Iridium 9523 Product Developer Manual page 18

Iridium Communications, Inc.
Iridium 9523 Product Developer's Guide
Revision 7.0
Pin
Signal Name
No.
1 CODEC_PCMCLK
2 CODEC_PCMIN
3 CODEC_PCMSYNC
4 CODEC_PCMOUT
5 0V
6 0V
7 UC_DACLK
8 UC_DATX
9 UC_DAFS
10 UC_DARX
11 0V
12 0V
13 DPL_RXD
14 DPL_TXD
15 DF_RX
16 DF_TX
17 DF_CTS
18 DF_DCD
19 DF_DSR
20 DF_RI
21 DF_RTS
22 DF_DTR
23 SIM_1V8_3V
24 SIM_CLOCK
25 SIM_ENABLE
26 SIM_RESET
27 SIM_DATA_IO
28 FULL_POWER_EN
29 ANT_DET_PWR
30 LBT_HSTB
31 TX_ACTIVE
32 TRX_ON
33 PA_BOOST_EN
34 0V
35 0V
36 VBAT
37 VBOOST
38 VBAT
39 VBOOST
40 VBAT
Parameter
Input High Voltage
Input Low Voltage
Input current
Input capacitance
Iridium Communications, Inc.
Proprietary & Confidential Information
Only
Signal
direction
Signal function
(WRT
modem)
Out Clock
Out Data from modem
Out Frame Sync
In Data to modem
Ground
Ground
Out Clock
Out Data from modem
Out Frame Sync
In Data to modem
Ground
Ground
In Data to modem
Out Data from modem
Out Data from modem
In Data to modem
Out Clear to Send
Out Carrier Detect
Out Data Set Ready
Out Ringing Indication
In Request to Send
In Data Terminal Ready
Out Voltage select
Out Clock
Out Enable
Out Reset
Bidir Data
In Enable full RF power
Out Power for docking cradle detector
In Handset/LBT switch
Out Signal to mute GPS receiver
In Enable modem power regulators
Out Enable boost converter
Ground
Ground
In Battery Voltage
In Boost Voltage for PA
In Battery Voltage
In Boost Voltage for PA
In Battery Voltage
Table 7: Limits for 3.3V Digital Signals
Symbol
Page 18 of 27
Information Contained in this Guide
is Subject to Change Without Notice
PCM audio port 1
PCM audio port 1
PCM audio port 1
PCM audio port 1
Power supply
Power supply
PCM audio port 2
PCM audio port 2
PCM audio port 2
PCM audio port 2
Power supply
Power supply
DPL port
DPL port
Data/Fax port
Data/Fax port
Data/Fax port
Data/Fax port
Data/Fax port
Data/Fax port
Data/Fax port
Data/Fax port
SIM
SIM
SIM
SIM
SIM
GPIO
GPIO
GPIO
GPIO
Power supply
Power supply
Power supply
Power supply
Power supply
Power supply
Power supply
Power supply
Power supply
Min Max
V 2.0 5.5
IH
V -0.3 0.8
IL
I 20
IN
C 10
IN
Distribution of Guide Restricted
Signal group
Unit
V
V
µA
pF
to Product Developers