Specifications

Item Pin
IO type
Function Description
1 RXD I/O
Module UART interface RX
2 TXD I/O
Module UART interface TX
3 ADC AI
ADC Pin
4 PWM5 I/O
Module PWM signal output
5 PWM4 I/O
Module PWM signal output
6 PWM3 I/O
Module PWM signal output / Warm light PWM Control
7 PWM2 I/O
Module PWM signal output / Cold light PWM Control
/I2C interface SDA
8 PWM1 I/O
Module PWM signal output / I2C interface SCK
9 GND P
Module grounding anchor
10 3V3 P
Module power input pin
6UOTZ ,[TIZOUTJKLOTOZOUT :KYZVUOTZ ,[TIZOUTJKLOTOZOUT
BOOT
6[RROZ[VHKLUXKVU]KXUTGTJ
KTZKXZNKJU]TRUGJSUJK
3V3
)NOVVU]KXOTV[Z
RST
When pulled down, the chip is
forced into reset
RXD
;'8:YKXOGRVUXZJU]TRUGJ
8>VOT
GND
Chip ground
TXD
;'8:YKXOGRVUXZJU]TRUGJ
:>VOT
3. 3UJ[RKVXUJ[IZOUTZKYZVUOTZJKLOTOZOUT
4Electrical characteristics
characteristic condition Min. Typical Max Unit
VDD
Supply voltage
-0.3 3.3 3.6 V
ESD-HBM - - 2000 V
Top
operation
temperature
-40 +85
Tstg
Storage
temperature
-45 135
Limit maximum rating
2. SM-030 pin description