Intel 80188Intel 80186的一個衍生版本,跟80186不同的是,它只有一半的外部資料匯流排(External Data Bus),由16位元減至8位元,以助減低成本。

Intel 80188
An Intel R80C188XL20, an LCC variant of the 80188 processor. It has a ceramic heat spreader and gold plated contacts on the bottom.
產品化1982至September 2007[1]
生产商
指令集架構x86-16
制作工艺/製程3 µm[3]
CPU主频范围6 MHz 至 25 MHz
CPU插座
封裝
上代產品Intel 8088
繼任產品Intel 80386 (The 80286 was also introduced in early 1982, and thus contemporary with the 80186)
相關產品Intel 80186

80188有四個16位元通用暫存器,亦可作為八個8位元暫存器。另外,它有十六個16位元的暫存器,包括:堆疊指標(Stack Pointer)、索引暫存器(Index registers)以及狀態暫存器(Status word register)。

8086一樣,它同有四個16位元位址暫存器以容許替64千位元組以上的記憶體給予位址。當超越16位元極限(即64KB)時,一個新的數值就會加入。這個位址系統可容許1百萬位元組(1 MBytes)的位址記憶體,但在當時這個數字是比一台電腦所需的記憶體高出很多。

  1. ^ [1].
  2. ^ [2].
  3. ^ WikiChip

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