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參數(shù)資料
| 型號(hào)： | 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)： | 112/140頁 |
| 文件大?。?/td> | 1694K |
| 代理商： | M37641F8FP |
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7641 Group
Rev.4.00
Aug 28, 2006
page 71 of 135
REJ03B0191-0400
(5) Low power dissipation mode
The low power dissipation operation can be realized by stopping
the main clock XIN when using f(XCIN) as the internal system
clock. To stop the main clock, set the Main Clock (XIN-XOUT)
Stop Bit of the CPU mode register A to “1”.
The low power dissipation operation can be realized by disabling
the reversed amplifier when inputting external clocks to the XIN
pin or XCIN pin. To disable the reversed amplifier, set the XCOUT
Oscillation Drive Disable Bit (CCR5) or XOUT Oscillation Drive
Disable Bit (CCR6) of the clock control register to “1”.
Oscillation Control
(1) Stop mode
If the STP instruction is executed, the internal clock
φ stops at “H”
level, and XIN and XCIN oscillators stop. Then the timer 1 is set to
“FF16” and the internal clock
φ divided by 8 is automatically se-
lected as its count source. Additionally, the timer 2 is set to “0116”
and the timer 1’s output is automatically selected as its count
source.
Set the Timer 1 and Timer 2 Interrupt Enable Bits to disabled (“0”)
before executing the STP instruction. When using an external in-
terrupt to release the stop mode, set the Interrupt Enable Bit to be
used to enabled (“1”) and the Interrupt Disable Flag (I) to “0”.
Oscillator restarts at reset or when an external interrupt including
USB resume interrupts is received, but the internal clock
φ re-
mains at “H” until the timer 2 underflows. The internal clock
φ is
supplied for the first time when the timer 2 underflows. Therefore
make sure not to set the Timer 1 Interrupt Request Bit and Timer
2 Interrupt Request Bit to “1” before the STP instruction stops the
oscillator.
(2) Wait mode
If the WIT instruction is executed, the internal clock
φ stops at “H”
level, but the oscillator does not stop. The internal clock
φ restarts
at reset or when an interrupt is received. Since the oscillator does
not stop, normal operation can be started immediately after the in-
ternal clock
φ is restarted.
Set the Interrupt Enable Bit to be used to release the wait mode to
enabled (“1”) and the Interrupt Disable Flag (I) to “0”.
Fig. 66 Structure of clock control register
Clock control register (address 001F16)
CCR
Reserved bits (“0” at read/write)
Fix to “0”.
XCOUT oscillation drive disable bit (CCR5)
0: XCOUT oscillation drive is enabled.
(When XCIN oscillation is enabled.)
1: XCOUT oscillation drive is disabled.
XOUT oscillation drive disable bit (CCR6)
0: XOUT oscillation drive is enabled.
(When XIN oscillation is enabled.)
1: XOUT oscillation drive is disabled.
XIN divider select bit (CCR7)
Valid when CPMA6, CPMA7 = “00”
0: f(XIN)/2 is used for the system clock.
1: f(XIN) is used for the system clock.
b0
b7
000 0 0
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)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(cè)/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:12KB（4K x 24） 程序存儲(chǔ)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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