Product Specs

Product Specification
Spec-BMS002-V1.7 Page
12
of
26
www.sunitec-cn.com
®
Table 6.1-1
Pin No. Pin T
y
pe Pull-T
y
pe Power domain Pin Name Description
1 P - - GND Ground reference
2 P - - GND Ground reference
3 P - - GND Ground reference
4 P - - GND Ground reference
5 P - - GND Ground reference
6 P - - GND Ground reference
7 P - - GND Ground reference
8 P - - GND Ground reference
9 P - - GND Ground reference
10 P - - GND Ground reference
11 P - - GND Ground reference
12 P - - GND Ground reference
13 P - - GND Ground reference
15 P - - GND Ground reference
16 P - - GND Ground reference
17 P - - GND Ground reference
18 P - - GND Ground reference
19 P - - GND Ground reference
20 P - - GND Ground reference
21 P - - GND Ground reference
22 P - - GND Ground reference
27 P - GND Ground reference
28 P - GND Ground reference
41 P - - GND Ground reference
42 P - - GND Ground reference
43 P - - GND Ground reference
48 P - - GND Ground reference
49 P - - GND Ground reference
50 P - - GND Ground reference
55 P - - GND Ground reference
56 P - - GND Ground reference
57 P - - GND Ground reference
62 P - - GND Ground reference
63 P - - GND Ground reference
64 P - - GND Ground reference
69 P - - GND Ground reference
70 P - - GND Ground reference
71 P - - GND Ground reference
76 P - - GND Ground reference
77 P - - GND Ground reference
78 P - - GND Ground reference
14 AI - - BT_RFIN
Bluetooth 50 ohm transmitter output and receiver
input
36 DIO PD DVDD_IO_0 GPIO0
General purpose input/output, Pin 0
Alternate Pin Functions:

UART (0)

Audio_EXT_SYNC_
40 DIO PD DVDD_IO_0 GPIO1
General purpose input/output, Pin 1
Alternate Pin Functions:

UART (0)
 SRCLKENAI
_
FREF
23 DIO PD DVDD_IO_0 GPIO2
General purpose input/output, Pin 2
Alternate Pin Functions:
 DMIC (0)
 RESETB
_
OUT
32 DIO PD DVDD_IO_0 GPIO3
General purpose input/output, Pin 3
Alternate Pin Functions:

UART (0)
 DMIC(0)
 UART(2)
 SPI Master(2)
47 DIO PD DVDD_IO_0 GPIO4 General purpose input/output, Pin 4
Confidential-Release to Stsapp from Sunitec on 20211110