogrammedintothedevice
duringtheprogrammingprocess.Duringthedevelopmentprocess,theseoptionsareselectedusing
theHT-IDEsoftwaredevelopmenttools.Astheseoptionsareprogrammedintothedeviceusing
thehardwareprogrammingtools,oncetheyareselectedtheycannotbechangedlaterusingthe
applicationprogram.Alloptionsmustbedenedforpropersystemfunction,thedetailsofwhichare
showninthetable.
No. Options
Oscillator Options
1
High Speed System Oscillator Selection – f
H
:
1. HXT
2. ERC
3. HIRC
2
Low Speed System Oscillator Selection – f
L
:
1. LXT
2. LIRC
3
WDT Clock Selection – f
S
:
1. f
SUB
2. f
SYS
/4
4
HIRC Frequency Selection:
1. 4MHz
2. 8MHz
3. 12MHz
Note: The f
SUB
and the f
TBC
clock source are LXT or LIRC selection by the f
L
conguration option.
Reset Pin Options
5
PB0/RES Pin Options:
1. RES pin
2. I/O pin
Watchdog Options
6
Watchdog Timer Function:
1. Enable
2. Disable
7
CLR WDT Instructions Selection:
1. 1 instructions
2. 2 instructions
LVR Options
8
LVR Function:
1. Enable
2. Disable
9
LVR Voltage Selection:
1. 2.10V
2. 2.55V
3. 3.15V
4. 4.20V
SIM Options
10
SIM Function:
1. Enable
2. Disable
11
SPI – WCOL bit:
1. Enable
2. Disable
12
SPI – CSEN bit:
1. Enable
2. Disable

Holtek HT66F30 Specifications

General

Brand	Holtek
Model	HT66F30
Category	Computer Hardware
Language	English