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參數(shù)資料
| 型號(hào)： | S1C8F360F |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8.2 MHz, MICROCONTROLLER, PQFP176 |
| 封裝： | QFP18-176 |
| 文件頁(yè)數(shù)： | 37/217頁(yè) |
| 文件大?。?/td> | 1753K |
| 代理商： | S1C8F360F |
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S1C8F360 TECHNICAL MANUAL
EPSON
121
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Sound Generator)
BZFQ0–2
ENON
ENRST
ENRTM
BZON
t01
t02
t03
t04
t05
t06
t07
t01
t11
t12
t13
t14
t15
t16
t17
level 1 (MAX)
2
3
4
5
6
7
8 (MIN)
Buzzer
signal
duty ratio
No change of duty level
t01
t02–07
= 62.5
msec
= 62.5 msec
+0
–4
t11
t12–17
= 125
msec
= 125 msec
+0
–4
Fig. 5.13.4.1 Timing chart of digital envelope
Fig. 5.13.5.1 Timing chart of one-shot output
5.13.5 One-shot output
The sound generator has a built-in one-shot output
function for outputting a short duration buzzer
signal for key operation sounds and similar effects.
Either 125 msec or 31.25 msec can be selected by the
one-shot buzzer duration selection register SHTPW
for buzzer signal output time.
The output control of the one-shot buzzer is done
by writing "1" to the one-shot buzzer trigger
BZSHT, then the buzzer signal is output in synchro-
nization with the internal 256 Hz signal from the
output port terminal. Thereafter, when the set time
has elapsed, the buzzer signal in synchronization
with the 256 Hz signal automatically goes OFF in
the same manner.
The BZSHT can be read to determine status. When
BZSHT is "1", it indicates a BUSY status (during
one-shot output) and when BZSHT is "0", it indi-
cates a READY status (during stop).
When you want to turn the buzzer signal OFF prior
to the elapse of the set time, the buzzer signal can
be immediately stopped (goes OFF in
asynchonization with 256 Hz signal) by writing "1"
to the one-shot forced stop bit BZSTP.
Since the one-shot output has a short duration, an
envelope cannot be added. (When "1" is written to
BZSHT, ENON is automatically reset to "0".)
Consequently, only the frequency and sound level
can be set for one-shot output.
The control for the one-shot output is invalid
during normal buzzer output.
Figure 5.13.5.1 shows the timing chart of the one-
shot output.
256 Hz
SHTPW
BZSHT(W)
BZSHT(R)
BZSTP
BZ output (R50)
BZ output (R51) *
when selected by mask option
5.13.4 Digital envelope
A digital envelope with duty control can be added
to the buzzer signal.
The envelope can be realized by staged changing of
the same duty ratio as detailed in Table 5.13.3.2 in
the preceding section from level 1 (maximum) to
level 8 (minimum).
The addition of an envelope to the buzzer signal
can be done by writing "1" to the envelope control
register ENON. When "0" is written, the duty ratio
is set at the level selected in DUTY0–DUTY2.
By writing "1" to ENON to turn the buzzer output
ON (writing "1" to BZON), the buzzer signal with a
level 1 duty ratio is output, and then the duty ratio
can be attenuated in stages to level 8. The attenu-
ated envelope can be returned to level 1 by writing
"1" to the envelope reset bit ENRST. When attenu-
ated to level 8, the duty level remains at level 8
until the buzzer output is turned OFF (writing "0"
to BZON) or writing "1" to ENRST.
The stage changing time for the envelope level can
be selected either 125 msec or 62.5 msec by the
envelope attenuation time selection register
ENRTM.
Figure 5.13.4.1 shows the timing chart of the digital
envelope.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1C8F360F413100 | 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| S1C8F360F513200 | 功能描述:16位微控制器 - MCU 8-bit Flash 60KB LCD Dr. 51 x 32 RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| S1C8F626 | 制造商:EPSON 制造商全稱:EPSON 功能描述:8-bit Single Chip Microcomputer |
| S1C-8-S | 制造商:GRIPCO 功能描述: |
| S1CFB | 制造商:Hubbell Wiring Device-Kellems 功能描述:FLOORBOX, SYSTEM ONE, CAST IRON |
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