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參數(shù)資料
| 型號： | M37641F8FP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 20 MM, 0.80 MM, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 85/140頁 |
| 文件大小： | 1694K |
| 代理商： | M37641F8FP |
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7641 Group
Rev.4.00
Aug 28, 2006
page 47 of 135
REJ03B0191-0400
The USB suspend detect signal flag goes to “0” when the USB re-
sume signal detect flag (RESUME) is set to “1”. During suspend
mode, if the clock operation is started up with a process (remote
wake-up) other than the resume interrupt process (for example;
reset or timer), make sure to clear the USB suspend detect signal
flag to “0” when you set the USB remote wake-up bit to “1”. When
the USB FCU is in suspend mode and detects a non-idle signal on
the D+/D- line, the USB resume detect flag and the USB resume
signal interrupt status flag both go to “1” and a resume interrupt
request occurs. At this point, pull the internal registers (A, X, Y) in
this interrupt process routine. Take the following procedure in the
USB resume interrupt process.
(1) Set the USB line driver current control bit to “0”. (When operat-
ing at Vcc = 3.3 V, this bit does not need to be set.)
(2) Set the frequency synthesizer enable bit to “1” and set a 2 ms
to 5 ms wait.
(3) Check the frequency synthesizer lock status bit. If “0”, it must
be checked again after a 0.1 ms wait.
(4) Enable the USB clock.
Fig. 37 Structure of USB control register
USB control register (address 001316)
USBC
Reserved bit (“0” at read/write)
USB default state selection bit (USBC1)
0: In default state after power-on/reset
1: In default state after USB reset signal received
USB artificial SOF enable bit (USBC2)
0: Artificial SOF disabled
1: Artificial SOF enabled
USB line driver current control bit (USBC3)
0: High current mode
1: Low current mode
USB line driver supply enable bit (USBC4) (Note 1)
0: Line driver disabled
1: Line driver enabled
USB clock enable bit (USBC5)
0: 48 MHz clock to the USB block disabled
1: 48 MHz clock to the USB block enabled
USB SOF port select bit (USBC6)
0: SOF output disabled
1: SOF output enabled
USB enable bit (USBC7)
0: USB block disabled (Note 2)
1: USB block enabled
Notes 1: When using the MCU in Vcc = 3.3 V, set this bit to “0” and disable the built-in DC-DC converter
2: Setting this bit to 0” causes the contents of all USB registers to have the values at reset.
b0
b7
0
Set the USB resume signal interrupt status flag to “0” after the
wake-up sequence process. The USB resume detect flag goes to
“0” at the same time. When the clock operation is started up with
a remote wake-up, set the USB remote wake-up bit to “1” after the
wake-up sequence process. (keep it set to “1” for a minimum of 10
ms and maximum of 15 ms). By doing this, the MCU will send a
resume signal to the host CPU and let it know that the suspend
state has been released.
After that, set the USB remote wake-up bit and the USB suspend
detection flag to “0”, because the USB suspend detection flag is
not automatically cleared to “0” with a remote wake-up.
[USB Control Register] USBC
When using the USB function, the USB enable bit must be set to
“1”. The USB line driver supply bit must be set to “0” (DC-DC con-
verter is disabled) when operating at Vcc = 3.3V. In this condition,
the setting of the USB line driver current control bit has no effect
on USB operations.
When the USB artificial SOF enable bit is set to “1”, the MCU
judges that a SOF packet is received within 250 ns from a frame
starting if an SOF packet is destroyed owing to some cause.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37641F8FP#U0 | 功能描述:IC 740 MCU FLASH 32K 80QFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/7600 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲器容量:40KB（20K x 16） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| M37641F8HP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37641F8HP#U0 | 功能描述:IC 740 MCU FLASH 32K 80LQFP 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:Graphics LCD System and PIC24 Interface Asynchronous Stimulus 標(biāo)準(zhǔn)包裝:27 系列:PIC® 24H 核心處理器:PIC 芯體尺寸:16-位 速度:40 MIP 連通性:I²C，SPI，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):21 程序存儲器容量:12KB（4K x 24） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):3 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x10b/12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 包裝:管件 產(chǎn)品目錄頁面:648 (CN2011-ZH PDF) 配用:AC164339-ND - MODULE SKT FOR PM3 28SOICDV164033-ND - KIT START EXPLORER 16 MPLAB ICD2 |
| M37641F8M8-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37641F8-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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