Product Data Sheet

Version : 1.1
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9
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10/08/2018
Product Data Sheet
BM026
3.2 Pin Description
P1 Pin Define
Pin No Pin name Type Description
1 3.3V
Power
Power Source
2 GND GND Ground
3 PWM3/C3 I/O
PWM3,GPIO_PC3,UART_RX
4 PWM2/C2 I/O
PWM2,GPIO_PC2,UART_TX
5 PWM1/A3 I/O
PWM1,GPIO_PA3(PB7), I2C_SCK(by soft)
6 PWM5/B6 I/O
PWM5,GPIO_PB6, I2C_SDA(by soft)
7 PWM4/B4 I/O
PWM4,GPIO_PB4
8 ADC1/B1 I/O
ADC1,GPIO_PB1
9 ADC2/B5 I/O
ADC1,GPIO_PB5
PA Version Control Pin Define
Pin No Pin name Type Description
1 TX_EN/D2
O
PA IC TX Enable, GPIO_PD2
2 RX_EN/C5 O PA IC RX Enable, GPIO_PC5
Mesh Lighting Application Table
Pin
Application
LED Lighting
Product type Single
CW/WW
RGB RGBW
RGB/
WW_CW
Type Code
01 02 03 04 05
1 3.3V
3.3V 3.3V 3.3V 3.3V 3.3V
2 GND
GND GND GND GND GND
3 PWM3/C3 Lum WW WW WW
4 PWM2/C2
On/Off
Rly hi Act
CW CW
5 PWM1/A3
R R R
6 PWM5/B6 G G G
7 PWM4/B4
On/Off
DI_Lo Act
B B B
8
ADC1/B1
i-Detc i-Detc i-Detc i-Detc i-Detc
9
ADC2/B5
V-Detc V-Detc V-Detc V-Detc V-Detc
P2 Pin Define
Pin No Pin name Type Description
1 3.3V
Power
Power Source