R6518
R6518 is One-Chip Microprocessor manufactured by Rockwell.
FEATURES
- Enhanced 6502 CPU
- Four new bit manipulation instructions: Set Memory Bit (SMB) Reset Memory Bit (RMB) Branch on Bit Set (BBS) Branch on Bit Reset (BBR)
- Decimal and binary arithmetic modes
- 13 addressing modes
- True indexing
- 192-byte static RAM
- 16 TTL-patible I/O lines
- One B-bit port with programmable latched input
- Two 16-bit programmable counter/timers, with latches
- Pulse width measurement
- Asymmetrical pulse generation
- Pulse generation
- Interval timer
- Event counter
- Retriggerable interval timer
- Serial port
- Full-duplex asynchronous operation mode
- Selectable 5- to B-bit characters
- Wake-up feature
- Synchronous shift register mode
- Standard programmable bit rates, programmable up to 62.5K bits/sec @ 1 MHz
- Ten interrupts
- Four edge-sensitive lines; two positive, two negative
- Reset
- Non-maskable
- Two counter underflows
- Serial data received
- Serial data...
