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參數(shù)資料
| 型號(hào)： | S1C6S460D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 2 MHz, MICROCONTROLLER, UUC124 |
| 封裝： | 4.69 X 4.68 MM, DIE-124 |
| 文件頁數(shù)： | 88/107頁 |
| 文件大小： | 788K |
| 代理商： | S1C6S460D |
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S1C6S460 TECHNICAL MANUAL
EPSON
73
CHAPTER 10: SOUND GENERATOR
BZSHOT (F75H [D3], W, R)
Controls the output of the 1-shot buzzer.
During writing operation
When "1" is written: Trigger
When "0" is written: No operation
When "1" is written on BZSHOT, the 1-shot circuit operates and the buzzer signal (BZ and BZ) is
output.
The 1-shot buzzer operates only when the regular buzzer output is in the OFF (R43 = "1") state and
writing to BZSHOT becomes invalid in the ON (R43 = "0") state.
During reading operation
When "1" is read: Busy
When "0" is read: Ready
The BZSHOT reads "1" when the 1-shot buzzer is ringing and "0" when it is not ringing. The period of
"1" is from the time of the trigger until the buzzer output is turned OFF.
At initial reset, "0" is read.
10.7 Programming Notes
(1) The BZ and BZ signals may generate hazards in the following cases:
When the content of R43 register is changed, BZ and BZ signals are switched ON or OFF.
When the contents of buzzer frequency selection registers (BZFQ0–BZFQ2) while the buzzer signal
(BZ and BZ) is being output.
(2) The 1-shot buzzer operates only when the regular buzzer output is in the OFF (R43 = "1") state and
writing to BZSHOT becomes invalid in the ON (R43 = "0") state.
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