Vega ARIES IoT User manual

© October, 2022 Centre for Development of Advanced Computing (C
Product Reference Manual
Description
ARIES IoT V1.0 is a feature
includes VEGA ET1031 Microprocessor
easy-to-
use hard are and soft are. The VEGA SDK also provides full ecosystem ith numerous examples
and support do
cumentation. This board is designed and developed by Centre for Development of Advanced
Computing (C-
DAC) as part of the Digital India RISC
Information Technology, Government of India.
Target areas/Ap
plications
Lo po er IoT, Sensor fusion, Smart Meter, System supervisors, Remote sensors, Wearable devices,
Toy and electronic education equipment, Legacy 8/16
more…
ARIES
© October, 2022 Centre for Development of Advanced Computing (C
-DAC)
Product Reference Manual
ARIES IoT V1.0 is a feature
-rich indigenous hard are
platform based on THEAJS32 SoC hich
includes VEGA ET1031 Microprocessor
. This board is built upon a RISC-
V ISA compliant VEGA Processor ith
use hard are and soft are. The VEGA SDK also provides full ecosystem ith numerous examples
cumentation. This board is designed and developed by Centre for Development of Advanced
DAC) as part of the Digital India RISC
-V (DIR-
V) Program, by the Ministry of Electronics and
Information Technology, Government of India.
plications
Lo po er IoT, Sensor fusion, Smart Meter, System supervisors, Remote sensors, Wearable devices,
Toy and electronic education equipment, Legacy 8/16
-
bit applications, Industrial net orking
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platform based on THEAJS32 SoC hich
V ISA compliant VEGA Processor ith
use hard are and soft are. The VEGA SDK also provides full ecosystem ith numerous examples
cumentation. This board is designed and developed by Centre for Development of Advanced
V) Program, by the Ministry of Electronics and
Lo po er IoT, Sensor fusion, Smart Meter, System supervisors, Remote sensors, Wearable devices,
bit applications, Industrial net orking
, and many

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Features
ontroller
THEJAS32 SoC ith VEGA ET1031 Microprocessor
Memory
2MB Flash
256KB SRAM
Peripherals
•
PWM Pins : 8 nos
•
Analog input pins : 4 nos
•
SPI : 3 nos
•
UART : 3 nos
•
I2C : 2 nos
•
GPIOs : 32 nos (23xGPIO, 2xPB, 3xRGB LED
, 2x WIFI, 1xDIGITAL PROXIMITY, 2x
6 AXIS ACCELEROMETER)
lock Speed
Clock Speed : 100MHz
Power
•
Input Voltage : 7-12V
•
DC Current per I/O Pin : 12 mA
•
IO Voltage : 3.3 V
NINA-W102-01B Module (WIFI AND BLUETOOTH MODULE
•Dual-core 32-bit MCU
•Operating supply voltage :3V -3.6V
• Dual/quad SPI
•This radio provides support for Wi-Fi 802.11b/g/n in the 2.4 GHz ISM band and Bluetooth v4.2

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•448 Kbyte ROM and 520 Kbyte SRAM
•16/32 Mbit FLASH and 1 kbit EFUSE (non-erasable memory)
•2.4 GHz PIFA antenna
APDS-9960(PROXIMITY, AMBIENT LIGHT, IR AND GESTURE SENSOR
•Ambient Light and RGB Color Sensing UV and IR blocking filters
•Very high sensitivity Ideally suited for operation behind dark glass
•Proximity sensing ith ambient light rejection
•Complex Gesture sensing
BME680(DIGITAL RELATIVE HUMIDITY, GAS, PRESSURE AND TEMPERATURE SENSOR
•I2C Interface
•supply voltage range: 1.71 V to 3.6 V
•Operating range : - 40 ‒ +85 °C, 0‒100% r.H., 300‒1100 hPa
•Individual humidity, pressure and gas sensors can be independently enabled/disabled
•The product is RoHS compliant, halogen-free, MSL1
BMI088(6 AXIS DIGITAL ACCELEROMETER, GYROSCOPE
•3 Acceleration channel and 3 Angular rate channel
•It has excellent temperature behavior ith an outstanding lo temperature coefficient of the offset
and temperature coefficient of the sensitivity
•SPI Interface

