Intel 4040

一顆Intel 4040處理器

4040是美國英特爾公司 (Intel) 的一款微處理器,它是Intel 4004的加強版,於1974年推出。它分为P系列和D系列。

4040的新增指令有中斷(Interrupt)和單步(Single Step)。并支持低功耗待机功能。

此外,它的指令集增至60個,程式記憶體(Program memory)增至8KB(13比特地址空间),資料儲存器(register)增至24個,子程式堆棧(Subroutine stack)增至7層。

4040也支援不少当时新增的晶片。

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