#define motor1_step PAOUT(10)
#define motor2_step PAOUT(4)
#define motor3_step PAOUT(5)
#define motor1_dir PAOUT(0)
#define motor2_dir PAOUT(1)
#define motor3_dir PAOUT(9)
#define motor1_ms1 PBOUT(8)
#define motor2_ms1 PAOUT(7)
#define motor3_ms1 PBOUT(0)
#define motor1_ms2 PBOUT(1)
#define motor2_ms2 PBOUT(5)
#define motor3_ms2 PBOUT(9)
#define motor1_ms3 PBOUT(12)
#define motor2_ms3 PBOUT(13)
#define motor3_ms3 PBOUT(14)
#define motor1_en PBOUT(15)
#define motor2_en PBOUT(10)
#define motor3_en PBOUT(11)
SLEEP和RES短接 VDD输入3.3V VMOT12V