HT48C50A-1 Holtek Semiconductor, HT48C50A-1 Datasheet - Page 18

• Manufacturer Part Number: HT48C50A-1
• Description: (HT48R50A-1 / HT48C50A-1) I/O Type 8-Bit MCU
• Manufacturer: Holtek Semiconductor

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Options
The following table shows all kinds of options in the microcontroller. All of the options must be defined to ensure proper
system functioning.
Rev. 2.00
Items
10
11
1
2
3
4
5
6
7
8
9
WDT clock source: WDT oscillator or f
CLRWDT instructions: 1 or 2 instructions
Timer/Event Counter 0 clock sources: f
Timer/Event Counter 1 clock sources: f
PA bit wake-up enable or disable
PA CMOS or Schmitt input
PA, PB, PC, PD, PG pull-high enable or disable (By port)
BZ/BZ enable or disable
LVR enable or disable
System oscillator
Ext. RC, Ext.crystal, Int.RC+RTC or Int.RC+PG1/PG2
Int.RC frequency selection 3.2MHz, 1.6MHz, 800kHz or 400kHz
SYS
SYS
SYS
/4 or RTC oscillator or disable
/4 or RTCOSC
or RTCOSC
18
Options
HT48R50A-1/HT48C50-1
March 8, 2006