28Pins Micrcontroller to recommend ?

[ayeong]

pic 28pins

Hi Folks,

I'm wondering do you folks have any 28 pins microcontroller to recommend ?

Basically, some of the requirements will be as follow :

- Digital Input = 7
- Digital Output = 6
- PWM = 2
- ADC = 3 channel
- support on board programming (Flash based)
- preferably to have some amount of EEPROM for setting storage
- 1 x WDT
- 1 to 2 timers
- Brown out detection
- lead free package
- working voltage to be around 3.3V

So far the following is my finding :

MicroChip
PIC16LF 873A, 874A, 876A, 877A
PIC18LF 252, 258, 2320

Texas Instrument
MSP430F1222 & MSP430F1232

Zilog
Z8F0422SJ020SC & Z8F0822SJ020SC

STMicro Electronics
ST52F513G2M6, ST52F514G1M6, ST72262G1

Renesas
R5F21102FP

Atmel
ATmega48, ATmega8L & T89C5115

Thanks

 

[ME]

free atmega8 28pin, mcu based avr programmer

Have a look at Atmel AVR too.
AVR is 8-bit Flash based microntrollers and are somewhat similar to MCU's like Microchip PIC in many ways.
AVR's are some of the fastest 8-bit microcontroller available.
Here's the Atmel AVR selection table:
**broken link removed**
And another parametric table: **broken link removed**

Try for example to have a look at the brand new ATmega48 / ATmega88 / ATmega168 AVR's. They replace ATmega8(L).
I have used ATmega8L before and it is avaiable in both 32- and 28-pin packages.
These MCU's fulfill all your listed requirements.
ATmega48/88/168 Data sheet: **broken link removed**
Atmel Lead Free Policy (page 6): **broken link removed**

Here is the best resource for everything about AVR: www.avrfreaks.com

Atmel and a lot of other different manufacturers also makes 8051 compatible flashbased devices.


Try to have a look at www.renesas.com too (former Hitachi- and Mitsubishi semiconductors).
Renesas have a lot of different MCU families.


Here's a great overview of all the different MCU manufactures and what they have to offer:
**broken link removed**

 

[Nandulal]

microchip 876a

Renesas having good 16-32 bit CPUs with lot of onchip resources. Also they are running on reasonably good speed.

Nandu

 

[blueroomelectronics]

Stay away from the Renesas, it's not designed for beginners and has a very small following of hobbyists compared to a PIC or AVR.

 

[azadunkili]

PIC 16F72 might be a good one,it has all the peripheral functions you need

Just check it out at www.microchip.com

 

[yousafzai]

atmega8 will surely do the job

 

[Kurenai_ryu]

pic 16F876A or 18F242

 

[nandhu015]

AT Mega 8 is the best

Nandhu

 

[firmware]

ATMEGA48 good for several application.

 

[vandelay]

dsPIC30F4012. You can program it with JDM and WinPIC, so tools are basically free, and Ingenia has an excellent bootloader that works perfect with it (personal recommendation). IIRC you should be able to run it atleast at 80MHz (20MIPS) on 3.3V within specs, faster on 5V.

If you want to be really advanced, there is dsPIC33FJ12MC202, it is spec'ed at 40MIPS at 3.3V.

 

[eynasantiago]

Try this :**broken link removed**

The Z8F1680 is one of the products in our Z8F1680 Series. The product features include:

20MHz register-based eZ8TM microprocessor core with memory-to-memory arithmetic operation
16 KB Flash memory
2KB + 1KB register SRAM
256B EEPROM capability
7/8-channels 10-bit Analog-to-Digital Converter (ADC) with fast 4.9 µs conversion time
Up to 8-channel 10-bit A/D converter
Three 16-bit timers with PWMs
Up to 37 general-purpose I/Os depending on package type
Watch Dog Timer (WDT), Power-on reset (POR), voltage brown-out (VBO)
Programmable LVD
Full-duplex ESPI, I2C, and 2 LIN UART ports
On-chip temperature sensor, low-power Op Amp and PRAM
Two analog comparators
Built-in internal precision oscillator with programmable output from 43.2 kHz to 11 MHz
Single-pin, on-chip debugger (OCD) for ultimate design flexibility
1.8 to 3.6 operating voltage
Available in 20 & 28-pin SOIC, 20 & 28-pin SSOP, 40-pin PDIP, 44-pin LQFP and 44-pin QFN packages

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