1T 8051 MCU
Operating Voltage: 1.8V~5.5V
Flash ROM : 16KB
Data RAM : 256B + 768B
IO’s : 17
Timer : 4+RTC
Communication :Â UART x 2, SPI, TWI(I2C), STWI, LIN, CRC16
Package : TSSOP20
MG82F6D17AT20 TSSOP-20 MICROCONTROLLER
The MG82F6D17 is a single-chip microcontroller based on a high performance 1-T architecture 80C51 CPU that executes instructions in 1~7 clock cycles (about 6~7 times the rate of a standard 8051 device), and has an 8051 compatible instruction set. Therefore at the same performance as the standard 8051, the MG82F6D17 can operate at a much lower speed and thereby greatly reduce the power consumption.
The MG82F6D17 has 16K bytes of embedded Flash memory for code and data. The Flash memory can be programmed either in serial writer mode (via ICP, In-Circuit Programming) or in In-System Programming mode. And, it also provides the In-Application Programming (IAP) capability. ICP and ISP allow the user to download new code without removing the microcontroller from the actual end product; IAP means that the device can write non-volatile data in the Flash memory while the application program is running. There needs no external high voltage for programming due to its built-in charge-pumping circuitry.
The MG82F6D17 retains all features of the standard 80C52 with 256 bytes of scratch-pad RAM, two external interrupts, a multi-source 4-level interrupt controller, a serial port (UART0) and three timer/counters. In addition, the MG82F6D17 has17 I/O port pins, one XRAM of 768 bytes, one extra external interrupts with High/low trigger option, 800KHz 12-bit ADC, one 16-bit timer, one 8-channel PCA with dead-time controlled PWM, one 8-bit SPI, two TWI/ I2C (TWI0/ I2C0 and STWI/ SI2C), secondary serial port (UART1), keypad interrupt, Watchdog Timer, Real-Time-Clock module, two Brown-out Detectors, an ECKI external clock input (P6.0), an internal high precision oscillator (IHRCO), an on-chip
clock multiplier (CKM) to generate high speed clock source, an internal low speed RC oscillator (ILRCO) and an enhanced serial function in UART0 that facilitates multiprocessor communication, LIN bus mode and a speed improvement mechanism (X2/X4 mode). Support 3 different DMA transfer types, M2P (XRAM to Peripheral), P2M (Peripheral to XRAM) and P2P (Peripheral to Peripheral) to enhance transfer performance and reduce CPU loading
The MG82F6D17 has multiple operating modes to reduce the power consumption: idle mode, power down mode, slow mode, sub-clock mode, RTC mode, watch mode and monitor mode. In the Idle mode the CPU is frozen while the peripherals and the interrupt system are still operating. In the Power-Down mode the RAM and SFRs’ value are saved and all other functions are inoperative; most importantly, in the Power-down mode the device can be waked up by many interrupt or reset sources. In slow mode, the user can further reduce the power consumption by using the 8-bit system clock pre-scaler to slow down the operating speed. Or select sub-clock mode which clock source is derived from internal low speed oscillator (ILRCO) for CPU to perform an ultra-low speed operation. The RTC module supports Real-Time-Clock function in all operating modes. In watch mode, it keeps WDT running in power-down or idle mode and resumes CPU as an auto-wakeup timer when WDT overflows. Monitor mode provides the Brown-Out detection in power down mode and resumes CPU when chip VDD reaches the specific detection level.
Additionally, the MG82F6D17 is equipped with the Megawin proprietary On-Chip Debug (OCD) interface for In-Circuit Emulator (ICE). The OCD interface provides on-chip and in-system non-intrusive debugging without any target resource occupied. Several operations necessary for an ICE are supported such as Reset, Run, Stop, Step, Run to Cursor and Breakpoint Setting. The user has no need to prepare any development board during firmware developing or the socket adapter used in the traditional ICE probe head. All the thing the user needs to do is to prepare a connector for the dedicated OCD interface. This powerful feature makes the developing very easy for any user.
