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Main application processor with integrated graphics and memory interfaces.
Radio frequency component handling cellular and wireless communications.
Integrated circuits managing power distribution for various system components.
Module providing Wi-Fi, Bluetooth, and GPS capabilities.
High-efficiency buck converter for supplying multiple voltage rails with dynamic control.
Detailed connections and power considerations for the RF transceiver's operation.
Circuits for different frequency bands including filters and matching networks.
Switches for routing RF signals to different antennas and frequency bands.
RF receive paths for various cellular bands and 2G PA input.
Switches used in diversity receive paths across multiple cellular bands.
Main application processor with integrated graphics and memory interfaces.
Radio frequency component handling cellular and wireless communications.
Integrated circuits managing power distribution for various system components.
Module providing Wi-Fi, Bluetooth, and GPS capabilities.
High-efficiency buck converter for supplying multiple voltage rails with dynamic control.
Detailed connections and power considerations for the RF transceiver's operation.
Circuits for different frequency bands including filters and matching networks.
Switches for routing RF signals to different antennas and frequency bands.
RF receive paths for various cellular bands and 2G PA input.
Switches used in diversity receive paths across multiple cellular bands.
This document outlines the design and functional overview of a device powered by the MT6795 system-on-chip (SoC), integrating various peripheral components and power management units. The device architecture is designed for a comprehensive mobile experience, encompassing communication, multimedia, sensor interaction, and robust power delivery.
The core of the device is the MT6795 SoC, which manages all primary processing tasks, including application execution, memory operations, and peripheral control. It interfaces with an eMMC for mass storage and supports micro SD cards for expandable memory, providing flexibility for user data and system files. Debugging capabilities are integrated through JTAG and UART ports, essential for development and troubleshooting.
Communication functionalities are extensive, featuring the MT6169 (LWG+LTG) for radio frequency (RF) operations, supporting various cellular bands for global connectivity. This includes 2G, 3G, and 4G (LTE) capabilities, with dedicated transmit (TX) and receive (RX) paths. The RF front-end (FEM) and antenna configurations are designed to optimize signal integrity and performance across different frequency bands. The device also incorporates the MT6630 for wireless connectivity, including Wi-Fi (2.4G, 5G, 11ac), Bluetooth, and GPS, enabling seamless data transfer, navigation, and accessory pairing. A dedicated TCXO (Temperature Compensated Crystal Oscillator) provides precise timing for RF and other critical operations.
Multimedia capabilities are robust, with support for LCD displays via a MIPI DSI interface, complemented by backlight and SV bias drivers (KTD3116, KTD2151). Camera functionalities are handled through MIPI CSI interfaces, supporting both main and sub-cameras, with I2C control for camera modules. Audio processing is managed by an audio interface (AUD IF) that supports various input and output paths, including headphones, microphones (main and secondary), and a speaker. A dedicated audio PA (Power Amplifier) enhances speaker output.
Sensor integration is comprehensive, including MEMS (Micro-Electro-Mechanical Systems) for motion sensing, ALS/PS (Ambient Light Sensor/Proximity Sensor) for display adjustments, Gyro and MAG (Magnetometer) for orientation and compass functions, and a FingerPrint Sensor for biometric authentication. These sensors are typically interfaced via I2C or SPI.
Power management is a critical aspect, handled by the MT6331 and MT6332 power management units (PMUs), along with a 4-phase buck converter (MT6312) for efficient voltage regulation. These PMUs provide various regulated voltages (VGPU, VCORE, VIO18, VPA, VDRAM, VRF18) to the SoC and other components, ensuring stable operation and optimizing power consumption. Battery charging is managed by a dedicated charger/PP circuit, supporting micro USB input.
User interaction is facilitated through a keypad, side keys, and a vibrator for haptic feedback. LEDs are integrated for status indications, including a flash LED for camera and a blink LED driver for RGB LEDs. A CTP (Capacitive Touch Panel) interface is also present, likely for touch screen functionality.
The device is designed for a wide range of applications, from basic communication to advanced multimedia and sensor-driven tasks.
The design incorporates several features that facilitate maintenance, debugging, and potential upgrades.
General| Announced | 2015, November |
|---|---|
| Technology | GSM / HSPA / LTE |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 |
| GPRS | Yes |
| EDGE | Yes |
| Dimensions | 150 x 76 x 8.7 mm (5.91 x 2.99 x 0.34 in) |
| Weight | 164 g (5.78 oz) |
| SIM | Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) |
| Internal storage | 16GB 2GB RAM, 32GB 3GB RAM |
| Selfie Camera | 5 MP, f/2.0 |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Infrared port | Yes |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Speed | HSPA, LTE |
| Display type | IPS LCD |
| Display size | 5.5 inches (~72.4% screen-to-body ratio) |
| Display resolution | 1080 x 1920 pixels (~403 ppi density) |
| Protection | Corning Gorilla Glass |
| OS | Android 5.1.1 (Lollipop), MIUI 7 |
| Main Camera Features | Dual-LED flash, HDR, panorama |
| Main Camera Video | 1080p@30fps |
| Bluetooth | 4.1, A2DP |
| Battery | Li-Po 4000 mAh, non-removable |
| Colors | Silver, Gold |
| 4G bands | 1, 3, 7, 38, 39, 40, 41 |
