Micro Sd Interface - Siemens SIMATIC IOT Operating Instructions Manual

Hardware descriptions
10.5 Internal interfaces
Pin
62
60
58
56
54
52
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
10.5.5

Micro SD interface

X50
Pin
1
2
3
4
5
6
122
Signal Name
COEX_TXD
COEX3
PEWAKE#
CLKREQ#
PERST#
UIM_PWR
UIM_DATA
UIM_CLK
UIM_RESET
ADD-IN CARD KKEY B
ADD-IN CARD KKEY B
ADD-IN CARD KKEY B
ADD-IN CARD KKEY B
W_DISABLE1#
FULL_CARD_POWER_OFF#
3.3 V
3.3 V
Abbreviation Function
Dat2 Data line bit 2
Dat3 Card Detect / data line bit 3
CMD Command Line
Vdd Voltage supply 2.7–3.6 V
Clk Clock input
GND Signal Ground
Pin Signal Name
63
61
59
57 GND
55 REFCLKp
53 REFCLKn
51 GND
49 PETp0
47 PETn0
45 GND
43 PERp0
41 PERn0
39 GND
37 USB3.1-Tx+
35 USB3.1-Tx-
33 GND
31 USB3.1-Rx+
29 USB3.1-Rx-
27 GND
25
23
21 CONFIG_0
19 ADD-IN CARD KKEY B
17 ADD-IN CARD KKEY B
15 ADD-IN CARD KKEY B
13 ADD-IN CARD KKEY B
11 GND
9 USB_D-
7 USB_D+
5 GND
3 GND
1 CONFIG_3
Operating Instructions, 03/2024, A5E39456816-AF
SIMATIC IOT2050