參數(shù)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(shù): 104/161頁
文件大?。?/td> 1037K
代理商: S1C621A0F0A0100
I-22
EPSON
S1C621A0 TECHNICAL HARDWARE
CHAPTER 3: PERIPHERAL CIRCUITS (Output Ports)
R12 and R13
(FOUT, BZ, BZ)
Among the output ports, R12 and R13 each have mask
options (normally, DC output) as listed in Table 3.5.2.
Table 3.5.2
R12 and R13 Mask Options
FOUT (frequency output divided OSC1 clock) becomes valid
when 0 is written into the register, and appears a high-level
DC output when 1 is written into the register (see Figure
3.5.2 at R12 pin).
BZ (buzzer) and BZ become valid when 0 is written into the
register, and appear a low-level DC output when 1 is written
into the register (see Figure 3.5.2 at R-port pins).
Note It is possible that hazard appear when the FOUT, BZ or BZ output
turns ON or OFF.
R12
R13
DC, FOUT, BZ (fOSC1/8, fOSC1/16)
DC, BZ (fOSC1/8, fOSC1/16)
Pin
Mask options
Register
Data bus (D2)
BZ
R12
R13
FOUT
Mask option
Register
Data bus (D3)
Address FDH
Fig. 3.5.2
Configuration of R12 and R13
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