參數(shù)資料
型號： UPD178023
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù)： 22/56頁
文件大小： 261K
代理商： UPD178023
22
μ
PD178023, 178024
Data Sheet U14126EJ1V0DS00
Figure 3-5. Block Diagram of Watchdog Timer
OSTS2OSTS1OSTS0
WDCS2WDCS1
WDCS0
RUN
WDTM4 WDTM3
Clock input
control circuit
Divided clock
select circuit
RUN
Divider circuit
f
X
/2
8
INTWDT
RESET
WDT mode signal
3
Watchdog timer clock
select register (WDCS)
Oscillation stabilization
time select register (OSTS)
Watchdog timer mode
register (WDTM)
Output
control
circuit
Division mode
select circuit
Internal bus
Internal bus
BEEP
CL02
BEEP
CL01
BEEP
CL00
BEEP0 clock select
register (BEEPCL0)
BEEP0/P36
1 kHz
1.5 kHz
3 kHz
4 kHz
Output latch
(P36)
PM36
Selector
3.4 Buzzer Output Control Circuit
The buzzer output frequency is selected as follows.
BEEP0 ... 1 kHz/1.5 kHz/3 kHz/4 kHz
Figure 3-6. Block Diagram of Buzzer Output Control Circuit (BEEP0)
相關(guān)PDF資料
PDF描述
UPD178023GF 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
UPD23C128000BLGY-MJH 128M-BIT MASK-PROGRAMMABLE ROM 16M-WORD BY 8-BIT (BYTE MODE) / 8M-WORD BY 16-BIT (WORD MODE)
UPD23C128000BLGY-MKH 128M-BIT MASK-PROGRAMMABLE ROM 16M-WORD BY 8-BIT (BYTE MODE) / 8M-WORD BY 16-BIT (WORD MODE)
UPD23C128000BLGX-xxx 128M-BIT MASK-PROGRAMMABLE ROM 16M-WORD BY 8-BIT (BYTE MODE) / 8M-WORD BY 16-BIT (WORD MODE)
UPD23C128000BL 128M-BIT MASK-PROGRAMMABLE ROM 16M-WORD BY 8-BIT (BYTE MODE) / 8M-WORD BY 16-BIT (WORD MODE)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD178023GC 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
UPD178023GF 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
UPD178024 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
UPD178024GC 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER
UPD178024GC-051 制造商:NEC 制造商全稱:NEC 功能描述:8-BIT SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR AUTOMOTIVE FM/MW/LW RADIO WITH CD PLAYER
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