BRIGHT LED ELECTRONICS CORP. BL-HBGR32L-3-TRB-8 ● Pin DescriptionNOPIN NAMEI/OFUNCTION 1 VDD P Power is terminal 2 VREG O 4.5V regulator output 3 CKO O Series with the output clock signal 4 SDO O Series whit the output data 5 VEN I Self-test function selection 6 CSEL I Invert the clock signal cascade 7 POLAR I Positive and negative output options 8 OSCI I Oscillator input 9 SDI I Series whit the input data 10 CKI I Series whit the input clock signal 11 REXT I Constant current source to adjust side 12 VSS P Power supply negative terminal 13 G O Green LED output 14 R O Red LED output 15 B O Blue LED output ● Block Diagram 4.5V VDD Requlator VREG CKO CKI Serial Data SDO Input Decoder SDI 8Bit 8Bit 8Bit Shift Shift Shift Register G Register R Register B PWM PWM PWM Generator Generator Generator G R B B Fixed G Oscillator Current OSCI R VSS Ver1.0 Page: 4 of 10