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Transcript
LPC-MT-2138 development board
Users Manual
All boards produced by Olimex are ROHS compliant
Rev. Initial, September 2005
Copyright(c) 2010, OLIMEX Ltd, All rights reserved
Page 1
INTRODUCTION
LPC-MT-2138 is small terminal board which uses LPC2138 microcontroller.
With its LCD, relay, five buttons, variety of interfaces such as RS232, JTAG, I2C,
Dallas and extension connector for some of the microcontroller's pins this board is
suitable for different embedded systems applications.
BOARD FEATURES
–
Microcontroller: LPC2138 16/32 bit ARM7TDMI-S with 512K Bytes
Program Flash, 32K Bytes RAM, RTC, 8x 10 bit ADC 2.44 uS, 2x UARTs, I2C, SPI, 2x
32bit TIMERS, 8x CCR, 6x PWM, WDT, 5V tolerant I/O, up to 60MHz operation
–
JTAG connector as per ARM's 2x10 pin layout, ARM-JTAG (Wiggler)
compatible
–
14.7456 Mhz crystal on socket, allow easy communication setup (4x PLL =
58,9824 Mhz CPU clock)
–
RS232 interface circuit with SUB-D 9 pin connector
–
LCD16x2 display with BACKLIGHT
–
five buttons
–
Dallas iButton port
–
Frequency input
–
Relay with 10A/250VAC contacts
–
Buzzer
–
Status LED
–
RESET circuit
–
RESET button
–
Bootloader enable jumper and pullup
–
DEBUG jumper for JTAG enable/disable
–
RTCK pullup resistors
–
Power plug-in jack
–
power supply: 9VAC/+12VDC
–
three on board voltage regulators 1.8V, 3.3V and 5V
–
power supply filtering capacitor
–
Four mounting holes
–
PCB: FR-4, 1.5 mm (0,062"), soldermask, white silkscreen component print
–
Dimensions: 120x38 mm (4.75x1.5")
Page 2
Page 3
ELECTROSTATIC WARNING
The LPC-MT-2138 board is shipped in protective anti-static packaging. The board
must not be subject to high electrostatic potentials. General practice for working
with static sensitive devices should be applied when working with this board.
BOARD USE REQUIREMENTS
Cables:
Depends on the used programming/debugging tool. It could be 1.8
meter USB A-B cable to connect ARM-JTAG-EW, ARM-USB-OCD, ARM-USB-TINY
and ARM-USB-TINY-H to USB host on PC or LPT cable in case of ARM-JTAG or
other programming/debugging tools. You will need a serial cable if not for
programming, than for configuring the board.
Hardware:
Programmer/Debugger – some of Olimex programmers are
applicable, for example ARM-JTAG, ARM-JTAG-EW, ARM-USB-OCD, ARMUSB-TINY, ARM-USB-TINY-H or other compatible programming/debugging
tool.
PROCESSOR FEATURES
LPC-MT-2138 board use LPC2138 microcontroller based on a 16/32-bit
ARM7TDMI-S CPU with real-time emulation and embedded trace support, that
combine the microcontroller with 512 kB of embedded high-speed flash memory. A
128-bit wide memory interface and a unique accelerator architecture enable 32-bit
code execution at maximum clock rate. with these features:
–
32 kB of on-chip static RAM and 256/512 kB of on-chip flash program memory.
128-bit wide interface/accelerator enables high-speed 60 MHz operation.
–
In-System Programming/In-Application Programming (ISP/IAP) via on-chip
bootloader software. Single flash sector or full chip erase in 400 ms and
programming of 256 B in 1 ms.
–
EmbeddedICE RT and Embedded Trace interfaces offer real-time debugging
with the on-chip RealMonitor software and high-speed tracing of instruction
execution.
–
Two 8-channel 10-bit ADCs provide a total of up to 16 analog inputs, with
conversion times as low as 2.44 ms per channel.
–
Single 10-bit DAC provides variable analog output.
–
Two 32-bit timers/external event counters (with four capture and four compare
channels each), PWM unit (six outputs) and watchdog.
–
Low power Real-time clock with independent power and dedicated 32 kHz
clock input.
–
Multiple serial interfaces including two UARTs (16C550), two Fast I2C-bus (400
kbit/s), SPI and SSP with buffering and variable data length capabilities.
–
Vectored interrupt controller with configurable priorities and vector addresses.
–
Up to forty-seven 5 V tolerant general purpose I/O pins
–
Up to nine edge or level sensitive external interrupt pins available.
–
60 MHz maximum CPU clock available from programmable on-chip PLL with
settling time of 100 ms.