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ONTENTS
1. The Board 5
2. Ratings 5
2.1 Recommended Operating Conditions 5
2.2 Power Consumption 5
3. Functional Overview 5
3.1 Board Topology 5
3.2 Processor 6
3.3 T EJAS32 pinout 6
3.4 Power Tree 9
4. Board Operation 9
4.1 Getting Started 9
5. onnector Pinouts 10
5.1 Board Outline & Mounting oles 13
6. ompany Information 13
7. Reference Documentation 13

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1. The Board
ARIES IoT V1.0 is a feature-rich indigenous hard are platform based on THEAJS32 SoC hich
operates at a frequency of 100MHz. THEJAS32 SoC includes VEGA ET1031 Microprocessor, 256KB internal
SRAM, Three UARTs, Four SPIs, Three TIMERs, Eight PWMs, Three I2C interfaces, 32 GPIOs etc. This board
contains everything needed to support standalone operation. To get started simply connect the board to a
computer ith a USB-C Cable or po er it ith a AC/DC adapter or a battery.
2. Ratings
2.1 Recommended Operating onditions
Symbol Description Min Max
Conservative thermal limits for the
hole board: -0 °C (100°F) 85 °C ( 185°F)
2.2 Power onsumption
Symbol Description Min Typ Max Unit
VINMax Maximum input voltage from VIN pad 7 - 12 V
VUSBMax Maximum input voltage from USB connector - 5.5 V
PMax DC Current per I/O Pin - - 12 mA
3. Functional Overview
3.1 Board Topology
Top view

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Ref. Description Ref. Description
J8 Po er jack U2 THEJAS32 SoC
J6 USB C Connector U1 3.3V Regulator
RESET Reset Button U4 100 MHz Oscillator
LD1 RGB LED U5 SPI Boot Flash Memory
BTN0 Push Button 0 for GPIO U6 Op-amp
BTN1
Push Button 1 for GPIO
U7
1.2V Regulator
LS1 Buzzer U11 WIFI and Bluetooth Module
3.2 Processor
The main controller is THEAJS32 SoC hich operates at a frequency of 100MHz. It includes VEGA
ET1031 Microprocessor, 256KB internal SRAM, Three UARTs, Four SPIs, Three TIMERs, Eight PWMs, Three
I2C interface, 32 GPIOs. Most of its pins are connected to the external headers, ho ever some are reserved
for internal communication.
3.3 THEJAS32 pinout
Pin # Pin Name Pin Description
1
GPIO1(3)
General purpose IO.
2
GPIO1(2)
General purpose IO.
3
PVSSIOC23
Ground reference for IO pins.
4
PVDDIO23
Positive supply for
IO pins. Connect to 3.3V supply.
5
GPIO1(1)
General purpose IO.
6
GPIO1(0)
General purpose IO.
7
SPI3MOSI
SPI 3 Master Out Slave In.
8
PVDDC18
Positive supply for logic. Connect to 1.2V supply.
9
PVSSC18
Ground reference for logic.
10
SPI3MISO
SPI 3 Master
In Slave Out.
11
SPI3CLK
SPI 3 Clock.
12
SPI3CSN
SPI 3 Chip Select.
13
PVSSIOC21
Ground reference for IO pins.
14
PVDDIO21
Positive supply for IO pins. Connect to 3.3V supply.
15
BOOT
Boot select.
16
PROCBT
Heart beat signal.
17
TEDTUPD
Connect to GND.
18
PVDDC17
Positive supply for logic. Connect to 1.2V supply.
19
PVSSC17
Ground reference for logic.
20
TSTCLK
Connect to GND through a 1K resistor.
21
TJTAGTDO
JTAG TDO. Left unconnected.
22
TJTAGTMS
JTAG TMS. Connect to GND through a 1K resistor.
23
TJTAGTDI
JTAG TDI.
Connect to GND through a 1K resistor.
24
PVSSIOC19
Ground reference for IO pins.
25 PVDDIO19 Positive supply for IO pins. Connect to 3.3V supply.
26
PVDDC16
Positive supply for logic. Connect to 1.2V supply.
27
PVSSC16
Ground reference for logic.
28
TJTAGTCK
JTAG TCK. Connect to GND through a 1K resistor

