Atmel SMART ATSAMC21MOTOR Bedienungsanleitung
SMART ARM-based Microcontrollers
ATSAMC21MOTOR
USER GUIDE
Atmel-42770A-ATSAMC21MOTOR_User Guide-09/2016
Table of Contents
1. ATSAMC21 Microcontroller Card for Atmel Motor Control Starter Kit....................... 3
2. ATSAMC21MOTOR Features....................................................................................4
3. ATSAMC21MOTOR Kit Content................................................................................5
4. Design Documentation and Relevant Links...............................................................6
5. ATSAMC21J18A MCU Board.................................................................................... 7
5.1. Power Supply............................................................................................................................... 8
5.2. Main MCU Circuit......................................................................................................................... 8
5.3. Embedded Debugger................................................................................................................... 8
5.4. 67-pin MCU-DRIVER Board Interface..........................................................................................8
6. Product Compliance................................................................................................ 12
7. Identifying Product ID and Revision.........................................................................13
8. Revision...................................................................................................................14
9. Document Revision History..................................................................................... 15
Atmel ATSAMC21MOTOR [USER GUIDE]
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1. ATSAMC21 Microcontroller Card for Atmel Motor Control Starter Kit
The ATSAMC21J18A is an MCU card for Atmel® Motor control starter kits. The hardware has the Atmel |
SMART ARM®-based MCU, ATSAMC21J18A, with integrated on-board debug support. The MCU card
can be directly used with the ATSAMBLDCHV-STK® high voltage motor control kit and the currently
available ATSAMD21BLDC24V-STK, a low voltage BLDC, PMSM motor control starter kit. The kit
contains a driver board hardware with half-bridge power MOSFET drivers, current and voltage sensing
circuit, Hall, and Encoder interface, fault protection circuits, etc. Supported by the Atmel studio integrated
development platform, the kit provides easy access to the features of ATSAMC21J18A MCU and explains
how to integrate the device in a custom motor control application. Plug-able MCU cards are available
from Atmel, supporting other SMART ARM MCUs.
Atmel ATSAMC21MOTOR [USER GUIDE]
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2. ATSAMC21MOTOR Features
ATSAMC21MOTOR has the following features:
The same port pins are multiplexed between multiple functionalities. PFC, CAN, QTouch®, etc. interfaces
are supported only in ATSAMBLDCHV-STK hardware as indicated below.
•Debug support using on-board Atmel EDBG device
•TCC PWM signals for three-phase half-bridge drive
•ADC channels for common shunt and individual shunt phase current sensing
•ADC channels for motor BEMF sensing
•TCC PWM signals for PFC hardware drive (High Voltage kit)
•ADC channels for PFC current sensing (High Voltage kit)
•AC channels for BEMF signals (Low Voltage kit)
•EXTINT hall sensor interface
•EXTINT encoder sensor interface
•PTC QTouch Interface signals (High Voltage kit)
•CAN interface (High Voltage kit)
•Atmel Xplained PRO extension signals support (Low Voltage kit)
•Communication and Power status LEDs
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3. ATSAMC21MOTOR Kit Content
ATSAMC21MOTOR Kit contains an ATSAMC21J18A MCU card that is pre-programmed with hall sensor
based block commutation firmware for the ATSAMD21BLDC24V-STK setup. A quick start guide can be
found in the ATSAMBLDC24V-STK User quide for Atmel Low voltage BLDC motor control kit. A nylon
snap lock is attached to the MCU card that can be rotated to attach the card to the Driver base board in
ATSAMD21BLDC24V-STK.
Figure 3-1. ATSAMC21MOTOR Kit Content
Atmel ATSAMC21MOTOR [USER GUIDE]
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4. Design Documentation and Relevant Links
The following list contains links to the most relevant documents and software for ATSAMC21MOTOR:
•ATSAMC21MOTOR - Product page.
•ATSAMC21MOTOR User Guide - PDF version of this User Guide.
•ATSAMD21BLDC24V-STK - Product page.
•ATSAMBLDC24V-STK User guide - User guide for Atmel Low voltage BLDC motor control kit. It
contains the quick start guide instructions and driver board descriptions.
