1. °³¿ä
RGB ǮĮ¶ó °íÈÖµµ LED ¸ðµâ ( Model : AM-RGB)
AM-RGB ¼Ò°³
u NJU6060 PWM LED µå¶óÀ̹ö »ç¿ë
u 3»ö LED 3°³°¡ ³ª¶õÈ÷ ¹è¿µÇ¾î ÀÖÀ½
u SPI·Î µ¿±â½Ä ½Ã¸®¾ó ÀÎÅÍÆäÀ̽º¸¦ ÀÌ¿ëÇÑ Á¦¾î
u R(RED), G(Green), B(Blue) °¢°¢ 32´Ü°è¾¿ °³º° Á¦¾î °¡´É
u ÃÑ Ç¥Çö °¡´É Ä®¶ó : 32 x 32 x 32 = 32,768 Ä®¶ó
u Å©±â : 60mm * 50mm
u Ư¡ : AVR, ARM, 8051, FPGA µî¿¡¼ SPI ÀÎÅÍÆäÀ̽º·Î Á¦¾î °¡´É
2. ±¸¼ºµµ(AM-RGB ¸ðµâ H/W)
a. Çϵå¿þ¾î ±¸¼ºµµ
b. Ä¿³ØÅÍ ¿¬°á µ¥ÀÌÅÍ ½ÅÈ£ ÇÉ ¹øÈ£
1 ¹ø |
3 ¹ø |
5 ¹ø |
7 ¹ø |
9 ¹ø |
N.C. |
SPI_MOSI |
SPI_CS0 |
SPI_CS2 |
Àü¿ø 5V |
2 ¹ø |
4 ¹ø |
6 ¹ø |
8 ¹ø |
10 ¹ø |
SPI_SCK |
N.,C. |
SPI_CS1 |
/RST |
Àü¿ø GND |
c. ±â±¸µµ
3. »ç¿ë ¹æ¹ý
RGB ǮĮ¶ó °íÈÖµµ LED ¸ðµâ(AM-RGB) »ç¿ëÇϱâ(S/W °ü·Ã)
a. AM-RGB ±¸µ¿ ¹æ¹ý
º» ¸ðµâÀº ǮĮ¶ó LED ÄÁÆ®·Ñ·¯ µå¶óÀ̹ö¿Í RGB LED¸¦ ³»ÀåÇÏ¿© SPI ÀÎÅÍÆäÀ̽º¸¦ »ç¿ëÇÏ¿© µ¿ÀÛ ½ÃÅ°µµ·Ï ¼³°è µÇ¾ú½À´Ï´Ù.
ȨÆäÀÌÁö»ó¿¡¼ Á¦°øµÇ´Â ICC-AVR µ¥¸ð ÄÄÆÄÀÏ·¯ ¶Ç´Â ±âŸ ÄÄÆÄÀÏ·¯¸¦ ÀÌ¿ëÇÏ¿© ATMEGA128 MCU¸¦ »ç¿ëÇÏ¸é º»»ç ÀÚ·á½ÇÀÇ ¿¹Á¦¼Ò½º¸¦ ÀÌ¿ëÇÏ¿© ½±°Ô µ¿ÀÛ½Ãų ¼ö ÀÖÀ¸¸ç, ¾à°£ÀÇ ¼öÁ¤À¸·Î ¿øÇÏ´Â µ¿ÀÛÀÌ °¡´ÉÇÕ´Ï´Ù.
ÀÛ¼ºµÈ ÇÁ·Î±×·¥Àº ´ç»ç¿¡¼ ÆǸÅÇÏ´Â AVR ISP ÄÉÀ̺í(¸ðµ¨¸í AD-USBISP, AD-ISPPro)À» ÀÌ¿ëÇÏ¿© AVR ¸ðµâ¿¡ ´Ù¿î·Îµå ÇÒ ¼ö ÀÖ½À´Ï´Ù.
b. ¸ðµâÀÇ ÃʱâÈ ¹æ¹ý
a. 1us ÀÌ»óÀÇ ¸®¼Â ½ÅÈ£¸¦ /RST ÇÉ¿¡ ³Ö´Â´Ù.
1) /RST = LOW
2) /RST = HIGH
b. PWM FrequencyÀÇ Set
1) SPI_Master_Transmit_Receive(0x6f);
fpwm : (osc/2) / 32
LED1~3 ON, OSC ON
c. PWM Phase Set
1) SPI_Master_Transmit_Receive(0x81);
LED1 PWM Phase set:0,1 : 4-step shift
2) SPI_Master_Transmit_Receive(0xa2);
LED1 PWM Phase set:1,0 : 8-step shift
3) SPI_Master_Transmit_Receive(0xc3);
LED1 PWM Phase set:1,1 : 16-step shift
|