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| Sniffing the Rigol's internal I2C bus |
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| cybernet:
currently on another track that will hopefully make stuff easier in the future - esp no need for JTAG anymore ;-) --- Code: ---bfin> bdinfo U-Boot = U-Boot 2013.10 (Dec 30 2013 - 18:01:24) CPU = bf526-0.0 Board = bf526-ezbrd VCO = 400 MHz CCLK = 400 MHz SCLK = 100 MHz boot_params = 0x00000000 memstart = 0x00000000 memsize = 0x02000000 flashstart = 0x20000000 flashsize = 0x01000000 flashoffset = 0x00000000 ethaddr = 02:80:ad:20:31:e8 ip_addr = 192.168.0.15 baudrate = 57600 bps bfin> flinfo Bank # 1: CFI conformant flash (16 x 16) Size: 16 MB in 71 Sectors AMD Standard command set, Manufacturer ID: 0x01, Device ID: 0x227E2101 Advanced Sector Protection (PPB) enabled Erase timeout: 4096 ms, write timeout: 1 ms Buffer write timeout: 3 ms, buffer size: 64 bytes Sector Start Addresses: 20000000 RO 20020000 RO 20040000 RO 20060000 RO 20080000 RO 200A0000 RO 200C0000 200E0000 20100000 20120000 20140000 20160000 20180000 201A0000 201C0000 201E0000 20200000 20220000 20240000 20260000 20280000 202A0000 202C0000 202E0000 20300000 20320000 20340000 20360000 20380000 203A0000 203C0000 203E0000 RO 20400000 RO 20420000 RO 20440000 RO 20460000 RO 20480000 RO 204A0000 204C0000 204E0000 20500000 20520000 20540000 20560000 20580000 205A0000 205C0000 205E0000 20600000 20620000 20640000 20660000 20680000 206A0000 206C0000 206E0000 20700000 20720000 20740000 20760000 20780000 207A0000 207C0000 207E0000 20800000 20820000 RO 20840000 RO 20860000 RO 20880000 RO 208A0000 RO 208C0000 RO bfin> reginfo System Configuration registers PLL Registers PLL_DIV: 0x0004 PLL_CTL: 0x2000 PLL_STAT: 0x00a2 PLL_LOCKCNT: 0xffff VR_CTL: 0x70f0 EBIU AMC Registers EBIU_AMGCTL: 0x00f9 EBIU_AMBCTL0: 0xbbc3bbc3 EBIU_AMBCTL1: 0xb6ab77c3 EBIU SDC Registers EBIU_SDRRC: 0x0fff EBIU_SDBCTL: 0x0013 EBIU_SDSTAT: 0x0000 EBIU_SDGCTL: 0x8011998d --- End code --- |
| marmad:
Just to keep owners that aren't reading the DS2000 review thread informed: More bugs keep getting discovered when running the 300MHz option on HW v.1 DS2000 models (I just posted another here). Whether those bugs exist for HW v.2 or A-model owners, I couldn't say - but considering that we've found a few of them - and that on HW v.1 models the BW only seems to increase by ~60MHz (to somewhere between ~280 - 300MHz), you might want to consider if the advantages outweigh the disadvantages before installing the option (on HW v.1) |
| m-joy:
--- Quote from: marmad on December 30, 2013, 07:29:12 pm ---Just to keep owners that aren't reading the DS2000 review thread informed: More bugs keep getting discovered when running the 300MHz option on HW v.1 DS2000 models (I just posted another here). Whether those bugs exist for HW v.2 or A-model owners, I couldn't say - but considering that we've found a few of them - and that on HW v.1 models the BW only seems to increase by ~60MHz (to somewhere between ~280 - 300MHz), you might want to consider if the advantages outweigh the disadvantages before installing the option (on HW v.1 --- End quote --- But 200MHz works fine? |
| marmad:
--- Quote from: m-joy on December 30, 2013, 07:42:11 pm ---But 200MHz works fine? --- End quote --- Sure - every version of the DS2000 hardware has been designed to work to 200MHz-2ns/div. |
| Git:
--- Quote from: Carrington on December 28, 2013, 03:01:49 pm --- --- Quote from: tirulerbach on December 28, 2013, 02:36:41 pm ---Hello, Just to make sure: Is the JTAG-port on DS2202A at 3.3 Volt? --- End quote --- Yes, I think. --- End quote --- It shouldn't matter anyway, your JTAG box should power its output stage from the target machines supply. Some, if not most, are happy from 1.8V to 5V. Git |
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