User's Guide

Wearable EVK User Guide
AN-21011301-E1
19
Ver.1.0.0
12
D4
Bit data bus
13
SD1
Serial input signal in serial interface mode
14
D5
Bit data bus
15
SD0
Serial output signal in serial interface mode
16
D6
Bit data bus
17
IM1
Interface type selection
18
D7
Bit data bus
19
IM0
Interface type selection
20
IOVCC
Power Supply for I/O system
21
VBAT
Driver analog power supply
22
GND
Ground
23
VBAT
Driver analog power supply
24
GND
Ground
1.4.3 Heart Rate Interface
EVK provides two type of heart rate interfaces to support a variety of heart rate modules.