參數(shù)資料
型號(hào)： M37630E4FP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP44
封裝： 0.80 MM PITCH, PLASTIC, QFP-44
文件頁(yè)數(shù)： 35/48頁(yè)
文件大?。?/td> 563K
代理商： M37630E4FP
MITSUBISHI
ELECTRIC
40
MITSUBISHI MICROCOMPUTERS
7630 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
CLOCK GENERATING CIRCUIT
The 7630 group is equipped with an internal clock generating cir-
cuit.
Please refer to Fig. 46 for a circuit example using a ceramic resona-
tor or quartz crystal oscillator. For the capacitor values, refer to the
manufacturers recommended parameters which depend on each
oscillators characteristics. When using an external clock, input it to
the XIN pin and leave XOUT open.
Fig. 46
Ceramic resonator circuit
.
Oscillation Control
The 7630 group has two low power modes: the stop and the wait
mode.
Stop mode
The microcomputer enters the stop mode by executing the STP
instruction. The oscillator stops with the internal clock
φ at “H” level.
Timers 1 and 2 will be cascaded and initialized by their reload
latches contents. The count source for timer 1 will be set to
f(XIN)/16.
Oscillation is restarted if an external interrupt is accepted or at
reset. When using an external interrupt, the internal clock
φ remains
at “H” level until timer 2 underflows allowing a time-out until the
clock oscillation becomes stable. When using reset, a fixed time-out
will be generated allowing oscillation to stabilize.
Wait mode
The microcomputer enters the wait mode by executing the WIT
instruction. The internal clock stops at “H” level while the oscillator
keeps running.
Recovery from wait mode can be done in the same way as from
stop mode. However, the time-out period mentioned above is not
required to return from wait-mode, thus no such time-out mecha-
nism has been implemented.
Note: Set the interrupt enable bit of the interrupt source to be used
to return from stop or wait mode to “1” before executing STP or WIT
instruction.
Fig. 47
Block diagram of clock generating circuit
CIN
COUT
XIN
XOUT
WIT
STP
XIN
XOUT
1/2
1/4
CPUM6
interrupt request
interrupt disable flag
S
R
Q
RESET
delay
STP
D
T
Q
D
T
Q
R
S
Q
R
S
Q
R
S
Q
STP
P2
internal clock
for
peripherals
internal clock
for CPU
oscillator countdown
(timer 1 and 2)
2
φ
“1”
“0”
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37630E4FP#U3 功能描述:IC 7630 MCU OTP 44QFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/7600 產(chǎn)品培訓(xùn)模塊:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 標(biāo)準(zhǔn)包裝:1 系列:M16C™ M32C/80/87 核心處理器:M32C/80 芯體尺寸:16/32-位 速度:32MHz 連通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外圍設(shè)備:DMA，POR，PWM，WDT 輸入/輸出數(shù):121 程序存儲(chǔ)器容量:384KB（384K x 8） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:- RAM 容量:24K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 34x10b，D/A 2x8b 振蕩器型:內(nèi)部 工作溫度:-20°C ~ 85°C 封裝/外殼:144-LQFP 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87
M37630E4FS 功能描述:EPROM MCU/8BIT CMOS EMULATION CH RoHS:否 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 配件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 附件類(lèi)型:適配器板 適用于相關(guān)產(chǎn)品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE
M37630E4T-XXXFP 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37630E4T-XXXFS 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37630M4T 制造商:CMLMICRO 制造商全稱(chēng):CML Microcircuits 功能描述:Baseband Processor for ‘Leisure’ Radios with Data
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