User's Manual

Cinterion
®
ELS61-AUS Hardware Interface Description
2.1 Application Interface
52
 ELS61-AUS_HID_v00.031 2016-06-03
Confidential / Preliminary
Page 16 of 102
Signal pads that are not used should not be connected to an external application.
Please note that the reference voltages listed in Table 2 are the values measured directly on
the ELS61-AUS module. They do not apply to the accessories connected.
Table 1: Pad assignments
Pad no. Signal name Pad no. Signal name Pad no. Signal name
201 Not connected 24 GPIO22 235 USB_DN
202 Not connected 25 GPIO21 236 Not connected
203 GND 26 GPIO23 237 Not connected
204 BATT+
BB
27 I2CDAT 238 GND
205 GND 28 I2CCLK 239 GPIO5/LED
206 ADC1 29 GPIO17/TXD1/MISO 240 GPIO6/PWM2
207 ON 30 GPIO16/RXD1/MOSI 241 GPIO7/PWM1
208 GND 31 GPIO18/RTS1 242 GPIO8/COUNTER
209 V180 32 GPIO19/CTS1/SPI_CS 53 BATT+
RF
210 RXD0 33 EMERG_RST 54 GND
211 CTS0 221 GPIO12 55 GND
212 TXD0 222 GPIO11 56 ANT_DRX
213 GPIO24/RING0 223 GND 57 GND
214 RTS0 224 Not connected 58 GND
215 VDDLP 225 GND 59 ANT_MAIN
216 CCRST 226 Not connected 60 GND
217 CCIN 227 GND 61 GND
218 CCIO 228 Not connected 62 GND
219 GPIO14 229 GPIO4/FST_SHDN 63 GND
220 GPIO13 230 GPIO3/DSR0/SPI_CLK 64 GND
20 CCVCC 231 GPIO2/DCD0 65 Not connected
21 CCCLK 232 GPIO1/DTR0 66 Not connected
22 VCORE 233 VUSB 243 Not connected
23 GPIO20 234 USB_DP 244 GPIO15
Centrally located pads
67 Not connected 83 GND 99 GND
68 Not connected 84 GND 100 GND
69 Not connected 85 GND 101 GND
70 Not connected 86 GND 102 GND
71 Not connected 87 Not connected 103 GND
72 Not connected 88 GND 104 Not connected
73 Not connected 89 GND 105 Not connected
74 Do not use 90 GND 106 Not connected
75 Do not use 91 Not connected 245 GND
76 Not connected 92 GND 246 Not connected
77 Not connected 93 GND 247 Not connected
78 Not connected 94 GND 248 Not connected
79 Not connected 95 GND 249 Not connected
80 Not connected 96 GND 250 GND
81 GND 97 GND 251 GND
82 GND 98 GND 252 GND