◆ SD Smart Drive

For new Smartport Drive/FDD emulator

이안김 2015. 11. 27. 22:09

Due to some reasons, I've planned to develop faster Newer Smart Drive for APPLE II system.


The AVR(Atmega128) isn't fast compare to these days MPU and lack of memory.

Even AtXmega series are only 32Mhz.


For better performance for Smartport Drive and more function for DISK][,

I'm going to new design for new Smartport Drive and FDD emulator.


I have lots of choice but, I want to use one of not well known MPU.

It is Korean made one and good features has.

It is what I want to use.


 Parameters Values
EISC Core32bit AE32000
F. Max (MHz)96
MIPS96
Vcc (V)3.3
PackagesPb-Free
100 TQFP
  
Flash (Kbytes)128/512
SRAM (Kbytes)80
NAND Flash Controller8bit I/O
1/4bit ECC
SRAM Interface8/16 bit
  
ISPYes
JTAGYes
PLLYes
  
GPIO53
KEYSCAN4 X 4
External Interrupt2
DMA2
TIMER32bit x 8
  
SD Card ControllerYes
SPI1
TWI1
UART8
  
I2S1
Voice CodecYes
ADCVoice codec 14bit x 4
DACVoice codec 14bit x 1
  
RTCYes
Watchdog Timer32bit
USB2.0 Full (12Mbps) Device
Control/Bulk/Interrupt
It has 96Mhz speed and 80KB SRAM space.

And more USB and even RTC(Real time clock) there.

It has dedicate SD card controller so, it handle SD memory card with superb speed.


And this processor isn't exactly ARM processor but as followed the maker engineer, It based on the ARM technologies.


I've tested SD card Reading speed, It has more than 2MB/S.


I will update what I'm going to do.

This time. I can show testing board.