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參數(shù)資料
| 型號(hào)： | M37630E4FP |
| 元件分類： | 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 |
| 文件頁數(shù)： | 20/48頁 |
| 文件大?。?/td> | 563K |
| 代理商： | M37630E4FP |
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MITSUBISHI MICROCOMPUTERS
7630 Group
27
MITSUBISHI
ELECTRIC
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(2) Baud rate selection
The baud rate of transmission and reception is determined by the
setting of the prescaler and the contents of the UART baud rate
generator register. It is calculated by: where
p is the division ratio of
the prescaler and
n is the content of UART baud rate generator reg-
ister. The prescalers division ration can be selected by the UART
mode register (see below).
UART mode register (UMOD, Structure of UART
mode register)
The UART mode register allows to select the transmission and
reception format with the following options:
word length: 7, 8 or 9 bits
parity: none, odd or even
stop bits: 1 or 2
It allows to select the prescalers division ratio as well.
UART baud rate generator (UBRG)
This 8 bit register allows to select the baud rate of the UART (see
above). Set this register to the desired value before enabling recep-
tion or transmission.
UART control register (UCON, Structure of UART
control register)
The UART control register consists of four control bits (bit 0 to bit 3)
which allow to control reception and transmission.
UART status register (USTS, Structure of UART
status register)
The read-only UART status register consists of 7 bits (bit 0 to bit 6)
which indicate the operating status of the UART function and vari-
ous errors.
(3) Handshaking signals
When used as transmitter the UART will recognize the clear-to-
send signal via P27/UCTS terminal for handshaking. When used as
receiver it will issue a request-to-send signal through P26/URTS
pin.
Clear-to-send input
When used as a transmitter (transmit enable bit set to “1”), the
UART starts transmission after recognizing “L” level on P27/UCTS.
After started the UART will continue to transmit regardless of the
actual level of P27/UCTS or status of the transmit enable bit.
Request-to-send output
The UART controls the P26/URTS output according to the following
conditions.
Table 5: Output control conditions
Fig. 26
Block diagram of UART
b
φ
16 pn
1
+
()
-----------------------------------
=
Condition
P26/URTS
Receive enable bit is set to “1”
“L”
Reception completed during receive enable
bit set to “1”
Start bit (falling edge) detected
“H”
Receive enable bit is set to “0” before recep-
tion started
Hardware reset
Receive initialization bit is set to “1”
UMOD4,3,2
φ
1
1/8
1/32
1/256
UMOD2, 1
UBRG (8)
transmit shift register (9)
transmission
control circuit
reception control
circuit
P25/UTXD
P27/UCTS
P26/URTS
bit counter
UMOD7, 6
UART status register
transmit buffer empty flag
receive error flags
receive buffer full interrupt request
receive error interrupt request
P24/URXD
transmit buffer (9)
data bus
transmit buffer empty interrupt request
transmit register empty interrupt request
receive buffer full flag
transmit register empty flag
receive shift register (9)
receive buffer (9)
UART control register
“00”
“01”
“10”
“11”
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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 產(chǎn)品目錄頁面: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 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 附件類型: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:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37630E4T-XXXFS | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37630M4T | 制造商:CMLMICRO 制造商全稱:CML Microcircuits 功能描述:Baseband Processor for ‘Leisure’ Radios with Data |
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