Other Parts Discussed in Thread: LP5866
器件型号: LP5860T
Thread 中讨论的其他器件: LP5866
您好:
我有一个 RGB LED 矩阵连接到 sw0..4 和 CS0..14。 我能够驱动 LED、显示图像等 但是、在所有 LED 都打开并正常工作的电路板上、即使我重置 LOD 和 LSD 故障检测时、也会收到 LED 开路故障。 如何解决此问题? 下面是寄存器。 我尝试了 Dot Current (All) 都是 0x80(默认值)和 0xFF、但仍然收到错误。 但所有 LED 都亮起并正常工作。
器件 1 的 LP5866 寄存器:
LED 点电流设置、从 0x100 开始
[0] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[1] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[2] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[3] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[4] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
LED PWM、从 0x200 开始
[0] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[1] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[2] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[3] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
[4] FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF 00 00
配置寄存器:
CHIP_EN = 01 DEV_INITIALIZE = 28 DEV_CONFIG1 = 00 DEV_CONFIG2 = 00
DEV_CONFIG3 = F9 GLOBAL_BRIGHT = FF GRP0_BRIGHT = FF Grp1_BRIGHT = FF
Grp2_bright = FF GREEN_GRP = 7F RED_GRP = 7F BLUE_GRP = 50
开路故障= 1 全局短路= 0
器件 0 的 LED 开路检测 (0x65 至 0x74):
[65] ff [66] 7f [68] ff [69] 7f [6b] ff [6c] ff [6e] ff [6f] 7f [71] ff [72] 7f
器件 0 的 LED 短路检测 (0x86 至 0x95):
[86] 00 [87] 00 [89] 00 [8a] 00 [8c] 00 [8d] 00 [8f] 00 [90] 00 [92] 00 [93] 00
MATRIX INFO
闪烁启用= 1(以 1000ms 为单位)isNormalEyes = 0
设备 1:红色=80、绿色=127、蓝色=127
器件 0:红色=80、绿色=127、蓝色=127