题目内容
STC series microcontroller is 8051 core microcontroller.
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Compared with AT89S51, AT89S52 has 4KB more flash program memory, 128B more RAM, one interrupt source and one timer (with capture function).
MCU is a kind of CPU.
AT89S52 is a microprocessor.
The flash program memory of AT89S51 can be written online (ISP), but AT89C52 can't.
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