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| 型號(hào)： | M38037M6H-XXXSP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-64 |
| 文件頁(yè)數(shù)： | 24/117頁(yè) |
| 文件大?。?/td> | 1873K |
| 代理商： | M38037M6H-XXXSP |
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Rev.3.11
Apr 5, 2006
Page 14 of 113
REJ03B0017-0311
3803 Group (Spec.H)
MISRG
(1) Bit 0 of address 001016: Oscillation stabilizing time
set after STP instruction released bit
When the MCU stops the clock oscillation by the STP instruction
and the STP instruction has been released by an external
interrupt source, usually, the fixed values of Timer 1 and
Prescaler 12 (Timer 1 = 0116, Prescaler 12 = FF16) are
automatically reloaded in order for the oscillation to stabilize.
The user can inhibit the automatic setting by setting “1” to bit 0
of MISRG (address 001016).
However, by setting this bit to “1”, the previous values, set just
before the STP instruction was executed, will remain in Timer 1
and Prescaler 12. Therefore, you will need to set an appropriate
value to each register, in accordance with the oscillation
stabilizing time, before executing the STP instruction.
Figure.10 shows the structure of MISRG.
(2) Bits 1, 2, 3 of address 001016: Middle-speed Mode
Automatic Switch Function
In order to switch the clock mode of an MCU which has a sub-
clock, the following procedure is necessary:
set CPU mode register (003B16) --> start main clock oscillation
--> wait for oscillation stabilization --> switch to middle-speed
mode (or high-speed mode).
However, the 3803 group (Spec.H) has the built-in function
which automatically switches from low to middle-speed mode by
program.
Middle-speed mode automatic switch by program
The middle-speed mode can also be automatically switched by
program while operating in low-speed mode. By setting the
middle-speed automatic switch start bit (bit 3) of MISRG
(address 001016) to “1” in the condition that the middle-speed
mode automatic switch set bit is “1” while operating in low-
speed mode, the MCU will automatically switch to middle-speed
mode. In this case, the oscillation stabilizing time of the main
clock can be selected by the middle-speed automatic switch wait
time set bit (bit 2) of MISRG (address 001016).
Fig 10. Structure of MISRG
MISRG
(MISRG: address 001016)
b7
b0
Oscillation stabilizing time set after STP instruction
released bit
0 : Automatically set “0116” to Timer 1, “FF16” to
Prescaler 12
1 : Automatically set disabled
Middle-speed mode automatic switch set bit
0 : Not set automatically
1 : Automatic switching enabled(1)
Middle-speed mode automatic switch wait time set bit
0 : 4.5 to 5.5 machine cycles
1 : 6.5 to 7.5 machine cycles
Middle-speed mode automatic switch start bit
(Depending on program)
0 : Invalid
1 : Automatic switch start(1)
Not used (return “0” when read)
(Do not write “1” to this bit)
Note 1 : When automatic switch to middle-speed mode from low-speed mode occurs,
the values of CPU mode register (3B16) change.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38037M8108F | 制造商:Panasonic Industrial Company 功能描述:IC |
| M38037M8H-194HP#U0 | 制造商:Renesas Electronics Corporation 功能描述:8BIT CISC - Trays |
| M38039FFHFP#U0 | 功能描述:IC 740 MCU FLASH 60K 64QFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 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 |
| M38039FFHHP | 功能描述:MCU 3/5V 56K+4K 64-LQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 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(lèi)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(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| M38039FFH-HP#U | 制造商:Renesas Electronics Corporation 功能描述:8BIT 740 CISC 56KB FLASH 16.8MHZ 3.3/5V - Trays |
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