Details

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BUY MC908QB8CPE https://www.utsource.net/itm/p/12510473.html

Parameter	Description	Value	Unit
Part Number	Device Identifier	MC908QB8CPE	-
Package Type	Encapsulation Style	TSSOP-20	-
Operating Voltage (VCC)	Supply Voltage Range	2.7 to 5.5	V
Operating Temperature (TA)	Ambient Operating Temperature Range	-40 to +85	°C
Storage Temperature (TSTG)	Storage Temperature Range	-65 to +150	°C
Clock Frequency (fCY)	Maximum Clock Frequency	8	MHz
Flash Memory	Non-Volatile Program Memory Size	8	KB
RAM	Volatile Data Memory Size	512	B
EEPROM	Non-Volatile Data Memory Size	256	B
I/O Pins	Number of General Purpose Input/Output Pins	12	-
Analog-to-Digital Converter (ADC)	Number of ADC Channels	8	-
ADC Resolution	ADC Resolution	10-bit	-
Timer Modules	Number of Timer Modules	3	-
Serial Communication Interfaces (SCI)	Number of SCI Modules	1	-
Synchronous Serial Interface (SPI)	Number of SPI Modules	1	-
Inter-Integrated Circuit (I2C)	Number of I2C Modules	1	-
Interrupt Sources	Total Number of Interrupt Sources	14	-
Watchdog Timer (WDT)	Watchdog Timer Availability	Yes	-
Low-Voltage Detection (LVD)	Low-Voltage Detection Availability	Yes	-
Brown-Out Reset (BOR)	Brown-Out Reset Availability	Yes	-
Power-On Reset (POR)	Power-On Reset Availability	Yes	-
Programming Interface	In-Circuit Serial Programming (ICSP)	Yes	-

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (VCC) is within the specified range of 2.7 to 5.5V.
   • Connect the ground (GND) pin to a stable reference ground.

2. Clock Configuration:

   • The device supports an internal clock source. For external clock sources, connect an appropriate crystal or oscillator to the XIN and XOUT pins.

3. Memory Operations:

   • Flash memory can be programmed using the ICSP interface. Refer to the programming manual for specific details.
   • EEPROM data can be read and written during normal operation.

4. I/O Configuration:

   • Configure the I/O pins as inputs or outputs using the appropriate register settings.
   • Use pull-up or pull-down resistors as needed for input pins.

5. Peripheral Initialization:

   • Initialize the ADC, timers, and communication interfaces (SCI, SPI, I2C) by setting the corresponding control registers.
   • Enable interrupts if required by setting the interrupt enable bits.

6. Low-Power Modes:

   • Utilize low-power modes such as idle and stop to reduce power consumption.
   • Configure the watchdog timer (WDT) to prevent system lockup during low-power operation.

7. Reset Conditions:

   • Ensure that the brown-out reset (BOR) and power-on reset (POR) are enabled to prevent erratic behavior during power-up or low-voltage conditions.

8. Programming and Debugging:

   • Use a compatible programmer and development environment to write and debug your code.
   • Refer to the device datasheet and programming manual for detailed instructions on using the ICSP interface.

For more detailed information, refer to the official MC908QB8CPE datasheet and application notes provided by the manufacturer.

(For reference only)