1.cob with metal frame 2.built-in controller sbn0064g/6400g 3.+5v single power supply, with built-in negative voltage 4.1/64 duty cycle 5.led edge b/l 6.led b/l pins: 23/24, or1/2 7.option: temperature compensation circuit 8.option: external negative voltage 75.0 x 45.8 61.0 x 38.0 0.42 x 0.50 0.44 x 0.52 3.8 9.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15~22 23 24 vss vdd vo /rst d/i r/w e1 e2 cs1l cs1h cs2l cs2h vee nc db0~bd7 a k gnd power supply operating voltage for lcd reset signal data/instruction data read/write enable signal for ic2 (segment 1~64) enable signal for ic3 (segment 65~128) negative voltage output no connection data bus power supply for b/l ( + ) power supply for b/l (gnd) chip selection for ic2 (segment 1~64) chip selection for ic3 (segment 65~128) BG12864J
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