參數資料
型號: S1C621A0F0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 105/161頁
文件大小: 1037K
代理商: S1C621A0F0A0100
S1C621A0 TECHNICAL HARDWARE
EPSON
I-23
CHAPTER 3: PERIPHERAL CIRCUITS (Output Ports)
With FOUT selected, the pin provides the OSC1 oscillation
clock (fOSC1) or an OSC1 clock divided by 2 to 128 (selected
by using mask option).
With BZ selected, the pin provides fOSC1 divided by 8 or 16
for driving a piezo-electric buzzer. A division ratio (8 or 16)
can be selected by using the mask option i.e. when fOSC1 =
32 kHz, either 4 kHz or 2 kHz can be selected as fBZ.
BZ is the complementary output of BZ as shown in Figure
3.5.3. If BZ alone cannot develop an effective voltage high
enough to drive the buzzer, BZ is used with BZ to double the
effective voltage.
The BZ output can be used only when the BZ output is
selected at port R13.
Fig. 3.5.3
R12 and R13 Output
Waveforms
R12 (DC output selected)
R13 (DC output selected)
R12 (BZ output selected)
R13 (BZ output selected)
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