Technical information

Chapter 3: Electrical and Environmental Specifications
December 15, 2009 G30 - Module Hardware Description 67
48 63,67 SPKR_N O
High power differen-
tial
analog audio output
Used in ring tones or
in hands free mode
49 65,69 SPKR_P O
High power differen-
tial
analog audio output
Used in ring tones or
in hands free mode
50 55 HDST_INT
I
Headset detection
input
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class E.
PU/PD class B.
I
External interrupt
input
51 61 MIC I
Headset microphone
analog bias
Single ended supply output
and signal input for Handset
microphone.
Used in handset or
in hands free mode
52 59 AGND1 I
Handset microphone
analog reference
Local ground
of the Handset microphone
53 57 MIC_HDST I
Headset microphone
analog bias
Single ended supply output
and signal input for microphone. Used
in headset mode
54 59 AGND2 I
Headset microphone
analog reference
Local ground
of the Headset microphone
55 18 RXD_DAI I
I2S receive data
Short to pin 61
47K PU
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
56 24 WA0_DAI O
I2S word alignment
Short to pin 60
T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
57 22 CLK_DAI O
I2S clock
Short to pin 45
T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
58 20 TXD_DAI O
I2S transmit data
Short to pin 63
T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
59 50 SIM_PD_n I SIM present detect OD/L
SIM interface
voltage domain.
Output driver class E.
PU/PD class B.
60 68 SPI_MOSI O
SPI sync data
(MOSI)
Shorted to pin 56
T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B
Table 3-13: Interface Specifications (Cont.)
Pin No.
(81 pin
LGA
interface)
@70 Pin
Conn.
Name I/O Function
Value @
Reset
Characteristics
(See “Operating Parameters”)