M37221EASP Overview
The M37221M4H/M6H/M8H/MAH-XXXSP/FP are single-chip microputers designed with CMOS silicon gate technology. They have a OSD, I2C-BUS interface, and PWM, making them perfect for TV channel selection system. The M37221EASP/FP have a built-in PROM that can be written electrically.
M37221EASP Key Features
- Number
- 71 size ROM
- 0.5 µs (at 8 MHz oscillation frequency) -Power source voltage
- 14 types, 14 vectors -8-bit timers
- 4 -Programmable I/O ports (Ports P0, P1, P2, P30-P32 )
- 27 -Input ports (Ports P33, P34)
- 2 -Output ports (Ports P52-P55)
- 4 -LED drive ports
- 4 -Serial I/O
- 8-bit ✕ 1 channel -Multi-master I2C-BUS interface
