參數(shù)資料
型號(hào)： 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(yè)數(shù)： 20/56頁(yè)
文件大小： 261K
代理商： UPD178023
20
μ
PD178023, 178024
Data Sheet U14126EJ1V0DS00
3.2 Clock Generation Circuit
The instruction execution time can be changed as follows:
0.45
μ
s/0.89
μ
s/1.78
μ
s/3.56
μ
s/7.11
μ
s (system clock: 4.5-MHz crystal resonator)
Note
Figure 3-1. Block Diagram of Clock Generation Circuit
3.3 Timers
Four timer channels are provided.
Basic timer
8-bit timer/event counter
Watchdog timer
: 1 channel
: 2 channels
: 1 channel
Figure 3-2. Block Diagram of Basic Timer
System
clock
oscillator
X2
X1
STOP
0
0
0
0
PCC2 PCC1
Internal bus
Standby
control
circuit
2
f
X
2
2
f
X
2
3
f
X
2
4
f
X
Prescaler
Clock to other than
peripheral hardware
Prescaler
f
X
CPU clock
(f
CPU
)
Wait
control
circuit
Processor clock control register (PCC)
PCC0
3
S
0
Divider circuit
4.5 MHz
INTBTM0
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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*