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參數(shù)資料
| 型號(hào)： | M38D29FFHP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 6.25 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 28/138頁(yè) |
| 文件大?。?/td> | 2880K |
| 代理商： | M38D29FFHP |
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Rev.3.02
Apr 10, 2008
Page 121 of 131
REJ03B0177-0302
38D2 Group
Notes on Interrupts
1. Changing Related Register Settings
If the interrupt occurrence synchronized with the following
settings is not required, take the sequence shown below.
When selecting the external interrupt active edge
When selecting the interrupt source of the interrupt vector
address where two or more interrupt sources are allocated
Fig. 101 Sequence for setting related register
<Reason>
In the following cases, the interrupt request bit of the
corresponding interrupt may be set to “1”.
<When switching the external interrupt active edge>
INT0 interrupt edge selection bit
(bit 0 of interrupt edge selection register (address 003A16))
INT1 interrupt edge selection bit
(bit 1 of interrupt edge selection register)
INT2 interrupt edge selection bit
(bit 2 of interrupt edge selection register)
CNTR0 active edge switch bits
(bits 6 and 7 of timer X control register 1 (address 002E16))
CNTR1 active edge switch bit
(bits 6 of timer Y mode register (address 003816))
<When switching the interrupt source of the interrupt vector
address where two or more interrupt sources are allocated>
INT2/Key input interrupt switch bit
(bit 3 of interrupt edge selection register)
Timer Y/CNTR1 interrupt switch bit
(bit 4 of interrupt edge selection register)
2. Checking Interrupt Request Bit
To check the interrupt request bit with the BBC or BBS
instruction immediately after this bit is set to “0”, take the
following sequence.
<Reason>
If the BBC or BBS instruction is executed immediately after the
interrupt request bit is set to “0”, the bit value before being set to
“0” is read.
Fig. 102 Sequence for setting interrupt request bit
3. Setting Unused Interrupts
Set the interrupt enable bit of the unused interrupt to “0”
(disabled).
Set the interrupt edge selection bit (active edge
switch bit) or interrupt (source) selection bit.
NOP (one or more instructions)
Set the corresponding interrupt enable bit to
“0” (disabled).
Set the corresponding interrupt request bit to “0”
(no interrupt request).
Set the corresponding interrupt enable bit to “1”
(enabled).
NOP (one or more instructions)
Set the interrupt request bit to “0” (no interrupt)
Execute the BBC or BBS instruction
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38D29FFHP#U1 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38D29GFHP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38D29T2-RLFS-HP | 制造商:Renesas Electronics Corporation 功能描述: |
| M38D58G8FP#U0 | 功能描述:IC 740/38D5 MCU QZ-ROM 80QFP RoHS:是 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:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類(lèi)型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線(xiàn)） 包裝:帶卷 (TR) |
| M38D58G8HP#U0 | 功能描述:IC 740/38D5 MCU QZ-ROM 80LQFP RoHS:是 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:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類(lèi)型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線(xiàn)） 包裝:帶卷 (TR) |
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