Details

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BUY MB81C79A-35P-SK https://www.utsource.net/itm/p/1400297.html
CMOS 256K-BIT HIGH-SPEED SRAM

Parameter	Description	Value	Unit
Device Type	CMOS 8-Bit Microcontroller
Package Type	DIP-40
Operating Voltage (VDD)	Supply Voltage	2.0 to 5.5	V
Operating Temperature	Junction Temperature Range	-40 to +85	掳C
Clock Frequency	Maximum Internal Clock Speed	35	MHz
Flash Memory	Program Memory Size	64	KB
RAM	Data Memory Size	2	KB
EEPROM	On-chip EEPROM Size	128	Bytes
I/O Pins	Number of Input/Output Pins	32
Timers	Number of Timer Channels	3
Communication Interfaces	Supported Serial Communication Protocols	UART, SPI, I2C
Interrupt Sources	Number of Interrupt Sources	14
Power Consumption	Active Mode Current	3.5	mA
Power Consumption	Low Power Mode Current	0.5	渭A

Instructions for MB81C79A-35P-SK

1. Power Supply Setup:

   • Ensure the supply voltage is within the range of 2.0V to 5.5V.
   • Connect the VSS pin to ground and VDD pin to the positive supply.

2. Clock Configuration:

   • The device supports an internal oscillator up to 35 MHz. For external crystal or clock input, refer to the specific section in the datasheet.

3. Programming:

   • Use an appropriate programmer compatible with the MB81C79A-35P-SK to load programs into the flash memory.
   • Follow the programming protocol specified in the datasheet for accurate data transfer.

4. Operating Environment:

   • Operate the microcontroller within the temperature range of -40掳C to +85掳C to ensure reliable performance.

5. Peripheral Configuration:

   • Configure the I/O pins, timers, and communication interfaces according to the application requirements using the initialization routines in your code.

6. Low Power Modes:

   • Utilize low power modes such as sleep or idle by configuring the relevant registers to reduce power consumption when not actively processing.

7. Interrupt Handling:

   • Set up interrupt vectors and enable interrupts as needed for responsive handling of events.

8. EEPROM Usage:

   • Access the on-chip EEPROM for storing non-volatile data, ensuring proper read/write cycles to avoid wear-out.

Note: Always refer to the official datasheet for detailed specifications and advanced configuration options.

(For reference only)