TC32M

DS21402C-page 4

© 2006 Microchip Technology Inc.

2.0

PIN DESCRIPTIONS

The descriptions of the pins are listed in Table 2-1.

TABLE 2-1:

PIN FUNCTION TABLE

Pin No.

(SOT-223, TO-92)

Symbol

Description

1

GND

Ground.

The +5V power supply input.

3

RS

Reset/Strobe (Bidirectional). The open drain goes active if:

If pulled low by an external electronic signal or switch closure.

If the Watchdog is not strobed within the minimum Watchdog Time-out period.

During power-up and power-down.

In the Input mode, RS connects to a voltage level shift network (typically a resistor

level

The +5V power supply input (SOT-223 only).