參數(shù)資料
型號： S1C88816D
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.2 MHz, MICROCONTROLLER, UUC164
封裝： DIE-164
文件頁數(shù)： 21/173頁
文件大?。?/td> 1411K
代理商： S1C88816D
S1C88816 TECHNICAL MANUAL
EPSON
109
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Sound Generator)
BZSHT: 00FF44HD5
Controls the one-shot buzzer output.
When "1" is written: Trigger
When "0" is written: No operation
When "1" is read:
Busy
When "0" is read:
Ready
Writing "1" into BZSHT causes the one-shot output
circuit to operate. The BZ (BZ) signal is output from
the R50 (R51) terminal. The buzzer output is
automatically turned OFF after the time set by
SHTPW has elapsed.
To output the BZ signal, "0" must always be set for
the data register R50D. The data register R51D does
not affect the BZ output.
The one-shot output is only valid when the normal
buzzer output is OFF (BZON = "0") state. The
trigger is invalid during ON (BZON = "1") state.
When a re-trigger is assigned during a one-shot
output, the one-shot output time set with SHTPW is
measured again from that point. (time extension)
The operation status of the one-shot output circuit
can be confirmed by reading BZSHT, when the one-
shot output is ON, "1" is read from BZSHTand
when the output is OFF, "0" is read.
At initial reset, BZSHT is set to "0" (ready).
The BZ signal can be output from R51 only when
the function is selected by mask option.
BZSTP: 00FF44HD6
Forcibly stops the one-shot buzzer output.
When "1" is written: Forcibly stop
When "0" is written: No operation
Reading:
Constantly "0"
By writing "1" into BZSTP, the one-shot buzzer
output can be stopped prior to the elapsing of the
time set with SHTPW.
Writing "0" is invalid and writing "1" except during
one-shot output is also invalid.
When "1" is written to BZSHT and BZSTP simulta-
neously, BZSTP takes precedence and one-shot
output becomes stop status.
Since BZSTP is for writing only, during readout it is
constantly set to "0".
5.12.8 Programming notes
(1) Since the buzzer signal is generated asynchro-
nously from the register BZON, when the signal
is turned ON or OFF by the register setting, a
hazard of a 1/2 cycle or less is generated.
(2) The SLP instruction has executed when the
buzzer signal output is in the enable status
(BZON = "1" or BZSHT = "1"), unstable clock is
output from the output terminal at the time of
return from the SLEEP status. Consequently,
when shifting to the SLEEP status, you should
set the buzzer signal output to the disable status
(BZON = BZSHT = "0") prior to executing the
SLP instruction.
(3) The one-shot output is only valid when the
normal buzzer output is OFF (BZON = "0")
status. The trigger is invalid during ON (BZON
= "1") status.
(4) When driving an external bipolar transistor
with the BZ signal to sound a buzzer, select
"heavy load protection mode during buzzer
output" by mask option. Note that the LCD
driver current will be increased about 20 A.
When direct driving a piezoelectric buzzer
using the BZ/BZ or MOUT/MOUT terminals,
select "normal mode" by mask option to reduce
current consumption.
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相關代理商/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 安裝風格:SMD/SMT
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