8-Bit CMOS Microcontroller
C502
Preliminary
q Fully compatible to standard 8051 microcontroller
q Versions for 12 / 20 MHz operating frequency
q 16 K × 8 ROM (SAB-C502-2R only)
q 256 × 8 RAM
q 256 × 8 XRAM (additional on-chip RAM)
q Eight datapointers for indirect addressing of program and external data memory
(including XRAM)
q Four 8-bit ports
q Three 16 -bit Timers / Counters (Timer 2 with Up/Down Counter feature)
q USART with programmable 10-bit Baudrate-Generator
q Six interrupt sources, two priority levels
q Programmable 15-bit Watchdog Timer
q Oscillator Watchdog
q Fast Power On Reset
q Power Saving Modes
q P-DIP-40 package and P-LCC-44 package
q Temperature ranges: SAB-C502
SAF-C502
TA: 0 ˚C to 70 ˚C
TA: – 40 ˚C to 85 ˚C
SAB-C502
Semiconductor Group
1
08.94