Data Sheet

EH-ES101
Ehong
®
Professional Bluetooth Solutions Provider page 5 of 14
4.
Pinout and Terminal Description
4.1. Pin Configuration
Figure 1 Pinout of EH-ES101
Symbol
PAD Type
Description
DIO0
General purpose digit I/O
See IO function map
DIO1
General purpose digit I/O
See IO function map
DIO2
General purpose digit I/O
See IO function map
DIO3
General purpose digit I/O
See IO function map
DIO5
General purpose digit I/O
See IO function map
DIO6
General purpose digit I/O
See IO function map
DIO9
General purpose digit I/O
See IO function map, also
work as SWDCLK
DIO10
General purpose digit I/O
See IO function map, also
work as SWDIO
VDD1V2
1.2V digit core output
Connect a capacitor
DIO11
General purpose digit I/O
See IO function map
DIO12
General purpose digit I/O
See IO function map
SMPT2
SMPS output to external filter / VCC input
Connect to VCC or an
inductor
SMPT1
SMPS output to external filter
GND
Powered ground