Page 4
–
On-chip integrated oscillator operates with external crystal in range of 1 MHz to
30 MHz and with external oscillator up to 50 MHz.
–
Power saving modes include Idle and Power-down.
–
Individual enable/disable of peripheral functions as well as peripheral clock
scaling down for additional power optimization.
–
Processor wake-up from Power-down mode via external interrupt or BOD.
–
Single power supply chip with POR and BOD circuits:
–
CPU operating voltage range of 3.0 V to 3.6 V (3.3 V ± 10 %) with 5 V
tolerant I/O pads.
Page 5
BLOCK DIAGRAM
Page 6
MEMORY MAP
Page 7
Page 8
100n
R13
22K
BUZ
R18
100K
FREQ
+5V
D14
1N4148
D13
1N4148
3.3V
RXD0
JRST
RST
IN
GND
3
2
1
100n
C8
REL
OUT
VR3
78L05
REL_CO N
D1
BAT54C
FREQ
1
2
2
1
R14
470
1K
R12
L1
47mH
C20
100n
12
9
TXD0
+
C2
T1
BC846
BUZZER
+12V
16
VCC
U2PWR
15GND
+
R1OUT
R2OUT
11
10
C11
T1IN
T2IN
10uF/16V
R1IN
R2IN
T1OUT
T2OUT
C17
100n
C16
100n
T3
BC846
REL
+5V
2
1
+12V
C12
10p
C14
10p
DBG
TRST
TDI
TMS
TCK
RTCK
TDO
RST
R4
10K
R19
22K
1K
R11RELAY
1N4148
D12
0
B5
B4
B4
B5
3.3V
B3
B3
R15
22K
LPC213X
VSSA
VDD3(A)
VREF
VSS1
VSS2
VSS3
VSS4
VSS5
VDD3-1(I/O)
VDD3-2(I/O)
VDD3-3(I/O)
VBAT
RTCX2
RTCX1
C3
10uF/6.3
330
R5
R55
opt
B2
B2
R3
22K
T2
BC846
0
R53
RS
R/W
E
DB4
DB5
DB6
DB7
B1
B1
R2
22K
RST
X2
X1
P0.25/AD0.4/AOUT
P0.26/AD0.5
P0.27/AD0.0/CAP0.1/MAT0.1
P0.28/AD0.1/CAP0.2/MAT0.2
P0.29/AD0.2/CAP0.3/MAT0.3
P0.30/AD0.3/EINT3/CAP0.0
P0.31
P0.16/EINT0/MAT0.2/CAP0.2
P0.17/CAP1.2/SCK1/MAT1.2
P0.18/CAP1.3/MISO1/MAT1.3
P0.19/MAT1.2/MOSI1/CAP1.2
P0.20/MAT1.3/SSEL1/EINT3
P0.21/PWM5/AD1.6/CAP1.3
P0.22/AD1.7/CAP0.0/MAT0.0
P0.23
P0.8/TXD1/PWM4/AD1.1
P0.9/RXD1/PWM6/EINT3
P0.10/RTS1/CAP1.0/AD1.2
P0.11/CTS1/CAP1.1/SCL1
P0.12/DSR1/MAT1.0/AD1.3
P0.13/DTR1/MAT1.1/AD1.4
P0.14/DCD1/EINT1/SDA1
P0.15/RI1/EINT2/AD1.5
P0.0/TXD0/PWM1
P0.1/RXD0/PWM3/EINT0
P0.2/SCL0/CAP0.0
P0.3/SDA0/MAT0.0/EINT1
P0.4/SCK0/CAP0.1/AD0.6
P0.5/MISO0/MAT0.1/AD0.7
P0.6/MOSI0/CAP0.2/AD1.0
P0.7/SSEL0/PWM2/EINT2
DB[4..7],E,R/W,RS
R52
2K
P1.24/TRACECLK
P1.25/EXTIN0
P1.26/RTCK
P1.27/TDO
P1.28/TDI
P1.29/TCK
P1.30/TMS
P1.31/TRST
R16
22K
59
7
63
6
18
25
42
50
23
43
51
49
5
1K
R51
P1.16/TRACEPKT0
P1.17/TRACEPKT1
P1.18/TRACEPKT2
P1.19/TRACEPKT3
P1.20/TRACESYNC
P1.21/PIPESTAT0
P1.22/PIPESTAT1
P1.23/PIPESTAT2
U1
R17
22K
100n
C23
3.3V
100n
100n
100n
R22
C7
10uF/6.3V
32
28
24
64
60
56
52
20
P1.24
P1.25
3
16
12
8
4
48
44
40
36
P1.16
RS
E
R/W
DB4
DB5
DB6
DB7
Q2
32768/6pF
RTCK
TDO
TDI
TCK
TMS
TRST
C4
C22
3 PWM5
2 LIGHT_LCD
1 AOUT
DAC/PWM
C10
2
1
BAT54C
D2
R30
10K
1
2
R23
10K
3.3V
3.3V
BAT
R29
10K
R25
10K
VREF
