USER GUIDE
Ɩ
EM8500 SERIES
Copyright
2016, EM Microelectronic-Marin SA
EMDVK8500-MN01, Version 2.0, 5-Jul-16
16
420005-A01, 3.0
6
APPLICATION INTERFACE
The application connector APP1 (J104) and APP2 (J107) provides all the connections for the application.
The application board can be connected to APP1 and APP2 or the user can access the connectors APP1 and APP2 and
its test points.
APP 2
1 GND
2 VSUP
3 VDD_HRV
4 VAUX_GND_0
5 VAUX_GND_1
6 VAUX_GND_2
7 3V3
8 N.C.
9 BAT_LOW
10 HRV_LOW
11 WAKE_UP
12 VDD_STS
13 APP_ADC_CHANNEL
14 GND
APP1
1 GND
2 VSUP
3 VAUX_0
4 VAUX_1
5 VAUX_2
6 N.C.
7 N.C.
8 SCL
9 SDA
10 SCLK
11 MOSI
12 MISO
13 CS
14 GND
Figure 6-1 EMDVK8500 Daughter board – application connections APP2 (J107) and APP1 (J104) - top
view
I/O TYPE
DESCRIPTION
NO.
PIN NAME
DIRECTION
(*)
SUPPLY
1
GND
Supply
-
System ground connection (EM8500 device ground)
2
VSUP
Input
-
Main supply
3
VAUX[0]
Input
–
Auxiliary 0 supply input connection
4
VAUX[1]
Input
–
Auxiliary 1 supply input connection
5
VAUX[2]
Input
–
Auxiliary 2 supply input connection
6
N.C.
Reserved
7
N.C.
Reserved
8
SCL
(*)
Output
VSUP
I
2
C clock connection
9
SDA
(*)
Inout
VSUP
I
2
C data connection
10
SCLK
(*)
Output
VSUP
SPI clock connection
11
MOSI
(*)
Output
VSUP
SPI MOSI connection
12
MISO
Input
VSUP
SPI MISO connection
13
CS
Output
VSUP
SPI chip select and SPI/I
2
C selection mode (when at ‘1’)
14
GND
Supply
-
System ground connection (EM8500 device ground)
Table 6-1 APP1 Pin-out description
(*):
DIRECTION is defined from the application point of view
(*):
Pin 8 (SCL I
2
C clock) and Pin 10 (SCLK SPI clock) are connected together on the Base Board.
(*):
Pin 9 (SDA I
2
C data) and Pin 11 (MOSI SPI data) are connected together on the Base Board.
I/O TYPE
DESCRIPTION
NO.
PIN NAME
DIRECTION
(*)
SUPPLY
1
GND
Supply
-
System ground connection (EM8500 device ground)
2
VSUP
Output
-
Main supply Output
3
VDD_HRV
Output
–
Connection to the energy harvester
4
VAUX_GND[0]
Input
–
Auxiliary 0 ground connection
5
VAUX_GND[1]
Input
–
Auxiliary 1 ground connection
6
VAUX_GND[2]
Input
–
Auxiliary 2 ground connection
7
3V3
Input
-
+3.3V voltage
8
N.C.
Reserved
9
BAT_LOW
Input
VSUP
Battery low indicator (when at ‘1’)
10
HRV_LOW
Input
VSUP
Energy harvester cell low indicator (when at ‘1’)
11
WAKE_UP
Output
All
Wake-up pin
12
VDD_STS
I/O
–
Connection for the Short Term energy Storage element
13
APP_ADC_CHANNEL
Output
-
Application output for ADC channel acquisition
14
GND
Supply
-
System ground connection (EM8500 device ground)
Table 6-2 APP2 Pin-out description
(*):
DIRECTION is defined from the application point of view
