Description

The M34282M1-E28GP is an electronic component model in the IC Chips product category. It belongs to the 4282 Group, which enables the fabrication of an 8 × 7 key matrix. The component features two timers: an 8-bit timer for setting each carrier wave, and an 8-bit timer for auto-control. It has a reload register and a carrier wave output function.

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 a 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 M34282M1-E28GP is commonly used in various remote control transmitters.

Comparison