{{refimprove, date=September 2014 Star_C6000

The MT6235 is a processor used in many Chinese cellular phones (eg.

ZTE ZTE Corporation is a Chinese partially state-owned technology company that specializes in telecommunication. Founded in 1985, ZTE is listed on both the Hong Kong and Shenzhen Stock Exchanges. ZTE's core business is wireless, exchange, opt ...

). It is a member of the MT62xx series of processors by

MediaTek MediaTek Inc. () is a Taiwanese fabless semiconductor company that provides chips for wireless communications, high-definition television, handheld mobile devices like smartphones and tablet computers, navigation systems, consumer multimedia ...

. MediaTek-based Chinese cell phones often come with features not common to North American phones, such as analog television viewing and recording. While these phones have vastly different builds and configurations, they all run Mediatek's proprietary

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also i ...

based on the

Nucleus RTOS Nucleus RTOS is a real-time operating system (RTOS) produced by the Embedded Software Division of Mentor Graphics, a Siemens Business, supporting 32- and 64-bit embedded system platforms. The operating system (OS) is designed for real-time embedd ...

. The MT6235 is a specialized processor design containing both an ARM926EJ-S RISC CPU running at frequencies between 26/52/104 and 208

MHz The hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s−1, meaning that one he ...

and a digital signal processor (DSP).

Subsystems

* Microcontroller Unit (MCU) Subsystem: includes an ARM926EJ-S RISC processor and its accompanying memory management and interrupt handling logics; * Digital Signal Processor (DSP) Subsystem: includes a DSP and its accompanying memory, memory controller, and interrupt controller; * MCU/DSP Interface: the junction at which the MCU and the DSP exchange hardware and software information; * Microcontroller Peripherals: includes all user interface modules and RF control interface modules; * Microcontroller Coprocessors: runs computing-intensive processes in place of the Microcontroller; * DSP Peripherals: hardware accelerators for GSM/GPRS/EDGE channel codec; * Multi-media Subsystem: integrates several advanced accelerators to support multi-media applications; * Voice Front End: the data path for converting analog speech to and from digital speech; * Audio Front End: the data path for converting stereo audio from an audio source; * Baseband Front End: the data path for converting a digital signal to and from an analog signal from the RF modules; * Timing Generator: generates the control signals related to the TDMA frame timing; and, * Power, Reset and Clock Subsystem: manages the power, reset, and clock distribution inside MT6235.

Sources

*http://ryan.com.br/smf/index.php?topic=481.75;wap2 *http://blog.csdn.net/sergeycao/archive/2008/08/26/2832568.aspx
MT6235 GSM GPRS Baseband Processor Data Sheet_1.02.pdf
*https://web.archive.org/web/20160215061959/http://www.mediatek.com/en/products/mobile-communications/feature-phone/mt6235/ Microcontrollers Digital signal processors