參數(shù)資料
型號: M38B79MFH-A055
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 76/109頁
文件大?。?/td> 1559K
代理商: M38B79MFH-A055
38B7 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
76
Power Dissipation Calculating Example 2
(2 or more digits turned ON at the same time)
(Fixed number depending on microcomputer
s standard)
V
OH
output fall voltage of high-breakdown port
2 V (max.); | Current value | = at 18 mA
Resistor value 43 V / 900
μ
s = 48 k
(min.)
Power dissipation of internal circuit (CPU, ROM, RAM etc.)
= 5 V
15 mA = 75 mW
(
Fixed number depending on use condition)
Apply voltage to V
EE
pin: Vcc
45 V
Timing number 11; digit number 12; segment number 24
Ratio of Toff time corresponding Tdisp time: 1/16
Turn ON segment number during repeat cycle: 114
All segment number during repeat cycle: 264 (= 11
24)
Total number of built-in resistor: for digit, 10; for segment, 22
Digit pin current value 18 (mA)
Segment pin current value 3 (mA)
(1) Digit pin power dissipation
{18
12
(1
1 / 16)
2} / 11 = 36.82 mW
(2) Segment pin power dissipation
{3
114
(1
1 / 16)
2} / 11 = 58.30 mW
(3) Pull-down resistor power dissipation (digit)
[{45
2}
2
/ 48
(12
10 / 12)
(1
1 / 16)] / 11 = 32.84 mW
(4) Pull-down resistor power dissipation (segment)
[{45
2}
2
/ 48
(114
22 / 24)
(1
1 / 16)] / 11 = 343.08 mW
(5) Internal circuit power dissipation (CPU, ROM, RAM etc.)
= 75 mW
(1) + (2)+ (3) + (4) + (5) = 547 mW
DIG0
DIG1
DIG2
DIG3
DIG7
DIG8
DIG9
Timing
number
1
2
3
4
5
6
7
8
9
10
11
DIG4
DIG5
DIG6
Tscan
Repeat cycle
Fig. 84 Digit timing waveform (2)
相關PDF資料
PDF描述
M38B79MFH-A055FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38B79MFH-A154FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38B79MFH-A157FP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38C13E6HP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38C24M6-051HP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
相關代理商/技術參數(shù)
參數(shù)描述
M38C13E6FP 功能描述:IC 740 MCU OTP 24K 64LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:740/38000 產(chǎn)品培訓模塊:MCU Product Line Introduction XMEGA Introduction AVR XMEGA USB Connectivity 標準包裝:90 系列:AVR® XMEGA 核心處理器:AVR 芯體尺寸:8/16-位 速度:32MHz 連通性:I²C,IrDA,SPI,UART/USART 外圍設備:欠壓檢測/復位,DMA,POR,PWM,WDT 輸入/輸出數(shù):50 程序存儲器容量:192KB(96K x 16) 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:16K x 8 電壓 - 電源 (Vcc/Vdd):1.6 V ~ 3.6 V 數(shù)據(jù)轉換器:A/D 16x12b; D/A 2x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:64-TQFP 包裝:托盤 配用:ATSTK600-RC14-ND - STK600 SOCKET/ADAPTER 64TQFPATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFPATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMRATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM
M38C13E6HP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38C13RLFS 制造商:Renesas Electronics Corporation 功能描述:EMULATION MCU/8BIT CMOS EMULATION CHIP - Bulk
M38C24M4-XXXFP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38C24M4-XXXHP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER