[英]Is ATmega32 8-bit or 16-bit?
The cpu is 8-bit, because the general purpose registers are 8-bit registers. cpu是8位的,因为通用寄存器都是8位寄存器。
There are some 16-bit registers, eg, the stack pointer SP, and the program counter PC.有一些16位寄存器,例如堆栈指针SP和程序计数器PC。 But they have to be larger because the address space is more than 256 bytes long.但它们必须更大,因为地址空间超过 256 字节长。
We still say the cpu is 8-bit because the general purpose registers perform 8-bit operations.我们仍然说 cpu 是 8 位的,因为通用寄存器执行 8 位操作。
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