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Is EIC/0/EXTINT[8] on PA13 of 64pin UC3B the NMI?
Hi, The EIC section of the datasheet just mention the NMI, so is it this one? Cheng
Friday, 21 September 2007 - 19:27
So PLL on UC3B can only generate output above 40MHz?
hi, because I want to use 16MHz crystal and then PLL it to 30MHz for my PBB FLASH clock, so that I can still get one clock access. But according to page 47 of the UC3B's datasheet...
Thursday, 20 September 2007 - 10:21
maximum TC clock is just PBA/4??!!
hi, I just found that on the UC3B's datasheet page 37, it said the clock connection to TC has 5 clocks, but the fastest one is just PBA clock/4!!! Why they want your timer to lose...
Thursday, 20 September 2007 - 09:31
The USB connector sheild conenction for On-The-Go
hi guys, Now I'm wondering about the shield conection on my mini B USB connector. Should I connect it to my PCB GND or should I leave it unconnected? I saw the shematic of EVK1101...
Wednesday, 19 September 2007 - 12:23
The current sink capability of IOs of UC3A/B
Hi, I just saw from the schematic of EVK1101 that they connect 3.3V VCC to LEDs with 150ohm resistor and directly to IO-pins of UC3B, so I'm wondering how much current can these...
Monday, 17 September 2007 - 11:31
is there COM port driver for USB on UC3B?
Hi, just wonder if there is COM port driver for the USB of UC3B, like the one with FT232 chip that can be easily used for communicating with PC. Cheng
Sunday, 16 September 2007 - 18:56
power consumption of OSC0/1 and PLL0/1 of UC3B
Hi, I'm prototyping battery powered sensor system with UC3B now and I just wanna know the power consumption of OSC and PLL of UC3B when they are on. Because there is a option for...
Sunday, 16 September 2007 - 16:06
Why the TWI bus is only fixed at PA9/10 on UC3B?
Hi, the datasheet Rev.B of UC3B shows that the TWI bus is only fixed at PA09 and PA10 (page 39). But on page 155 it said each IO line can be programmed to open drain mode. So then...
Sunday, 16 September 2007 - 14:06
is UC3B IO pins 5v tolerant?
Hi, on the first page of UC3B's datasheet, it said: "5V Input Tolerant I/Os, including 4 high-drive pins", does this means that all IOs are 5v tolerant? or is it just that 4 high-...
Sunday, 16 September 2007 - 12:16
is it possible to use SSC interface on UC3B for SPI?
Hello guys, because I really want to have 2 SPIs on the UC3B so is it possible to use SSC interface as SPI instead? Cheng
Monday, 27 August 2007 - 09:07
data logging using SPI and SD card and readout to PC?
hi, guys, I just thought about this today and I'm wondering how complicated your AVR C codes need to be to write your ADC results to SD card in FAT or FAT32 format and be able to...
Monday, 25 June 2007 - 20:47
1Mbps COM port terminal software
Hi, guys, Now I got a problem on COM port terminal software. I wanna use 16 COM ports each running at 1Mbps, and SuperTerm 2.14 just support upto 6 COMs at 1Mbps. Anyone know...
Wednesday, 20 June 2007 - 13:36

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