TMS7700 is a family of CMOS and NMOS 8-bit microcontrollers.
The family consisted of a few different variations of the chip: without
on-chip ROM, with 2 Kb and 4 KB ROM, and with either 128 or 256 bytes of RAM.
The TMS 7000 microcontrollers could have up to 3 on-chip timers,
serial port, and 32 I/O lines (4 ports). CMOS version of the TMS7700 also
included low-power features. There were two different
prototyping chips for this family: TMS77x2 with 4 KB or 8 KB on-chip EPROM,
and SE70P16x with piggyback socket for external EPROM.
The TMS7700 microcontrollers could work in single-chip mode as well
as in 2 different expanded modes and in a microprocessor mode.
The TMS7000 family was replaced with TMS370 microcontroller family.
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