AT73C240 Datasheet, PDF (3/38 Pages) ATMEL Corporation – Power Management and Analog Companions

AT73C240
3. Pin Description
Table 3-1. Pin Description
Pin Name
I/O
VREF
I
AVDD
I
HSL
O
HSR
O
AVDDHS
I
LINEL
I
LINER
I
INGND
I
VCM
I
NC
N/A
HPN
O
VBAT
I
HPP
O
CBP
O
PAINN
I
PAINP
I
SDIN
I
BCLK
I
LRFS
I
MCLK
I
RSTB
I
SMODE
I
GNDD
GND
VDIG
I
SPI_DOUT
O
SPI_DIN/TWD
I/O
SPI_CLK/TWCK
I
SPI_CSB/TW_ADD
I
MONON
O
MONOP
O
NC
N/A
NC
N/A
GNDA
GND
Pin
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
33 (Bottom)
Type
Analog
Supply
Analog
Analog
Supply
Analog
Analog
Analog
Analog
N/A
Analog
Supply
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Digital
Digital
Ground
Supply
Digital
Digital
Digital
Digital
Analog
Analog
N/A
N/A
Ground
Function
Voltage reference pin for decoupling
Analog supply (DAC + Line in + Mono out)
Left channel headset driver output
Right channel headset driver output
Headset driver analog supply
Left channel line in
Right channel line in
Line signal ground pin for decoupling
Common mode reference for decoupling
Not Connected
Negative speaker output
Audio amplifier supply
Positive speaker output
Audio amplifier common mode voltage decoupling
Audio amplifier negative input
Audio amplifier positive input
Audio interface serial data input
Audio interface bit clock
Audio interface left/right channel synchronization frame pulse
Audio interface master clock input
Master reset (active low)
Serial interface selection (to connect to ground)
Digital ground
Digital supply
SPI data output
SPI data input / TWI data input
SPI clock / TWI clock
SPI chip select / TWI address bit
Negative monaural driver output
Positive monaural driver output
Not Connected
Not Connected
Analog ground
3
6464A–PMAAC–28-Apr-09