A8259中文資料阿爾特數(shù)據(jù)手冊PDF規(guī)格書
A8259規(guī)格書詳情
General Description
The Altera? a8259 MegaCore? function is a programmable interrupt controller. The a8259 can be initialized by the microprocessor through eight data bus lines (din[7..0] and dout[7..0]), and the ncs, nrd, nwr, int, and ninta control signals. Figure 1 shows the symbol for the a8259.
特性 Features
■ Optimized for FLEX? and MAX? architectures
■ Offers eight levels of individually maskable interrupts
■ Expandable to 64 interrupts
■ Offers a flexible priority resolution scheme
■ Provides programmable interrupt modes and vectors
■ Uses approximately 399 logic elements (LEs) in FLEX devices
■ Functionally based on the Intel 8259 device, except as noted in the “Variations & Clarifications” section on page 79
產(chǎn)品屬性
- 型號：
A8259
- 制造商：
ALTERA
- 制造商全稱：
Altera Corporation
- 功能描述：
PROGRAMMABLE INTERRUPT CONTROLLER
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
PHI |
17+ |
QFN |
9988 |
只做原裝進口,自己庫存 |
詢價 | ||
恩XP |
10+ |
QFN |
6000 |
絕對原裝自己現(xiàn)貨 |
詢價 | ||
ALTERA/阿爾特拉 |
23+ |
10000 |
原廠授權(quán)代理,海外優(yōu)勢訂貨渠道。可提供大量庫存,詳 |
詢價 | |||
INTEL |
2447 |
PGA |
100500 |
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價 | ||
INTEL |
2308+ |
PGA |
4862 |
只做進口原裝!假一賠百!自己庫存價優(yōu)! |
詢價 | ||
恩XP |
20+ |
QFN |
15 |
現(xiàn)貨很近!原廠很遠!只做原裝 |
詢價 | ||
PHI |
24+ |
QFN32 |
7621 |
詢價 | |||
PHI |
2450+ |
QFN32 |
6540 |
只做原廠原裝正品終端客戶免費申請樣品 |
詢價 | ||
ALTERA |
23+ |
原廠原包 |
19960 |
只做進口原裝 終端工廠免費送樣 |
詢價 | ||
恩XP |
2022+ |
QFN |
30000 |
進口原裝現(xiàn)貨供應(yīng),原裝 假一罰十 |
詢價 |
