Kirisun DP485 - Port Description of AT1846 S

DP485 Service Manual
10
4.7.2.Port Description of AT1846S
AVDD
1
Power supply
SCLK
2
Clock input for serial control bus
SDIO
3
Data input/output for serial control bus
AVDD
4
Power supply
XTAL1
5
Oscillator pin 1
XTAL2
6
Oscillator pin 2,control interface select
MODE
7
When MODE = VL, I2C Interface is select; When MODE = VH, SPI Interface is
select
SENB
8
Latch enable (active low) input for serial control bus
AFOUT
9
Audio signal output to speaker
NC*
10
No connection
MIC_IN
11
MIC input
Cc
12
Compensation capacitor connection
AVDD
13
Power supply
NC*
14
No connection
RFIN
15
RF signal input
AVDD
16
Power supply
NC*
17
No connection
RFOUT
18
RF signal output
NC*
19
No connection
NC*
20
No connection
AVDD
21
Power supply
PABIAS
22
PA bias supply for PA
AVDD
23
Power supply
PDN
24
Chip enable, high active; Chip sleep, low active