SHEET DATE DESIGN
DRAWING_No. TITLE
I2C Sound Selector
1
1 2009.2.22 Hideki SHIRO
C3 0.1u
5V
5V
SW?
C3 0.1u
C3
0.1u GND
MC? eMic
5V
R6 4.7k
R6 1k
C3
0.1u
C3 0.1u
GND R?
100k
GND
5V GND
SW?
CN1
Batt 1 2
C2 0.1u
U1
ATmega88 1
PC6 (PCINT14/RESET) 2 PD0 (PCINT16/RXD) 3 PD1 (PCINT17/TXD) 4
PD2 (PCINT18/INT0) 5
PD3 (PCINT19/OC2B/INT1) 6
PD4 (PCINT20/XCK/T0) 7 VCC
8 GND 9
PB6 (PCINT6/XTAL1/TOSC1) 10
PB7 (PCINT7/XTAL2/TOSC2) 11
PD5 (PCINT21/OC0B/T1) 12 PD6 (PCINT22/OC0A/AIN0) 13 PD7 (PCINT23/AIN1) 14
PB0 (PCINT0/CLKO/ICP1) (OC1A/PCINT1) PB1 15 16 (SS/OC1B/PCINT2) PB2
17 (MOSI/OC2A/PCINT3) PB3
18 (MISO/PCINT4) PB4
19 (SCK/PCINT5) PB5
20 AVCC
21 AREF
22 GND
23 (ADC0/PCINT8) PC0
24 (ADC1/PCINT9) PC1
25 (ADC2/PCINT10) PC2
26 (ADC3/PCINT11) PC3
27 (ADC4/SDA/PCINT12) PC4
28 (ADC5/SCL/PCINT13) PC5
5V
C1 0.1u
GND
5V
GND
U?
APR9600 1 /M1_Message 2 /M2_Next 3
/M3 4
/M4 5
/M5 6 /M6 7 OscR 8
/M7_END 9
/M8_Option 10
/Busy 11 BE 12 VSSD 13
VSSA 14
SP+ SP+ 15
16 VCCA
17 MicIn
18 MicRef
19 AGC
20 Ana_In
21 Ana_Out
22 /Strobe
23 /CE
24 MSEL1
25 MSEL2
26 ExtClk
27 /RE
28 VCCD
CN5
I2C Bus 1
SDA 2
VDD 3 VSS 4 SCL C3
0.1u
GND
5V
GND
R6 4.7k
5V
R6 220k
C3 4.7u
C3 22u
LED? R6
330
5V
GND
SW?
SW?
SW?
SW?
SW?
SW?
SW?
SW?
