[AK2365]
5. Pin/Function
Package
Signal
Name
IFIP
NC
NC
NC
NC
VREFA
AVSS
AVDD
BIAS
NRECTO
NAMPO
NAMPI
AUDIOOUT
DISCOUT
PDOUT
RSSIOUT
IFOUT
AVSS2
PDN
RSTN
CSN
SCLK
SDATA
DETO
DVDD
DVSS
VREFD
AVSS3
AGNDOUT
AGNDIN
LOCAP
LOIN
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Type
AI
AIO
AIO
AIO
AIO
AO
PWR
PWR
AO
AI
AO
AI
AO
AO
AO
AO
AO
PWR
DI
DI
DI
DI
DB
DO
PWR
PWR
AO
PWR
AO
AI
AI
AI
Conditions
at power
down
Note 1)
Z
Z
Z
Z
Low
-
-
Z
Note 2)
Z
Z
Note 3)
Note 4)
Z
Z
Note 5)
-
Z
Z
Z
Z
Z
Z
-
-
Low
-
Low
Low
Note 6)
Note 6)
Function
IF signal input pin
NC pin
NC pin
NC pin
NC pin
LDO reference pin
Connect the capacitor to stabilize LDO reference voltage.
Analog VSS power supply pin
Analog VDD power supply pin
Output pin to connect bias resistor for reference voltage
Output pin for the rectification circuit
Output pin for noise squelch amplifier
Input pin for noise squelch amplifier
Demodulated audio signal output pin
Pin2 for Discriminator Low-pass filter
Pin1 for Discriminator Low-pass filter
Output pin to connect capacitor for Received Signal Strength
Indicator(RSSI)
Output pin for IFBUF
Analog VSS power supply pin
Power down pin for LDO
Hardware reset pin
Chip select input pin for serial data
Clock input pin for serial data
Input and output pin for serial data
Signal detect output pin
Digital VDD power supply pin.
Digital VSS power supply pin.
LDO reference pin
Connect the capacitor to stabilize LDO reference voltage.
Analog VSS power supply pin
Analog ground output pin.
Connect the capacitor to stabilize the analog ground level.
Analog ground input pin.
Connect the capacitor to stabilize the analog ground level.
Local signal input pin
Local signal input pin
Note
A:
Analog,
D:
Digital,
PWR:
Power,
I:
Input,
O:
Output,
B:
Bidirectional,
Z:
High-Z,
L:
Low
Note 1) Connecting internally to VSS pin by 50kΩ
Note 2) Connecting internally to VDD pin by 720kΩ
Note 3) Connecting internally to VSS pin by 830kΩ
MS1453-E-01
-5-
2012/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
