ASAHI KASEI
PIN CONDITIONS
[AK2307/LV]
Pin types;
NIN:
Normal Input
NOUT: Normal Output
TOUT: Tri-state output
AOUT: Analog output
PWR:
Power supply
AIN:
Analog Input
Table 1
Name
HANDT2
HANDT3
HANDT1
HANDT4
HANDR
MIC3
MIC2
MIC1
DAOUT
RAIN
HEADO
SPO
EXRIN
DATA
SCLK
CSN
DR
DX
BCLK
FS
DVSS
DVDD
AVSS
AVDD
PLLCAP
TAGND
RAGND
VREF
Type
AIN
AIN
AOUT
AIN
AOUT
AIN
AIN
AOUT
AOUT
AIN
AOUT
AOUT
AIN
I/O
Pin function
Max
MIn
Cap load Res load
comment
Analog input for Handset microphone
Analog input for Handset microphone
OPamp output for Handset microphone
Analog input for A/D converter
Analog output for Handset receiver
1000pF 150ohm
nd
2 Analog input for A/D converter
Analog input for External microphone
Output of External microphone amplifier
Analog output of D/A converter
Analog input to RX voice path
RX output for Headset receiver
1000pF 150ohm
RX output for External Speaker Driver
20pF 10kohm
External input for Speaker pre-driver
Data input for internal register access
50pF
Serial data clock for internal register
NIN
access
NIN Chip select input
NIN RX PCM data serial input
TOUT TX PCM data serial output. Tri-state output 50pF
NIN Bit clock input for DR, DX
NIN 8KHz frame sync signal input for PCM I/F
PWR Power supply for digital block:0V
PWR Power supply for digital block: 3.3V
PWR Power supply for Analog block:0V
PWR Power supply for Analog block: 3.3V
Output to connect the PLL loop filter
1.0uF external
AOUT
Capacitance
capacitance
1.0uF external
AOUT TX side Analog ground output.
capacitance
1.0uF external
AOUT RX side Analog ground output
capacitance
1.0uF external
AOUT Voltage reference output
capacitance
MS0190-E-05
4
2005/12
AKM [ ASAHI KASEI MICROSYSTEMS ]
