HT48R02M Holtek Semiconductor, HT48R02M Datasheet - Page 51
HT48R02M
Manufacturer Part Number
HT48R02M
Description
(HT4xR0xM) 1.5V Battery 8-Bit OTP MCU
Manufacturer
Holtek Semiconductor
Datasheet
1.HT48R02M.pdf
(69 pages)
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Configuration Options
Configuration options refer to certain options within the MCU that are programmed into the OTP Program Memory de-
vice 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 by the application software. All options must be defined for proper
system function, the details of which are shown in the table.
Application Circuits
Rev. 1.00
No.
1
2
3
4
5
6
7
8
9
LVR function: enable or disable
Watchdog Timer: enable or disable
Watchdog Timer clock source: LXT, LIRC or f
Note: LXT oscillator must be selected by OSC configuration option if WDT clock source is from LXT.
CLRWDT instructions: 1 or 2 instructions
System oscillator configuration: HXT, HIRC, ERC, HIRC + LXT
LVR voltage: 2.1V
RES or PA7 pin function
SST: 1024 or 2 clocks (determine t
Internal RC: 4MHz or 8MHz
HT46R01M/HT46R02M/HT48R01M/HT48R02M
SST
for HIRC/ERC)
51
SYS
Options
/4
December 18, 2009
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