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SPI mode difference between UC3B and ATmega128
Hi, just noticed that the SPI mode on UC3B is not the same as on ATmega128. UC3B is: Quote: Table 21-2. SPI Bus Protocol Mode0 SPI Mode CPOL NCPHA 0 0 1 1 0 0...
Tuesday, 15 January 2008 - 21:53
what does insturction LD.SH means?
hi, just got so confused about the LD.SH instruction, from the description of this instruction: Quote: LD.SH – Load Sign-extended Halfword Architecture revision: Architecture...
Tuesday, 15 January 2008 - 16:31
what does this UC3B asm code means?
hi, 80002000 : 80002000: 48 1f lddpc pc,80002004 80002002: 00 00 add r0,r0 80002004: 80 00 ld.sh r0,r0[0x0] 80002006: 23 68 sub r8,54 I can't...
Monday, 14 January 2008 - 12:05
Anyone has the SSC lib codes for SPI?
hi, since there is no SSC library codes for SPI in the framework, so I'm wondering if anyone would be generous to share his SSC driver code for SPI? Cheng
Monday, 14 January 2008 - 09:58
does asm code bral means branch always?
hi, I just saw the asm code: 80000000 : 80000000: e0 8f 10 00 bral 80002000 so what's this this bral? And anyone have the description for all these conditions? Quote: cond4...
Monday, 14 January 2008 - 09:48
an error on UC3B's datasheet Rev.E
It's about high drive pins. On page 15, there is: Quote: 7.5 High drive pins The four pins PA20, PA21, PA22, PA23 have high drive output capabilities. Refer to Figure 32. on page...
Monday, 14 January 2008 - 08:10
256B for a SPI instance!!!???
I just saw that a SPI definition from spi_192.h that would take 256B out of memory: typedef struct avr32_spi_t { union { unsigned long cr...
Tuesday, 8 January 2008 - 14:18
what does : means in this code from framework?
hi, just saw this from spi_192.h: typedef struct avr32_spi_cr_t { unsigned int : 7; unsigned int lastxfer : 1; unsigned int :...
Tuesday, 8 January 2008 - 13:29
UC3B0256 wrong power consumption after DeepStop
Hi guys, I'm testing my UC3B0256 sleep mode power consumption. I downloaded a very simple DeepStop sleep code to its flash, and after repower on, the current meter still give me...
Monday, 7 January 2008 - 18:12
warning: allocated section '.stack' not in segement???
Hi guys, I'm trying to compile some examples from AT32UC3B-1.1.1 in AVR32 Studio, and I always get these 4 warnings when linking elf file: Quote: warning: allocated section `....
Monday, 7 January 2008 - 17:08
got a strange error after installing new WINAVR20071221
hi guys, After I uninstalled the old WINAVR20070525 and installed WINAVR20071221, and recompile some of the old codes, then I always got a error: Quote: d:/tools/winavr-20071221/...
Monday, 7 January 2008 - 13:12
Anyone got UC3B Rev.E samples?
hi guys, Since I'm in a desperate need of 5 UC3B0256s, and I have waited 2 months for them, so just wanna ask if anyone have received any samples recently? And I'm also wondering...
Sunday, 6 January 2008 - 18:57