HT48RA0-5 Holtek Semiconductor, HT48RA0-5 Datasheet - Page 18

• Manufacturer Part Number: HT48RA0-5
• Description: Remote Type 8-Bit OTP MCU
• Manufacturer: Holtek Semiconductor

Configuration Options
The following table shows the range of configuration options for the device. All the configuration options must be de-
fined to ensure proper system functioning.
Application Circuits
Note:
Rev.1.00
Oscillator Options
REM/REMDRV pin Options
Watchdog Options
LVR Options
Reset pin Options
No.
1
2
3
4
5
6
7
8
System oscillator selection - f
XTAL oscillator without internal feedback resistor
XTAL oscillator with internal feedback resistor
Internal 4095kHz RC oscillator
REM or REMDRV output pin selection
WDT clock selection - f
Internal RC oscillator or f
WDT function: enable or disable
CLRWDT instruction selections: 1 or 2 instructions
WDT time-out period selections: 2
LVR function: enable or disable
I/O or RES pin selection
* It is recommended that this component is added for added ESD protection.
** It is recommended that this component is added in environments where power line noise is significant.
S
:
SYS
/4
SYS
:
8
/f
S
, 2
9
/f
S
, 2
10
Code Option
/f
S
18
, 2
11
/f
S
HT48RA0-5
March 23, 2010
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