MSM66585 Overview
Description
MSM66585/586/587 are high-performance CMOS 16-bit microcontrollers that integrate a 16bit CPU, ROM, RAM, 8-bit A/D converter, serial port, timers, and PWM. They also allow ROM and RAM to be expanded externally.
Key Features
- Abandant addressing modes Register addressing Page addressing Pointer register indirect addressing Stack addressing Immediate addressing
- Minimum instruction cycle 100 ns at 20 MHz (4.5V-5.5V) 200 ns at 10 MHz (2.7V-5.5V)
- Data memory (RAM) Internal: 2 KB External: 1022 KB
- I/O ports Analog input-only port: 4 lines (test pins for M66585) Input/output port: Maximum 80 lines (40 lines with programmable pull-up)
- Timers Free-running counter: 16-bit ¥ 1 Realtime output: 16-bit ¥ 2 General autoreload timer: 8-bit ¥ 1
