The document describes medical image processing technologies based on Huawei Ascend platform, including image segmentation, target detection, lesion recognition and classification prediction.
The EM78156E is an 8‑bit microcontroller built with low‑power, high‑speed CMOS technology. It integrates a watchdog timer, RAM, ROM, real‑time clock/counter, external interrupt, power‑down mode, and tri‑state I/O on a single chip.
The document details the device's features, package options, pin assignments, functional block diagram, register set, and electrical characteristics such as operating voltage, temperature range, frequency options, and power consumption.
| Operating voltage range | 2.3 V ~ 5.5 V |
|---|---|
| Operating temperature range | 0 °C ~ 70 °C |
| Crystal mode frequency (5 V) | up to 20 MHz |
| ERC mode frequency (any voltage) | up to 4 MHz |
| Typical current consumption at 5 V/4 MHz | < 1.6 mA |
| On‑chip ROM size | 1 K × 13 bits |
| On‑chip SRAM size | 48 × 8 bits |
| Bi‑directional I/O ports | 2 ports |
| Package options | 18‑pin DIP, 18‑pin SOP, 20‑pin SSOP |
The device operates from 2.3 V up to 5.5 V.
It provides two bi‑directional I/O ports.
The on‑chip ROM is 1 K × 13 bits.
The chip is offered in 18‑pin DIP, 18‑pin SOP (SOIC), and 20‑pin SSOP packages.