Application Interfaces; Pin Assignment - Quectel FCM561D-P Hardware Design

3

Application Interfaces

3.1. Pin Assignment

1
GND
45
2
GND
RESERVED
3 46
GND GND
4
CHIP_EN 47
GND
5
GND
48
GND
6
USB_DP
49
7 XTAL32K
USB_DM
8 50
GND GND
9
VBAT 51
GND
10
GPIO28
Pins with Different
GND
Functions
FCM561D-P_Hardware_Design
61
77
GND
80
GND
83
GND
USB Power GPIO
Figure 1: Pin Assignment (Top View)
Wi-Fi&Bluetooth Module Series
78 79
GND GND
81 82
GND GND
84 85
GND GND
Audio
UART
32
GPIO45
67
31
GPIO46
GPIO19
66 30
GPIO47 GPIO20
29
65 GPIO21
GPIO18
28
GPIO22
64
GPIO17
27
GPIO23
63
GPIO15 26
MIC_P
62 25
GPIO16 MIC_N
24
61 SPK_P
GPIO14
23
SPK_N
CLK Control Signal
13 /