Technical information

Application Interface Specifications
66 G30 - Module Hardware Description December 15, 2009
37 23 RI
O Ring Indicator H
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
I/O
GPIO (M2M Zone
only)
38 17 DCD O Data Carrier Detect H Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class B.
PU/PD class B
39 13 DSR O Data Set Ready L
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class B slow.
PU/PD class A.
40 19 DTR I Data terminal ready
I
H
100K PU
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class C.
PU/PD class B.
41 9 RTS I Ready to send 4.7K PU
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class F.
PU/PD class C.
42 15 CTS O Clear To Send
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class E.
PU/PD class C.
43 21 TXD I Transmitted Data 200K PU
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class E.
PU/PD class C.
44 11 RXD O Received Data T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class E.
PU/PD class C.
45 66 SPI_CLK O
SPI Clock
Short to Pin 57
T
Generic digital interfaces (Typ. 2.85V)
voltage domain.
Output driver class D.
PU/PD class B.
46 Not Connected
47 54 HDST_SPK O
Low power sin-
gle-ended
analog audio output
Used in handset or
in headset mode
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”)