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参数资料
| 型号： | M38049FFLSP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PDIP64 |
| 封装： | 17 X 56.40 MM, 1.78 MM HEIGHT, PLASTIC, SDIP-64 |
| 文件页数： | 14/129页 |
| 文件大小： | 1721K |
| 代理商： | M38049FFLSP |
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Rev.1.00
Oct 27, 2008
Page 110 of 128
REJ03B0266-0100
3804 Group (Spec.L)
Notes on Interrupts
1. Change of relevant register settings
When the setting of the following registers or bits is changed, the
interrupt request bit may be set to “1”. When not requiring the
interrupt occurrence synchronized with these setting, take the
following sequence.
Interrupt edge selection register (address 003A16)
Timer XY mode register (address 002316)
Timer Z mode register (address 002A16)
Set the above listed registers or bits as the following sequence.
Fig. 109 Sequence of changing relevant register
<Reason>
When setting the followings, the interrupt request bit may be set
to “1”.
When setting external interrupt active edge
Concerned register: Interrupt edge selection register
(address 003A16)
Timer XY mode register (address 002316)
Timer Z mode register (address 002A16)
When switching interrupt sources of an interrupt vector
address where two or more interrupt sources are allocated.
Concerned register: Interrupt source selection register
(address 003916)
2. Check of interrupt request bit
When executing the BBC or BBS instruction to an interrupt
request bit of an interrupt request register immediately after this
bit is set to “0”, execute one or more instructions before
executing the BBC or BBS instruction.
Fig. 110 Sequence of check of interrupt request bit
<Reason>
If the BBC or BBS instruction is executed immediately after an
interrupt request bit of an interrupt request register is cleared to
“0”, the value of the interrupt request bit before being cleared to
“0” is read.
Set the interrupt edge select bit (active edge switch bit)
or the interrupt (source) select bit to “1”.
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 issued).
Set the corresponding interrupt enable bit to “1” (enabled).
NOP (one or more instructions)
Clear the interrupt request bit to “0” (no interrupt issued)
Execute the BBC or BBS instruction
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相关代理商/技术参数 |
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|---|---|
| M38049RLSS | 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 类别:编程器，开发系统 >> 内电路编程器、仿真器以及调试器 系列:- 产品变化通告:Development Systems Discontinuation 19/Jul/2010 标准包装:1 系列:* 类型:* 适用于相关产品:* 所含物品:* |
| M3806 | 功能描述:电缆固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 类型:Cable Grips, Liquid Tight 材料:Nylon 颜色:Black 安装方法:Cable 最大光束直径:11.4 mm 抗拉强度: |
| M3806 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000' |
| M3806 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 500' |
| M3806 BK005 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 100' |
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