參數(shù)資料
型號: S1C60N09D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 0.08 MHz, MICROCONTROLLER, UUC70
封裝: DIE-70
文件頁數(shù): 9/62頁
文件大?。?/td> 476K
代理商: S1C60N09D
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Oscillation Circuit)
S1C60N09 TECHNICAL MANUAL
EPSON
11
4.2 Oscillation Circuit
The S1C60N09 Series has a built-in oscillation circuit that generates the operating clock of the CPU and
the peripheral circuit. Either crystal oscillation or CR oscillation can be selected for the oscillation circuit
by mask option.
4.2.1 Crystal oscillation circuit
The crystal oscillation circuit can be selected by mask option. The oscillation frequency (fosc) is 32.768
kHz (Typ.).
Figure 4.2.1.1 shows the configuration of the crystal oscillation circuit.
VDD
OSC2
OSC1
X'tal
CG
CPU
and peripheral circuits
R
F
CD
R
D
Fig. 4.2.1.1 Configuration of crystal oscillation circuit
As Figure 4.2.1.1 indicates, the crystal oscillation circuit can be configured simply by connecting the
crystal oscillator X'tal (Typ. 32.768 kHz) between the OSC1 and OSC2 terminals and the trimmer capaci-
tor CG (5–25 pF) between the OSC1 and VDD terminals.
4.2.2 CR oscillation circuit
The CR oscillation circuit can also be selected by mask option. The oscillation frequency (fosc) is 65 kHz
(Typ.).
Figure 4.2.2.1 shows the configuration of the CR oscillation circuit.
OSC2
OSC1
CPU
and peripheral circuits
CCR
R
CR
Fig. 4.2.2.1 Configuration of CR oscillation circuit
As Figure 4.2.2.1 indicates, the CR oscillation circuit can be configured simply by connecting the resistor
RCR between terminals OSC1 and OSC2 since capacity (CCR) is built-in.
See Chapter 6, "Electrical Characteristics" for RCR value.
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