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29
TJTAGTRST
JTAG TRST. Connect to GND through a 1K resistor
30
TSTMODE
Test mode select. Connect to GND through a 1K resistor.
31
IIC2SDA
I2C 2 Serial Data.
32
IIC2SCL
I2C 2 Serial Clock.
33
IIC0SCL
I2C 0 Serial
Clock.
34
IIC0SDA
I2C 0 Serial Data.
35
PVSSC14
Ground reference for logic.
36
PVDDC14
Positive supply for logic. Connect to 1.2V supply.
37
PVDDIO17
Positive supply for IO pins. Connect to 3.3V supply.
38
PVSSIOC17
Ground reference for IO pins.
39
SPI1CSN
SPI 1
Chip Select.
40
SPI1CLK
SPI 1 Clock.
41
SPI1MISO
SPI 1 Master In Slave Out.
42
SPI1MOSI
SPI 1 Master Out Slave In.
43
RSTIN
Reset.
44
CLKSYS
System Clock.
45
URT1SOUT
UART 1 Serial Out / Transmit.
46
PVDDIO15
Positive supply for IO pins. Connect to 3.3V supply.
47
PVSSIOC15
Ground reference for IO pins.
48
PVSSC12
Ground reference for logic.
49
PVDDC12
Positive supply for logic. Connect to 1.2V supply.
50
URT1SIN
UART 1 Serial In / Receive.
51
GPIO0(15)
General purpose IO.
52
GPIO0(14)
General purpose IO.
53
GPIO0(13)
General purpose IO.
54
GPIO0(12)
General purpose IO.
55
GPIO0(11)
General purpose IO.
56
PVSSC11
Ground reference for logic.
57
PVDDC11
Positive supply for logic. Connect to 1.2V supply.
58
GPIO0(10)
General purpose IO.
59
PVDDIO13
Positive supply for IO pins.
Connect to 3.3V supply.
60
PVSSIOC13
Ground reference for IO pins.
61
GPIO0(9)
General purpose IO.
62
GPIO0(8)
General purpose IO.
63
GPIO0(7)
General purpose IO.
64
GPIO0(6)
General purpose IO.
65
GPIO0(5)
General purpose IO.
66
GPIO0(4)
General purpose IO.
67
PVSSC9
Ground reference for logic.
68
PVDDC9
Positive supply for logic. Connect to 1.2V supply.
69
PVDDIO11
Positive supply for IO pins. Connect to 3.3V supply.
70
PVSSIOC11
Ground reference for IO pins.
71
GPIO0(3)
General purpose IO.
72
GPIO0(2)
General
purpose IO.
73
GPIO0(1)
General purpose IO.
74
GPIO0(0)
General purpose IO.
75
PWM(7)
Pulse Width Modulation.
76
PWM(6)
Pulse Width Modulation.
77
PWM(5)
Pulse Width Modulation.

