HT48R50A-1/HT48C50-1
Options
The following table shows all kinds of options in the microcontroller. All of the options must be defined to ensure proper
system functioning.
Items
Options
WDT clock source: WDT oscillator or fSYS/4 or RTC oscillator or disable
CLRWDT instructions: 1 or 2 instructions
Timer/Event Counter 0 clock sources: fSYS or RTCOSC
Timer/Event Counter 1 clock sources: fSYS/4 or RTCOSC
PA bit wake-up enable or disable
1
2
3
4
5
6
7
8
9
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
10
11
Ext. RC, Ext.crystal, Int.RC+RTC or Int.RC+PG1/PG2
Int.RC frequency selection 3.2MHz, 1.6MHz, 800kHz or 400kHz
Rev. 2.01
18
January 9, 2009
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
