| Home | Control Home | µC Stepper Control | µC Stepper Control 2 | µC Stepper Control 2 Plus |
by Martin Clausen (mc AT rotgradpsi DOT de)
The first collum describes the pin at the microcontroller by its name. The entries in the tables describe the related pin at the driver as follows: pin name, pin number, chip number (if required)
Refer to the corresponding driver chip datasheet for the remaining driver schematic!
| Motor | 1 | 2 | ||||||
|---|---|---|---|---|---|---|---|---|
| Driver | PX.0 | PX.1 | PX.2 | PX.3 | PX.4 | PX.5 | PX.6 | PX.7 |
| ULN2801A | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| SLA7024M SLA7026M SLA7027M | INA, 5 chip 1 | INB, 17 chip 1 | INA', 6 chip 1 | INB', 16 chip 1 | INA, 5 chip 2 | INB, 17 chip 2 | INA', 6 chip 2 | INB', 16 chip 2 |
| Driver | I02 | I12 | Phase 2 | I01 | I11 | Phase 1 | enable | /enable | reduced hold current increased move current |
|---|---|---|---|---|---|---|---|---|---|
| TCA3727 | I20, 20 | I21, 19 | Phase 2, 18 | I10, 1 | I11, 2 | Phase 1, 3 | Inhibit, 17 | no connection | none |
| UDN2916 | I02, 8 | I12, 9 | Phase 2, 10 | I01, 20 | I11, 17 | Phase 1, 16 | ground | ground | red & inc |
| UDN2917 | I20, 23 | I21, 24 | Phase 2, 26 | I10, 2 | I11, 1 | Phase 1, 43 | no connection | /EN1, 27 and /EN2, 42 | red & inc |
| PBL3717 TEA3717 TEA3718DP (Powerdip) | Input 0, 9 chip 2 | Input 1, 7 chip 2 | Phase, 8 chip 2 | Input 0, 9 chip 1 | Input 1, 7 chip 1 | Phase, 8 chip 1 | ground | ground | red & inc |
| TEA3718SP (Multiwatt 15) | Input 0, 4 chip 2 | Input 1, 2 chip 2 | Phase, 3 chip 2 | Input 0, 4 chip 1 | Input 1, 2 chip 1 | Phase, 3 chip 1 | ground | ground | red & inc |
| LMD18245 | M3, 6; M2, 7; M1, 8 chip 2 | M4, 4 chip 2 | Direction, 11 chip 2 | M3, 6; M2, 7; M1, 8 chip 1 | M4, 4 chip 1 | Direction, 11 chip 1 | ground | ground | red & inc |
| LMD18245 with brake | M3, 6; M2, 7; M1, 8 chip 2 | M4, 4 chip 2 | Direction, 11 chip 2 | M3, 6; M2, 7; M1, 8 chip 1 | M4, 4 chip 1 | Direction, 11 chip 1 | no connection | brake, 10 both chips | red & inc |