Description

The M34282M2-302GP is an electronic component in the IC Chips product category. It belongs to the 4282 Group and enables the fabrication of an 8x7 key matrix. It has two timers - an 8-bit timer for setting each carrier wave with reload register, and an 8-bit timer for auto-control with a reload register.

Specifications and features

Number of basic instructions: 68
Minimum instruction execution time: 8.0 µs (at f(XIN) = 4.0 MHz, system clock = f(XIN)/8)
Supply voltage: 1.8 V to 3.6 V
Subroutine nesting: 4 levels
Timer 1: 8-bit timer with reload register and carrier wave output auto-control function
Timer 2: 8-bit timer with two reload registers and carrier wave output function
Logic operation function: XOR, OR, AND
RAM back-up function
Key-on wakeup function (ports D4-D7, E0-E2, G0-G3): 11
I/O port (ports D, E, G, CARR): 16
Oscillation circuit: Ceramic resonance
Watchdog timer
Power-on reset circuit
Voltage drop detection circuit (system reset): Typical: 1.50 V

Application Scenarios

The M34282M2-302GP is commonly used in various remote control transmitters.

Comparison