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參數資料
| 型號： | FMS7401LEN14 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Digital Power Controller |
| 中文描述： | 8-BIT, EEPROM, 2.04 MHz, MICROCONTROLLER, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數： | 49/80頁 |
| 文件大小： | 1535K |
| 代理商： | FMS7401LEN14 |
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PRODUCT SPECIFICATION
FMS7401/7401L
REV. 1.0.2 6/23/04
49
Carry/Borrow (C)
The carry flag is set if the arithmetic logic unit (ALU) performs a carry or borrows during an arithmetic operation and by its
special inherent instructions—set carry (SC), load carry (LDC) and invert carry (INVC). The rotate instructions—rotate right/
left through carry (RRC/RLC)—operate with and through the carry bit to facilitate multiple-word shift operations. The RC,
SC, INVC, LDC and STC (store carry) instructions facilitate direct bit manipulation using the carry flag.
Half Carry (H)
The half carry flag indicates whether an overflow has taken place on the boundary between the two nibbles in the accumulator.
It is primarily used for Binary Coded Decimal (BCD) arithmetic calculation. The RC and SC instructions facilitate direct bit
manipulation of the half carry flag.
Zero (Z)
The zero flag is set if the result of an arithmetic, logic, or data manipulation operation is zero. Otherwise, the zero flag is
cleared.
Negative (N)
The result from an arithmetic, logic, or data manipulation operation is negative if the MSB is one, therefore setting the negative
flag. Otherwise, the negative flag is cleared.
Global Interrupt Mask (G)
The global interrupt bit (G) is a global mask that disables all maskable interrupt sources. If G is cleared, interrupts can become
pending but the operation of the core continues uninterrupted (even if the individual interrupts are enabled). However, if G is
set when an interrupt becomes pending the core will be interrupted and execute the appropriate interrupt service routine.
After a reset, G is defaulted to zero and can only be set by a software instruction. When an interrupt is recognized, G is auto-
matically cleared after the program counter value is stacked and the interrupt vector addressing the interrupt service routine is
fetched. Once the interrupt is serviced, a return-from-interrupt (RETI) instruction is normally executed to restore the program
counter to the value before the interrupt occurred. G is the restored to one after the return from interrupt is executed. Although
G can be set within an interrupt service routine, “nesting” interrupts in this way should only be done when there is a clear
understanding of latency and of the arbitration mechanism.
Table 23. Interrupt Priority Sequence
Priority (5 highest, 1 lowest)
Interrupt
5
Software
(INTR)
4
MIW
(EDGEI)
3
Timer 0
(TMRI0)
2
PWM Timer 1
(TMRI1)
1
ADC
(ADCI)
相關PDF資料 |
PDF描述 |
|---|---|
| FMS7401LVN | Digital Power Controller |
| FMS7401LVN14 | Digital Power Controller |
| FMS7G10US60S | SWTCH ROLLER SPDT 20A SCRW TERM |
| FMS7G10US60 | SWTCH ROLLER SPDT 20A SOLD TERM |
| FMS7G15US60S | SWTCH LEVER SPDT 20A SCREW TERM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FMS7401LEN14_Q | 功能描述:處理器 - 專門應用 Int Controller for Ballast RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數據總線寬度:32 bit 最大時鐘頻率:1 GHz 指令/數據緩存: 數據 RAM 大小:128 KB 數據 ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| FMS7401LVN | 功能描述:處理器 - 專門應用 Int Controller for Ballast RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數據總線寬度:32 bit 最大時鐘頻率:1 GHz 指令/數據緩存: 數據 RAM 大小:128 KB 數據 ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風格:SMD/SMT 封裝 / 箱體:MAPBGA-432 |
| FMS7401LVN14 | 功能描述:8位微控制器 -MCU Int Controller for Ballast RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| FMS7401LVN14_Q | 功能描述:8位微控制器 -MCU Int Controller for Ballast RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| FMS75X6 | 功能描述:MAGENTIC STRIP .75" X 6' RoHS:否 類別:線纜，導線 - 管理 >> 線槽，走線系統 - 附件 系列:- 標準包裝:1 系列:PANDUCT® 附件類型:蓋 - 線管 適用于相關產品:Panduit 導管 H 型 高度:- 寬:4"（101.6mm） 長度:36.0"（914.4mm） 顏色:黑 其它名稱:298-HC4BL36 |
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