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78
PVSSC7
Ground reference for logic.
79
PVDDC7
Positive supply for logic. Connect to
1.2V supply.
80
PWM(4)
Pulse Width Modulation.
81
PWM(3)
Pulse Width Modulation.
82
PWM(2)
Pulse Width Modulation.
83
PVDDIO8
IO Po er Supply VDD pin.
84
PVSSIOC8
Ground reference for IO pins.
85
PWM(1)
Pulse Width Modulation.
86
PWM(0)
Pulse Width Modulation.
87
SPI0MOSI
SPI 0 Master Out Slave In.
88
PVSSC6
Ground reference for logic.
89
PVDDC6
Positive supply for logic. Connect to 1.2V supply.
90
SPI0MISO
SPI 0 Master In Slave Out.
91
SPI0CLK
SPI 0 Clock.
92
SPI0CSN
SPI 0 Chip Select.
93
PVDDIO6
Positive supply for
IO pins. Connect to 3.3V supply.
94
PVSSIOC6
Ground reference for IO pins.
95
IIC1SDA
I2C 1 Serial Data.
96
IIC1SCL
I2C 1 Serial Clock.
97
SPI2MOSI
SPI 2 Master Out Slave In.
98
SPI2MISO
SPI 2 Master In Slave Out.
99
PVDDC4
Positive supply for logic. Connect to
1.2V supply.
100
PVSSC4
Ground reference for logic.
101
SPI2CLK
SPI 2 Clock.
102
SPI2CSN
SPI 2 Chip Select.
103
PVSSIOC4
Ground reference for IO pins.
104
PVDDIO4
Positive supply for IO pins. Connect to 3.3V supply.
105
URT2SIN
UART 2 Serial In / Receive.
106
URT2SOUT
UART 2 Serial Out / Transmit.
107
URT0SIN
UART 0 Serial In / Receive.
108
URT0SOUT
UART 0 Serial Out / Transmit.
109
GPIO1(15)
General purpose IO.
110
GPIO1(14)
General purpose IO.
111
GPIO1(13)
General purpose IO.
112
PVDDC2
Positive supply for logic. Connect to 1.2V
supply.
113
PVSSC2
Ground reference for logic.
114
PVSSIOC2
Ground reference for IO pins.
115
PVDDIO2
Positive supply for IO pins. Connect to 3.3V supply.
116
GPIO1(12)
General purpose IO.
117
GPIO1(11)
General purpose IO.
118
GPIO1(10)
General purpose IO.
119
GPIO1(9)
General purpose IO.
120
GPIO1(8)
General purpose IO.
121
GPIO1(7)
General purpose IO.
122
GPIO1(6)
General purpose IO.
123
PVSSIOC0
Ground reference for IO pins.
124
PVDDIO0
Positive supply for IO pins. Connect to 3.3V supply.
125
PVDDC0
Positive supply for logic.
Connect to 1.2V supply.

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3.4 Power Tree
4. Board Operation
4.1 Getting Started
To use Vega Arduino IDE for programming follo the steps given in the link belo
•For Linux; https://bit.ly/vega-linux
•For Windo s; https://bit.ly/vega- indo s
To use Eclipse IDE for programming follo the steps given in the link belo
•https://cdac-vega.gitlab.io/sdkuserguide.html
126
PVSSC0
Ground reference for logic.
127
GPIO1(5)
General purpose IO.
128
GPIO1(4)
General purpose IO.
VIN
VCC_USB
LDO
OPAMP
VCC_5V
LDO
VCC_3.3V
LDO
VCC_1.2V
Thejas32 SoC
FTDI
ADC
SPI Flash
LEDs
SENSORS
WIFI

