The 116 chip is made for Xie-Chang by Sunplus Technology Co., Ltd of Taiwan. Here is the pinout:
1: TB
2: TA
3: BK
4: EBS
5: Throttle input
6: Under voltage detect
7: Current sense
8: Current sense
9: P1
10: Current sense
11: P2
12: P3
13: LED
14: Phase A High
15: Phase A Low
16...