Integrated Circuits Inc.

aIVR3K Series

Mar 27, 2012

4

PIN CONFIGURATIONS

Note: 14 pins and 8 pins packages are available for aIVR3K42

PIN DESCRIPTIONS

Pin Names

Description

VOUT1

PWM output to drive speaker directly

VOUT2_

COUT

PWM output or COUT DAC output select by programmable option

(COUT is not available on aIVR3K10)

VSS

Power Ground

VDD

Positive Power Supply

PBm

Programmable I/O pins (m: 0 to 2)

PB3

Input pin with programmable pull-down

PCn

Programmable I/O pins (n: 0 to 3 for aIVR3K42 only)

Note:

1. Pins required for OTP program include PB0 to PB3, VOUT1, VOUT2_COUT, VDD and VSS.

2. PBm and PCn are software programmable I/O pins that can be set to different configurations such

as pure input, input with pull-up, input with pull-down and output. The programmable I/O pins set

up will take effect immediately after power-on reset.

3. 8-pin and 14-pin packages are available for aIVR3K42.