Proconx XNUT-100 User manual
XNUT-100
Hardware Manual
Edition 1.0
June 2005
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XNUT-100 Hardware Manual
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Table of Contents
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XNUT-100 Hardware Manual
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1 Introduction
1 Introduction
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XNUT-100 Hardware Manual
1.1 Features
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2 Getting Started
2 Getting Started
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2.1 Unpacking and Handling Instructions
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2.3 Regulatory Notes
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2.4 Location of Connectors
2.4 Location of Connectors
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2.5 Block Diagram
9
J9
SER0 RS-232
J7
SER1 RS-232 Ethernet
J2
TX
+
TX-
RX-
RX+
RI
TD
RD
GND
RTS
CTS
CD
TD
RD
GND
V
+
10-30
V DC
V
–
J3
A–
B+
B+
GND
A–
GND
SER1
RS-485
J6
B+
SER0
RS-485
LED's
32 KB
SRAM
RTL8019AS
Ethernet
Controller
Real Time Clock
32 or 64 KB
EEPROM or
FRAM
RS-232
Line Driver
RS-485
Line Driver
24 V DC
Switch Mode
Power Supply
ATmega128
AVR RISC uC
128 KB Flash ROM
4 KB EEPROM
2 8-bit & 2 16-bit timer/counter
Dual USART
Daughterboard Connector JTAG
Port Selection
Logic RS-232
Port Ser0
RS-232
Port Ser1
RS-485/RS-422
Port
Ser0/Ser1
10BASE-T
Ethernet
I2C Bus
System Bus
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XNUT-100 Hardware Manual
3 The Enclosure
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3.1 Clipping the XNUT on the DIN rail
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3.2 Removing from the DIN rail
3.2 Removing from the DIN rail
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3.3 Mounting Rules
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3.4 Opening the Enclosure
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4 Connecting a JTAG Programmer
4 Connecting a JTAG Programmer
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JTAGEIC mkII connected to XNUT-100 circuit board
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XNUT-100 Hardware Manual
Connection of the JTAGICE mkII probe to J1
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4.1 JTAG Connector J1
4.1 JTAG Connector J1
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Pin Signal Function AVR I/O Pin
1 TCK Test clock PF4
2 GND Logic supply ground
3 TDO Test data output PF6
4 VCC +5 V logic supply voltage. Max. 100 mA may be drawn.
5 TMS Test mode select PF5
6 RESET Reset signal RESET
7Vsupply Optional +5 V supply voltage from JP1 to power programmer
from target board. Max. 100 mA may be drawn.
8NC (not connected)
9 TDI Test data input PF7
10 GND Logic supply ground
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XNUT-100 Hardware Manual
5 Connecting your Peripherals
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J1 JTAG
J2 Ethernet
J3 Power supply
J4 n/a
J5 n/a
J6 RS-485/RS-422
J7 RS-232 (SER1)
J8 Optional Daughter Board
J9 RS-232 (SER0)
5.1 Power Supply Connector J3
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Pin Signal Function
1 V+ Positive voltage supply (10 – 30 V DC)
2 V- Negative voltage supply, ground
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V +
10-30
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V –
J3
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5.2 RS-232 Connector J9 (SER0)
5.2 RS-232 Connector J9 (SER0)
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Pin Signal Function AVR I/O Pin
1 CD Carrier detect PB6
2 TD Transmit data PE1
3 RD Receive data PE0
4 NC (not connected)
5 GND Signal Ground
6 NC (not connected)
7 CTS Clear to send PE6
8 RTS Request to send PB4
9 RI Ring indicator PB7
FG Connector frame/shell is connected to ground
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GND
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RI
RTS
CTS
SER0 RS-232
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XNUT-100 Hardware Manual
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1NC (not connected)
2 TD Transmit data PD3
3 RD Receive data PD2
4NC (not connected)
5 GND Signal Ground
6NC (not connected)
7NC (not connected)
8NC (not connected)
9NC (not connected)
FG Connector frame/shell is connected to ground
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5.3 RS-232 Connector J7 (SER1)
5.3.2 Shielding and Earthing Requirements
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5.4 RS-485/422 Connector J6
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Pin Signal RS-485 Function RS-422 Function AVR I/O Pin
1 GND Signal Ground Signal Ground
2 RX/TX0+ B+ TX+
3 RX/TX0- A- TX- PE0 & PE1
4 GND Signal Ground Signal Ground
5 RX/TX1+ B+ RX+
6 RX/TX1- A- RX- PD2 & PD3
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A–
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B+
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A–
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SER1
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SER0
RS-485
TX–
RX+
TX+
GND
RX–
GND
RS-422
J6
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XNUT-100 Hardware Manual
5.4.2 Cable type Maximum Cable Length
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5.4.3 Shielding and Earthing Requirements
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5.5 10BASE-T Ethernet Connector J2
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Pin Signal Function
1 TX+ Transmit
2 TX- Transmit
3 RX+ Receive
4
5(connected
together) Termination network
6 RX- Receive
7
8(connected
together) Termination network
FG Connector frame/shell is connected to ground
5.5.1 Cable Type and Maximum Length
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Ethernet
TX
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TX-
RX-
RX+
J2
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