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Q67120-C889

8-Bit CMOS Microcontroller

Infineon Technologies 

C502

The SAB-C502-L/C502-2R described in this document is compatible with the SAB 80C52 and can

be used for all present SAB 80C52 applications.

The SAB-C502-2R contains a non-volatile 16 K × 8 read-only program memory, a volatile 256 × 8

read/write data memory, four ports, three 16-bit timers/counters, a six source, two priority level

interrupt structure, a serial port and versatile fail save mechanisms. The SAB-C502-L/C502-2R

incorporates 256 × 8 additional on-chip RAM called XRAM. For higher performance eight

datapointers are implemented. The SAB-C502-L is identical, except that it lacks the program

memory on chip. Therefore the term SAB-C502 refers to both versions within this specification

unless otherwise noted.

Semiconductor Group

2

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