User Manual

Stereo Module

2015 Microchip Technology Inc.
Page 9
P
reliminary
Edition
Pin No. I/O Name Description
15 P GND Ground
16 I RST_N System Reset Pin, active when rising edge.
17 -- NC --
18 -- NC --
19 P VDDIO Power output, VDDIO pin, no need to add power to this pin
20 I/O P1_5
IO pin, default pull-high input
21 I/O P0_1
IO pin, default pull-high input
22 P ADAP_IN 5V power adaptor input
23 P BAT_IN 3.3~4.2V Li-ion battery input
24 -- NC --
25 P SYS_PWR
System Power Output
BAT mode: 3.3~4.2V
Adapter mode: 4.0V
26 P BK_OUT Power output, 1v8 pin, no need to add power to this pin
27 P MFB
1.
Power key when in off mode
2. UART_RX_IND: MCU use to wakeup BT
28 P LED1 LED Driver 1, 4mA max
29 P LED2 LED Driver 2, 4mA max
30 I P2_4
IO
pin
, default pull
-
high input
System Configuration,
L: Boot Mode with P2_0 low combination
31 I/O P0_2 IO pin, default pull-high input
32 I/O P0_3
IO pin, default pull-high input
33 O HCI_TXD HCI-UART TX data
34 I HCI_RXD HCI-UART RX data
35 I/O P0_5 IO pin, default pull-high input
36 I/O P2_7 IO pin, default pull-high input
37 I/O P2_0 IO pin, default pull-high input
38 I/O P3_0 IO pin, default pull-high input
39 I P2_0
IO
pin
, default pull
-
high input
System Configuration,
H: Application L: Baseband(IBDK Mode)
40 P GND Ground.
41 -- NC --
42 -- NC --
43 -- NC --
* I: signal input pin
* O: signal output pin
* I/O: signal input/output pin
* P: power pin
Note 1: These button or functions can be setup by “IS20XXS_UI” tool.