HT68F04 Holtek Semiconductor, HT68F04 Datasheet - Page 123
HT68F04
Manufacturer Part Number
HT68F04
Description
Small Package Enhanced Flash Type 8-Bit MCU
Manufacturer
Holtek Semiconductor
Datasheet
1.HT68F04.pdf
(139 pages)
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Configuration Options
Configuration options refer to certain options within the MCU that are programmed into the device during the program-
ming 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 defined for proper system function, the
details of which are shown in the table.
Rev. 1.00
Oscillator Options
Note: The f
Reset Pin Options
Watchdog Options
LVR Options
No.
1
2
3
4
5
6
7
8
SUB
High Speed/Low Speed System Oscillator Selection - f
1. HXT + LIRC
2. ERC + LIRC
3. HIRC + LIRC
4. HIRC + LXT
WDT Clock Selection - f
1. f
2. f
HIRC Frequency Selection:
1. 4MHz
2. 8MHz
3. 12MHz
PA7/RES Pin Options:
1. RES pin
2. I/O pin
Watchdog Timer Function:
1. Enable
2. Disable
CLRWDT Instructions Selection:
1. 1 instructions
2. 2 instructions
LVR Function:
1. Enable
2. Disable
LVR Voltage Selection:
1. 2.10V
2. 2.55V
3. 3.15V
4. 4.20V
SUB
SYS
and the f
/4
TBC
clock source are LXT or LIRC selection by the f
S
:
123
HT66F03/HT66F04/HT68F03/HT68F04
Options
OSC
:
OSC
configuration option.
April 16, 2010
www.DataSheet4U.com
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