Wavecom CM52 Integrator's Manual page 48

Group Pin
No
17
Analog 9
Audio
10
7
Status 12
2
40
24
15
Unused 39
37
36
35
38
4
3
1
Reserved 13
16
11
14
6
Not currently Implemented in the CM52.
CM52 Integrators' Manual
WI_DEV_CM52_UGD_001-001
Page 48 of 53
Name Application Requirements
PCMCLK Logic input from phone module.
AGND Analog reference. This signal is an analog reference output by the
phone module. This signal is connected to GND in one place in
the phone module. Under no circumstances shall it be connected
to any ground or be used as ground in the application.
See 2.4 for more detailed information.
AUX1(ATMS) Single ended audio output to phone module.
AUX0(AFMS) Single ended audio input from phone module.
MODULE_PWR Logic open collector output that is set low by the application to
_EN_B enable power to the phone module. The pull-up resistor resides in
the phone module.
VREF Phone module logic voltage sense input to application. This signal
provides the application with the logic system voltage level used
by the phone module.
RI This signal is used to indicate to the application of an incoming
voice or data call or SMS. The event is indicated by the signals
falling edge and remains low for 100 ms.
6
RINGER Pulse Modulated logic input from phone module. The application
must provide power amplification if the current draw is expected to
exceed 1mA.
HW_SD Bi-directional signal, default set to be an open collector output from
the application.
CFMS No termination. Leave open.
CTMS No termination. Leave open.
Reserved No termination. Leave open.
Reserved No termination. Leave open.
Reserved No termination. Leave open.
IO_4_VRTC No termination. Leave open.
IO_3_GPS_FIX No termination. Leave open.
IO_1_TIMEMAR No termination. Leave open.
K
OUTPUT1 No termination. Leave open.
INPUT2 No termination. Leave open.
INPUT1 No termination. Leave open.
OUTPUT2 No termination. Leave open.
Table 26: Pin Direction for General Purpose Signals
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CM52 Integrators' Manual
App
I/O
I
I
O
I
OOC
I
I
I
OOC
I
I
O
IOC
IOC
O
I/O
I/O
I/O
I
O
O
I