[Retracted] Application of Microcontroller-Based Multipath Servos in Industrial Robot Control Systems

Table 1

Partial pin definition of PCA9685 chip.

Symbols	Pins		Type	Description
	TSSOP28	HVQFN28
A0	1	26	I	Enter address 0
...	...	...	...	...
A4	5	28	I	Enter address 4
LED0	6	3	O	LED driver 0
...	...	...	...	...
LED15	22	19	O	LED driver 15
VSS	14	11	Power supply	Supply land
OE	23	20	I	Active low output enable
A5	24	21	I	Enter address 5
EXTCLK	25	22	I	External clock input
SCL	26	23	I	Serial clock line
SDA	27	24	I/O	Serial data line
VDD	28	25	Power supply	Supply voltage