Das Oszi

= Description =

These series of Digital Oscilloscopes use a standard ARM9 processor and are shipped with linux. The various models can be hacked to add additional features. These pages aim to document as much as possible to foster a wider community of developers for these DSO's.

= General =

Components

 * 7" 800 x 480 color LCD Display
 * Samsung S3C2440 ARM9 System On Chip (SoC)
 * ISSI [[media:IS42S16160C.pdf|IS42S16160C-7TLI]] SDRAM (2 x 256Mbit = 64Mbyte)
 * Samsung [[media:K9F1208U0C.pdf|K9F1208U0C]] Nand Flash (1 x 512Mbit = 64Mbyte)
 * ISSI [[media:IS61LPS25636A.pdf|IS61LPS25636A]] static ram ( 1 x 9Mbit = 1.125Mbyte)
 * Altera MAX-II [[media:EPM240T100C5N.pdf|EPM240T100C5N]] CPLD (complex Programmable Logic Devices)
 * 4 x Analog Devices [[media:AD9288.pdf|AD9288]] ADCs (yes, for 1GSs overclocked to 125MHz in 8ns, 4ns and 2ns time base - like Instek GDS1102A)
 * 2 x Analog Devices [[media:AD8370.pdf|AD8370]] amps (750MHz bw - input stage like Rigol)
 * 2 x TI [[media:LMH6552.pdf|LMH6552]] amps (1.5GHz bw - input stage like Rigol)
 * Analog Devices [[media:ADCMP562.pdf|ADCMP562]] ECL comparator (for trigger)
 * Altera Cyclone III FPGA (ADC sampling control and data acquisition)

Firmware

 * Linux Kernel version 2.6 from reports
 * need more details and bootlog

Open Linux Support Todo List

 * lodge a GPL compliance complaint against Hantek
 * get u-boot working
 * get current 3.x kernel booting
 * cpld interface driver
 * lcd display driver

Hacks

 * Get 200MHz bandwidth for free
 * USB Hack
 * Uart Info
 * Hardware Hacks
 * Hacking Hantek

Ports

 * 2x Uarts
 * ARM JTAG
 * CPLD JTAG
 * FPGA JTAG
 * Expansion Header

picture from Tinhead on the eevblog

ARM JTAG

 * Samsung S3C2440 is fully supported with OpenOCD
 * Inexpensive JTAG tools
 * Flyswatter2 from TinCanTools
 * Flyswatter from TinCanTools
 * JTAG USB OCD Tiny from Sparkfun

= Models =

200MHz Models

 * Hantek DSO5202M/B
 * Tekway DST1202B
 * Protek 3210
 * Voltcraft DSO-3062C

100MHz Models

 * Hantek DSO5102M/B
 * Tekway DST1102B
 * Protek 3110

60MHz Models

 * Hantek DSO5062M/B
 * Tekway DST1062B

= References =


 * mikrocontroller.net