© October, 2022 Centre for Development of Advanced Computing (C
5. onnector Pinouts
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SL
NO. SPECIFICATIONS THEJAS 32 ARIES BOARD REMARKS
1
SPI (4)
SPI0_SS
J1_8
Connected to HEADER J1
2
SPI0_SCLK
J1_5
3
SPI0_MISO
J1_6
4
SPI0_MOSI
J1_7
5
SPI1_SS
U11
_
28
Connected to WIFI (U11)
Module
6
SPI1_SCLK
U11
_
29
7
SPI1_MISO
U11
_
1
8
SPI1_MOSI
U11
_
21
9
SPI2_SS
U14
_
14
Connected to BMIO88 (U14) IC
10
SPI2_SCLK
U14
_
8
11 SPI2_MISO
U14
_
10,
U14_15
12
SPI2_MOSI
U14
_
9
13
SPI3_SS
U5_1
Connected to SPI BOOT FLASH IC
14
SPI3_SCLK
U5_6
15
SPI3_MISO
U5_2
16
SPI3_MOSI
U5_5
17
I2C (3)
SCL
J10_12
Connected to HEADER J10
18
SDA
J10_10
19
SCL_1
J1_1
Connected to HEADER J1
20
SDA_1
J1_2
21 SCL_2
U13
_
7, U9_14,
U12_4 Connected to APDS-9960 IC
(U11), BME680 IC(U12) AND I2C
ADC IC(U9)
22 SDA_2
U9_
15, U13_1,
U12_3
23
UART (3)
UART0_RXD
U10_15
Connected to UART TO USB
INTERFACE IC
24
UART0_TXD
U10_2
25
UART1_RX
J2_15
Connected to HEADER J2
26
UART1_TX
J2_13
27
UART2_RX
U11
_
22
Connected to WIFI(U11) Module
28
UART2_TX
U11
_2
3
29
PWM (8)
PWM[0]
J2_5
Connected to HEADER J2
30
PWM[1]
J2_3
31
PWM[2]
J2_1
32
PWM[3]
J1_10
Connected to HEADER J1
33
PWM[4]
J1_9
34
PWM[5]
J3_3
Connected to HEADER J3
35
PWM[6]
J3_2
36
PWM[7]
J3_1
37
GPIO (32)
GPIO0
J2_11
Connected to HEADER J2
38
GPIO1
J2_9
39
GPIO2
J2_7
40
GPIO3
J2_16
41
GPIO4
J2_14

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42
GPIO5
J2_12
43
GPIO6
J2_10
44
GPIO7
J2_8
45
GPIO8
J2_6
46
GPIO9
J2_4
47
GPIO10
J2_2
48
GPIO11
J3_8
Connected to HEADER J3
49
GPIO12
J3_7
50
GPIO13
J3_6
51
GPIO14
J3_5
52
GPIO15
J3_4
53
GPIO16
U11_
7
Connected to WIFI (U11)
Module
54
GPIO17
U11_27
55
GPIO18
BTN1_1
Connected to PUSH BUTTON
56
GPIO19
BTN0_1
57 GPIO20 U11_19
Connected to WIFI (U11)
MODULE
58
GPIO21
U14_5
Connected to BMI088(U14) IC
59 GPIO22 LD1_4
Connected to
GREEN of RGB
LED
60
GPIO23
LD1_3
Connected to BLUE of RGB LED
61
GPIO24
LD1_2
Connected to RED of RGB LED
62
GPIO25
J9_7
Connected to HEADER J9
63
GPIO26
J9_6
64
GPIO27
J9_5
65
GPIO28
J9_4
66
GPIO29
J9_3
67
GPIO30
J9_2
68
GPIO31
J9_1
69
CLOCK
CLK_100M
U4_3
Connected to OSCILLATOR
70
RESET
PUSH_RESETN
U 8_1
Connected to RESET IC
71
HEART BEAT LED
PROC_HEART_BEAT
LD4_1
Connected to LED
72 BOOT SELECT BOOT_SEL J12_1 Connected to HEADER J12
73 ADC_CH0 _
J10_2
ANALOG INPUTS Connected to
HEADER J10 & I2C ADC IC
74 ADC_CH1 -
J10_4
75 ADC_CH2 -
J10_6
76 ADC_CH3 -
J10_8
77 ADC_CH4 -
J10_5
78 ADC_CH5 _
J10_3
79 ADC_CH6 _
J10_1
U9_7
76
ADC_CH
7
_
U9_8

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5.1 Board Outline & Mounting Holes
( Dimensions in mm[mil] )
6. ompany Information
Company name C-DAC
Company Address
Hard are Design Group
Centre for Development of Advanced Computing (C-DAC)
Thiruvananthapuram, Kerala – 695033
Fax: [phone] Email: [email protected]
.vegaprocessors.in
.cdac.in
7. Reference Documentation
Reference Link
ARIES IoT V1.0 details .vegaprocessors.in/devboards/ariesv2