參數(shù)資料
型號： S1C88832F0A0100
元件分類： 微控制器/微處理器
英文描述： MICROCONTROLLER, PQFP128
封裝： PLASTIC, QFP-128
文件頁數(shù)： 15/160頁
文件大小： 1244K
代理商： S1C88832F0A0100
S1C88832/88862 TECHNICAL MANUAL
EPSON
103
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Sound Generator)
5.12 Sound Generator
5.12.1 Configuration of sound generator
The S1C88832/88862 has a built-in sound generator
for generating the buzzer (BZ and BZ) signal.
The BZ signal generated from the sound generator
can be output from the R50 output port terminal.
Furthermore, the R51 terminal can be set as the BZ
signal (BZ inverted signal) output by mask option.
Aside permitting the respective setting of the
buzzer signal frequency and sound level (duty
adjustment) to 8 stages, it permits the adding of a
digital envelope by means of duty ratio control. It
also has a one-shot output function for outputting
key operated sounds.
Figure 5.12.1.1 shows the configuration of the
sound generator.
5.12.2 Control of buzzer output
The BZ signal can be output from the R50 output
port terminal. Furthermore, the R51 output port
terminal can be used to output the BZ signal (BZ
inverted signal) by mask option.
The configuration of the output ports R50 and R51
is shown in Figure 5.12.2.1.
Fig. 5.12.1.1 Configuration of sound generator
BZ (R51)*
Dividing circuit
256 Hz
Envelope
addition circuit
Programmable
dividing circuit
BZFQ0–BZFQ2
DUTY0–DUTY2
Duty ratio
control circuit
ENRTM
BZON
ENON
ENRST
OSC1
oscillation circuit
fOSC1
BZSHT
One-shot buzzer
control circuit
SHTPW
BZSTP
Buzzer output
control circuit
Output port
R50, R51
BZ (R50)
Available when selected
by mask option
BZ signal
R
SQ
One-shot
time up
R50 output
Register BZSTP
Register BZON
Register BZSHT
Register R50D
R51 output
Mask option
Register R51D
Fig. 5.12.2.1 Configuration of R50 and R51
The output control for the buzzer signal generated by
the sound generator is done by the buzzer output
control register BZON, one-shot buzzer trigger bit
BZSHT and one-shot buzzer forced stop bit BZSTP.
When "1" is set to BZON or BZSTP, the R50 goes
LOW (VSS) and the R51 goes HIGH (VDD).
To output the buzzer signal, "0" must always be set
for the data register R50D. The data register R51D
does not affect the BZ output.
Figure 5.12.2.2 shows the output waveform of the
buzzer signal.
Fig. 5.12.2.2 Buzzer output waveform
Note: Since the buzzer signal is generated asyn-
chronously from the registers BZON, BZSHT
and BZSTP, when the signal is turned ON or
OFF by the register settings, a hazard of a 1/
2 cycle or less is generated.
BZON/BZSHT
BZ output (R50)
BZ output (R51) *
01
when selected by mask option
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S1C88848 制造商:EPSON 制造商全稱:EPSON 功能描述:8-bit Single Chip Microcomputer
S1C8F360D411000 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 最大時鐘頻率:24 MHz 程序存儲器大小: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
S1C8F360D511000 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 最大時鐘頻率:24 MHz 程序存儲器大小: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
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 最大時鐘頻率:24 MHz 程序存儲器大小: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 最大時鐘頻率:24 MHz 程序存儲器大小: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
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