HT48CA3 Holtek Semiconductor Inc, HT48CA3 Datasheet - Page 16

• Manufacturer Part Number: HT48CA3
• Description: 8-Bit Remote Type MCU
• Manufacturer: Holtek Semiconductor Inc

Application Circuits
RC Oscillator for Multiple I/O Applications
Note:
Rev. 1.40
The resistance and capacitance for reset circuit should be designed to ensure that the VDD is stable and re-
mains in a valid range of the operating voltage before bringing RES to high.
The following table shows the R* and C* value according different crystal values.
4MHz Crystal
4MHz Resonator (3 pin)
4MHz Resonator (2 pin)
3.58MHz Crystal
3.58MHz Resonator (2 pin)
2MHz Crystal & Resonator (2 pin)
1MHz Crystal
429kHz Resonator
455kHz Resonator
480kHz Resonator
Crystal or Resonator
300pF
300pF
300pF
10pF
25pF
25pF
35pF
16
0pF
0pF
0pF
C*
Crystal or Ceramic Resonator for Multiple I/O
Applications
9.1k
10k
12k
12k
10k
10k
10k
27k
10k
10k
R*
HT48CA3
July 16, 2003