C509-L
8-Bit CMOS Microcontroller
C509-L
Advance Information
• Full upward compatibility with SAB 80C517/80C517A and 8051/C501 microcontrollers
• 256 byte on-chip RAM
• 3K byte of on-chip XRAM
• 256 directly addressable bits
• 375 ns instruction cycle at 16-MHz oscillator frequency
• On-chip emulation support logic (Enhanced Hooks Technology TM)
• External program and data memory expandable up to 64 Kbyte each
• 8-bit A/D converter with 15 multiplexed inputs and built-in self calibration
• Two 16-bit timers/counters (8051 compatible)
• Three 16-bit timers/counters (can be used in combination with the compare/capture unit)
• Powerful compare/capture unit (CCU) with up to 29 high-speed or PWM output channels or 13
capture inputs
• Arithmetic unit for division, multiplication, shift and normalize operations
• Eight datapointers instead of one for indirect addressing of program and external data memory
(further features are on next page)
Figure 1
C509-L Functional Units
Semiconductor Group
1
09.96