Datasheet

 2011-2013 Microchip Technology Inc. DS20002281B-page 9
MTD6505
3.0 PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1: MTD6505 PIN FUNCTION TABLE
Pin
Number
Type Name Function
1 O FG Motor speed indication output
2IR
PROG
Km parameter setting with external resistors, see Table 4-2 for values
3—V
BIAS
Internal regulator output (for decoupling only)
4 O OUT1 Single phase coil output pin
5 O OUT2 Single phase coil output pin
6 — GND Negative voltage supply (ground)
7 O OUT3 Single phase coil output pin
8—V
DD
Positive voltage supply for motor driver
9 I DIR Motor Rotation Direction
- Forward direction: connect pin to GND or leave floating
- Reverse direction: connect pin to V
BIAS
10 I PWM PWM input signal for speed control
11 — EP Exposed pad (Connect to the ground plan for better thermal dissipation)
Legend: I = Input; O = Output