SimCom SIM300D, User Manual

Page: 19 / 19

SIM300D EVB User Guide
SIM300D-EVB_UGD_V1.01 Page 19 of 19
20 NC 19 STATUS O
22 NC 21 NC
24 NC 23 GPIO8 I/O
26
NC
25
VSIM O
28 KROW0 I 27 SIM_RST O
30 NC 29 SIM_I/O I/O
32 NC 31 SIM_CLK O
34 NC 33 SIM_PRESENT I
36 NC 35 NC
38 SPI_EN O 37 DCD O
40 SPI_CLK O 39 DTR I
42
SPI_DO I/O
41
RXD I
44
SPI_AO O
43
TXD O
46 SPI_RESET O 45 RTS I
48 DBGRX I 47 CTS O
50 DBGTX O 49 RI O
52 AGND 51 AGND
54
MIC1P I
53
SPK1P O
56 MIC1N I 55 SPK1N O
58 MIC2P I 57 SPK2P O
60 MIC2N I 59 SPK2N O