SPCP758A
Low Power MCU with MTP and DC-to-DC Converter ??The Ultimate Efficiency Solution for Single-Battery Wireless Devices
General Description
The SPCP758A is a highly-integrated, ultra-low-power MCU specifically engineered by SunplusIT for the next generation of wireless applications. Featuring a built-in DC-DC converter, this chip is the premier choice for 2.4G RF Mice and other battery-operated appliances that require long-lasting performance from a single battery cell.
The SPCP758A is designed to be the heart of energy-sensitive wireless devices. It is powered by a high-efficiency 8-bit SunplusIT CPU core and supported by 8K bytes of Multi-Time Programmable (MTP) Memory for flexible firmware updates.
The standout feature of the SPCP758A is its integrated DC/DC converter. This allows the device to operate efficiently on a single battery (as low as 0.9V), significantly reducing the physical size of the end product and the cost of the Power Management Unit (PMU). It is the perfect engine for compact, long-endurance wireless peripherals.
DC-DC & Wide Voltage
Built-in DC/DC and LDO, 0.9V??.6V operation; single or dual-battery support, up to 40mA external supply.
8-bit Core & MTP
12MHz CPU, 8K bytes MTP ROM, 256 bytes RAM; option bytes loaded at Power-On Reset.
Timers & Dual SPI
14-bit and 8-bit timers, input capture; SPI0/SPI1 up to 3M bps, flexible GPIO mapping.
Key Features
Advanced Power Management
- check_circle Built-in DC/DC & LDO: Wide operating range, single-battery or dual-battery serial.
- check_circle External Supply: Up to 40mA to power external devices (e.g. RF sensors).
- check_circle Operating Voltage: 0.9V to 3.6V, ideal for alkaline or rechargeable batteries.
Performance & Memory
- check_circle Efficient CPU: 8-bit core, max 12MHz clock rate.
- check_circle Flexible Storage: 8K bytes MTP Memory and 256 bytes RAM.
- check_circle Option Bytes: Configuration loaded from MTP at Power-On Reset.
Versatile Timers & Capture
- check_circle Dual Timers: 14-bit free-running timer and 8-bit re-loadable timer (cascadable to 16-bit).
- check_circle Input Capture: Two registers with selectable edge triggering for pulse/period measurement.
Dual SPI Interfaces
- check_circle SPI0: Full/Half-duplex master or slave, up to 3M bps.
- check_circle SPI1: Slave mode, 16-byte TX/RX FIFO for high-speed bursts.
- check_circle Both SPIs can be mapped to different GPIOs for PCB routing.
Ultra-Low Power Saving
- check_circle Multiple Sleep Modes: Stop, Wait, and Fast Wait for maximum energy conservation.
- check_circle Dual Internal Oscillators: 12MHz for high-speed tasks; 5KHz R-Oscillator for ultra-low-power scheduling and wakeups.
Technical Specifications
| Parameter | Specifications |
|---|---|
| Operating Voltage | 0.9V - 3.6V (Ideal for Single Battery) |
| CPU Speed | 12 MHz |
| Program Memory | 8K Bytes MTP ROM |
| SRAM | 256 Bytes |
| Built-in DC/DC | Yes (Supports up to 40mA Out) |
| Clock Accuracy | ±5% (Internal R-Osc) |
| GPIO Count | Up to 25 Pins (QFN32) |
| Package Options | QFN32 / SSOP28 |
Main Applications
- mouse 2.4G Wireless RF Mice
- battery_full Single-Battery Wireless Peripherals
- devices Portable Battery-Powered Appliances
- remote_gen Remote Control Units