•ATSAMD21BLDC24V-STK Design Documentation - Package containing schematics, BOM,
assembly drawings, 3D plots, layer plots, etc.
•Atmel Studio - Free Atmel IDE for development of C/C++ and assembler code for Atmel
microcontrollers.
•EDBG User Guide - User guide containing more information about the on-board Embedded
Debugger.
•Atmel Data Visualizer - Atmel Data Visualizer is a program used for processing and visualizing
data. Data Visualizer can receive data from various sources such as the Embedded Debugger Data
Gateway Interface found on Xplained Pro boards and COM ports.
•Xplained Pro products - Atmel Xplained Pro is a series of small-sized and easy-to-use evaluation
kits for Atmel microcontrollers and other Atmel products. It consists of a series of low-cost MCU
boards for evaluation and demonstration of features and capabilities of different MCU families.
•ATSAMC21MOTOR - MCU datasheet.
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5. ATSAMC21J18A MCU Board
The main components on the ATSAMC21MOTOR MCU card are highlighted in the PCB and in the block
diagram given below.
Figure 5-1. MCU Board PCB
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Figure 5-2. MCU Board Block Diagram
5.1. Power Supply
The ATSAMC21J18A MCU takes 5VDC supply from the 67-pin edge connector. The EDBG debug MCU
operates on a 3.3VDC supply from the same edge connector. The power supply selection jumper on the
Driver board (ATSAMBLDCHV-STK and ATSAMBLDC24V-STK) should be connected to 5V (silk screen
text) selection.
5.2. Main MCU Circuit
The ATSAMC21MOTOR has an ATSAMC21 device. The device is intended to work with the MCU internal
clock source. An external reset switch is connected to the MCU RESET pin.
5.3. Embedded Debugger
The ATSAMC21J18A MCU is interfaced to the EDBG debug device. The EDBG uses SWD interface for
programming and debugging the main MCU. A debug header is also provided on the MCU board with
ARM Cortex® debug pinout. An external debugger can be connected to this debug port.
The DGI is a proprietary communication interface used by the Atmel Data Visualizer software to
communicate with the development kits through the EDBG. The SERCOM5 of the ATSAMC21J18A
connected to the EDBG device, supports the DGI SPI interface and uses the Atmel ADP protocol. The
MCU SERCOM5 is also connected to the UART channel of the EDBG through a pair of "normally open"
jumpers; J201 and J202. Shorting these jumpers will enable the CDC UART interface for the main MCU.
High Speed USB port of the EDBG is accessible at the driver board. EDBG USB enumerates as a
composite device supporting debug, DGI SPI, and CDC interfaces.
5.4. 67-pin MCU-DRIVER Board Interface
MCU pins are connected to the 67-pin interface header as given in the table below. The MCU card can be
used with the Motor control driver kits from Atmel. The table given below describes the interface with
Atmel low voltage motor control starter kit. Signals indicated by "||" are jumper connected pins that share
directly connected functionality. The normally-open jumper needs to be shorted in the PCB in order to
access these additional features.
