Integrated Circuits Inc.
PIN CONFIGURATION
aIVR341N
PIN DESCRIPTIONS
Pin Names
VOUT1
VOUT2_COUT
VSS
VSSA
OSC
VDD
VDDA
VPP
PB0~PB3
PC0~PC3
PD0~PD2
PE0~PE3
RSTB
Description
PWM output to drive speaker directly
PWM output or COUT DAC output select by programmable option
Power Ground
Analog Power Ground
Oscillator input
Positive Power Supply
Analog Positive Power Supply
Positive Power for EPROM programming, NC during voice playback
Programmable I/O port B
Programmable I/O port C
Programmable I/O port D
Programmable I/O port E
Reset pin, Low active;
Note:
PB, PC, PD and PE ports 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 chip RESET is applied.
Pins for memory programming are: VDD, VDDA, VSS, VSSA, VPP, PB0, PB1, OSC, VOUT2
and RSTB.
4
SEP 15, 2011
APLUS [ APLUS INTERGRATED CIRCUITS ]