13
8
14
7
5
4
3
1
C13
1
2
3
4
5
C2-
C2+
C1-
C1+
R21
390/1%
R20
240/1%
3.3V
R26
10K
+
RS232_ICSP
6
7
8
9
V-
V+
OUT
ADJ/GND
IN
VR1(3.3V)
LM1117
DALLAS
1
3
5
7
9
11
13
15
17
19
+
6
2
U2
MAX3232
470uF/16VDC
C15
1N4733
Z1
D11
1N4148
33
R9
4.7K
R8
+5V
JTAG
47uF/6.3V
G ND
C19
100n
C18
100n
9VAC
PWR
1
2
DALLAS
D10
1N4148
P1.16
P1.24
P0.28
P0.26
P0.18
P0.13
P0.8
P0.6
P0.4
2
4
6
8
10
12
14
16
18
20
+
3
LED
R10
330
C5
39pF
C6
39pF
R7
2K
RST
RST
3.3V
NA
C1
R6
10K
R24
1K
http://www.olimex.com/dev
CO PYRIG HT(C) 2005, O LIMEX Ltd.
Rev. Initial
I2C
GND
VCC 2
U3
MCP130T
4
3
2
1
1 RESET
3.3V
1BSL
2
R1
22K
3.3V
BSL
3.3V
R27
2K
3.3V
LPC-MT-2138
14.7456MHz
3.3V
57
61
Q1
AOUT
P0.26
P0.27
P0.28
P0.29
B4
LED
9
10
11
13
14
15
17
62
B2
P0.17
P0.18
P0.19
B3
PWM5
BUZ
RELAY
B1
P0.8
B5
FREQ
DALLAS
P0.12
P0.13
TXD0
RXD0
SCL0
SDA0
P0.4
P0.5
P0.6
P0.7
46
47
53
54
55
1
2
58
33
34
35
37
38
39
41
45
19
21
22
26
27
29
30
31
_RS
R/W
E
DB4
DB5
DB6
DB7
LIGHT+
LIGHT-
VO
LED
4
5
6
11
12
13
14
15
16
1
+12V
19
17
15
13
11
9
7
5
3
1
CONTRAST
VSS
G2
DB104
AOUT
P1.25
P0.29
P0.27
P0.19
P0.17
P0.12
P0.7
P0.5
EXT
10K
VDD
20
18
16
14
12
10
8
6
4
2
3.3V
+5V
2
3.3V
R54
opt
SCHEMATIC
3
BOARD LAYOUT
POWER CIRCUIT
LPC-MT-2138 can is typically power supplied with +9VAC or 12VDC from power
jack.
RESET CIRCUIT
LPC-MT-2138 reset circuit includes R6 (10k) pull-up, U3 (MCP130T), LPC2138 pin
57 (RST) and RST button.
CLOCK CIRCUIT
Quartz crystal Q1 14.7456 MHz is connected to LPC2138 pin 61 (X2) and pin 62 (X1).
Quartz crystal Q2 32.768 KHz is connected to LPC2138 pin 3 (RTCX1) and pin 5
(RTCX2).
Page 9
JUMPER DESCRIPTION
VREF
Connects LPC2138 pin 63 (VREF) to 3.3V.
Default state is closed.
DAC/PWM
When this jumper is in position DAC - connects LIGHT_LCD signal to LPC2138 pin 9
(AOUT); when this jumper is in position PWM – connects LIGHT_LCD signal to LPC2138 pin
1 (PWM5).
Default state is PWM – closed.
JRST
Enables LPC2138 reset via UART.
Default state is open.
BSL
This jumper is connected to LPC2138 pin 41 (P0.14). When this jumper is open, P0.14
is pulled-up to 3.3V via R1 (22k) , when is closed P0.14 is pulled-down via R24 (1k).
LOW level on pin P0.14 immediately after reset is considered as an external hardware
request to start the ISP command handler. If there is no request for the ISP command
handler execution (P0.14 is sampled HIGH after reset), a search is made for a valid
user program. If a valid user program is found then the execution control is
transferred to it. If a valid user program is not found, the auto-baud routine is
invoked.