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Table 5-1. ATSAMBLDC24V-STK and ATSAMC21J18A MCU Card Interface (67 pin NGFF connector)
Description
PIN LV INTERFACE Name LV DRIVER BOARD
function
SAM C21 PIN SAM C21 function
1 EDBG USB HSP EDBG USB EDBG_USB_HS_P EDBG_USB_HS_P
2 NC NC PA24 CAN TX
3 EDBG USB HSN EDBG USB EDBG_USB_HS_N EDBG_USB_HS_N
4 EDBG ID2 EDBG_ID2/EXT1_1 EDBG PB01 EDBG ID2
5 NC NC PA25 CAN RX
6 EDBG ID1 EDBG_ID1 EDBG PA28 EDBG_ID1
7 MCU USB DP TARGET_USB_HS_P NC NC
8 TARGET USB VBUS VCC_TARGET_USB_
P5V0
NC NC
9 MCU USB DN TARGET_USB_HS_N NC NC
10 EDBG USB VBUS VCC_EDBG_USB_P5
V0
VCC_EDBG_USB_P5
V0
VCC_EDBG_USB_P5
V0
11 TARGET_USB_ID TARGET_USB_ID NC NC
12 TEMP SDA TWI_SDA, EXT1_11 PA22 SERCOM3(PAD0)
13 TEMP SCL TWI_SCL, EXT_12 PA23 SERCOM3(PAD1)
14 FLASH SS SPI_SS PB13 SERCOM4(PAD1)
15 FLASH MISO SPI_MISO, EXT1_17 PB12 SERCOM4(PAD0)
16 FLASH SCK SPI_SCK, EXT1_18 PB15 SERCOM4(PAD3)
17 FLASH MOSI SPI_MOSI, EXT1_16 PB14 SERCOM4(PAD2)
18 MCU GPIO1 EXT1_7(GPIO1) PA19 PTC(X5)
19 MCU GPIO2 EXT1_8(GPIO2) PB03 TC6(W1)
20 MCU GPIO3 EXT_3 PA02 ADC0(AIN0)
21 MCU GPIO4 NC(GPIO4) PB22 TC7(WO0)
22 MCU GPIO5 EXT1_5(GPIO5) PB31 GPIO
23 MCU GPIO6 EXT1_6(GPIO6) PA17 EXTINT1
24 MCU GPIO7 Temp_Alert(GPIO7) PA27 EXTINT15
25 OCP OCP(GPIO8) PA03 ADC0(AIN1)
26 EXT1 RXD UART RXD_ EXT1_13 PB17 SERCOM5(PAD1)
27 EXT1 TXD UART TXD_EXT1_14 PB02 SERCOM5(PAD0)
28 PWM UH FET Driver PB30 TCC0(WO0)
29 PWM UL FET Driver PA14 TCC0(WO4)
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30 PWM VH FET Driver PA05 TCC0(WO1)
31 PWM VL FET Driver PA15 TCC0(WO5)
32 PWM WH FET Driver PA10 TCC0(WO2)
33 PWM WL FET Driver PA16 TCC0(WO6)
34 MCU_GPIO8
(ISENSE_COMMON)
EXT_15 PB05 ADC1(AIN7)
35 ATA RESET EXT1_4(GPIO10) PB16 GPIO
36 ATA WD EXT1_10(GPIO11) PA12 TCC2(WO0)
37 ATA SLEEP EXT1_9(GPIO12) PA13 TCC2(WO1)
38 USHUNT_ADC Current sense PB08 ADC0(AIN2)
39 VSHUNT_ADC Current sense PB09 ADC0(AIN3)
40 WSHUNT_ADC Current sense PA08 ADC0(AIN8)
41 MOTOR VDC (V
SENSE)
MOTOR_ADC PA09 ADC0(AIN9)
42 BEMF U_ADC BEMF sense ADC PB00 ADC1(AIN0)
43 BEMF V_ADC BEMF sense ADC PB01 ADC1(AIN1)
44 BEMF_W_ADC BEMF sense ADC PB06 ADC1(AIN8)
45 BEMF UP BEMD sense AC PA04 ADC0(AIN4)
46 BEMF UN BEMD sense AC PB07 ADC1(AIN9)
47 BEMF VP BEMD sense AC PA06 ADC0(AIN6)
48 BEMF VN BEMD sense AC NC NC
49 BEMF WP BEMD sense AC PA07 ADC0(AIN7)
50 BEMF WN BEMD sense AC NC NC
51 HALL1 Hall interface PB11 EXTINT11
52 HALL2 Hall interface PB04 EXTINT4
53 HALL3 Hall interface PA28 EXTINT8
54 HALL TRX OE HALL_TRX_OE NC NC
55 ENCODER_A Encoder Interface PA18 EXTINT2
56 ENCODER_B Encoder Interface PB10 EXTINT10
57 ENCODER_Z Encoder Interface PB23 EXTINT7
58 ENCODER_EN ENCODER EN NC NC
59 NC NC VCC_P3V3 VCC_P3V3
60 MCU BRAKE NC PA11 TC1(WO1)
61 NC NC VCC-P3V3 VCC_P3V3
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