ht48c50-1 Holtek Semiconductor Inc., ht48c50-1 Datasheet - Page 18

• Manufacturer Part Number: ht48c50-1
• Description: Ht48r50a-1/ht48c50-1 -- I/o Type 8-bit Mcu
• Manufacturer: Holtek Semiconductor Inc.

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