Default state is open.
DBG
Enables JTAG debug operations.
Default state is closed.
INPUT/OUTPUT
Reset button with name RST, connected to LPC2138 pin 57 (RST).
User button with name B1, connected to LPC2138 pin 45 (P0.15).
User button with name B2, connected to LPC2138 pin 46 (P0.16).
User button with name B3, connected to LPC2138 pin 55 (P0.20).
User button with name B4, connected to LPC2138 pin 15 (P0.30).
User button with name B5, connected to LPC2138 pin 34 (P0.9).
LCD 16x2 display with BACKLIGHT, connected as follows: RS – to LPC2138 pin 12
(P1.17); R/W – to LPC2138 pin 4 (P1.19); E – to LPC2138 pin 8 (P1.18), DB4 – to
LPC2138 pin 48 (P1.20), DB5 – to LPC2138 pin 44 (P1.21), DB6 – to LPC2138 pin 40
(P1.22), DB7 to LPC2138 pin 36 (P1.23).
Potentiometer with name Contrast for setting LCD contrast voltage.
Status Led with name LED connected to LPC2138 pin 17 (P0.31).
Buzzer connected to LPC2138 pin 2 (P0.22).
Page 10
Relay with name REL connected to LPC2138 pin 58 (P0.23).
EXTERNAL CONNECTORS DESCRIPTION
JTAG
Pin #
Signal Name
Pin #
Signal Name
1
+3.3 V
2
+3.3 V
3
TRST
4
GND
5
TDI
6
GND
7
TMS
8
GND
9
TCK
10
GND
11
RTCK
12
GND
13
TDO
14
GND
15
RST
16
GND
17
Not Connected
18
GND
19
Not Connected
20
GND
I2C
Pin #
Signal Name
1
GND
2
SCL0
3
SDA0
4
3.3V
Page 11
EXT
Pin #
Signal Name
Pin #
Signal Name
1
P0.4
2
P0.5
3
P0.6
4
P0.7
5
P0.8
6
P0.12
7
P0.13
8
P0.17
9
P0.18
10
P0.19
11
P0.26
12
P0.27
13
P0.28
14
P0.29
15
P1.24
16
P1.25
17
P1.16
18
AOUT
19
3.3V
20
GND
FREQ
Pin #
Signal Name
1
FREQ(P0.10)
2
GND
Pin #
Signal Name
1
DALLAS(P0.11)
2
GND
DALLAS
BAT
Page 12
Pin #
Signal Name
1
VBAT
2
GND
RS232/ICSP
Pin #
Signal Name
1
NC
2
T1OUT
3
R1IN
4
R2IN
5
GND
6
NC
7
NC
8
NC
9
NC
PWR:
Pin #
Signal Name
1
Power Input
2
GND
REL_CON:
This connector provides the user with access to the contact plates of the relay.
Page 13
MECHANICAL DIMENSIONS
–
All measures are in Inches.
Page 14
AVAILABLE DEMO SOFTWARE
code (EW-ARM)
•
LCD drive
•
RTC code (EW-ARM)
RS232 code (EW-ARM)
Button, Relay, LED, buzzer demo code (EW-ARM)
LCD, RTC, UART, BUTTONs, BUZZER demo code (GNU) by Markus
Dornhofer
OpenOCD + Eclipse set of projects 1.00 include flash write make file for LPCMT-2138.
•
•
•
•
Page 15
ORDER CODE
LPC-MT-2138 - completely assembled and tested.
How to order?
You can order to us directly or by any of our distributors.
Check our web www.olimex.com/dev for more info.
Revision history:
Rev. Initial
- create September 2005
Page 16
Disclaimer:
© 2010 Olimex Ltd. All rights reserved. Olimex®, logo and combinations thereof, are registered trademarks of
Olimex Ltd. Other terms and product names may be trademarks of others.
The information in this document is provided in connection with Olimex products. No license, express or implied
or otherwise, to any intellectual property right is granted by this document or in connection with the sale of
Olimex products.
Neither the whole nor any part of the information contained in or the product described in this document may be
adapted or reproduced in any material from except with the prior written permission of the copyright holder.
The product described in this document is subject to continuous development and improvements. All particulars
of the product and its use contained in this document are given by OLIMEX in good faith. However all warranties
implied or expressed including but not limited to implied warranties of merchantability or fitness for purpose are
excluded.
This document is intended only to assist the reader in the use of the product. OLIMEX Ltd. shall not be liable for
any loss or damage arising from the use of any information in this document or any error or omission in such
information or any incorrect use of the product.
Page 17