Applied Data Systems Bitsy User manual

Bitsy
User’s Manual
ADS document # 110111-1003A
Applied Data Systems
www.applieddata.net
9140 Guilford Road
Columbia MD 21046
301-490-4007
© 2001 ADS

Bitsy User’s Manual
ADS document # 110111-1003A Page i
Revision History
ADS document # 110111-1003A.
REV DESCRIPTION DATE BY
1 Initial release 06/20/01 HW
A
Correct Header Information
1.2:
Clearify Features
1.3:
Update Block Diagram
J7:Add Illustration for pin locations
J1:Add note
Correct Pin 28 description
J3:Modify Descriptions for Pin 1, 2, 16 and 18
J6:Modify Pin 1 description to 5-12V
Added 4.1.3 Using Compact Flash Interface
Added 4.1.4 Using USB Interface
4.3.1:
Modified Maximum voltage 10 12V
4.3.2:
Modified to maximum 12V
4.3.7:
Added notes
4.4:
Removed VDDI (1.75V) and +30V for J3
and Panel VEE for J1 from table
4.5:
Corrected mA reference for fully populated
board
Removed footnote 1
4.7:
Added Protection
4.8:
Added information to 4.8.1 Analog Inputs
Added SA1111 information
5.1.2:
Corrected Rev B description to 12V
07/03/01 PD
About the Cover Photo
The cover photo shows a fully populated Rev B Bitsy with 16MB of onboard flash.

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Bitsy User’s Manual
ADS document # 110111-1003A Page iii
Table of Contents
Revision History....................................................................................................................................................i
About the Cover Photo..........................................................................................................................................i
Table of Contents ................................................................................................................................................iii
1Introduction...................................................................................................................................... 1
1.1 Overview ................................................................................................................................ 1
1.2 Features................................................................................................................................... 1
1.2.1 Processor ...................................................................................................................... 1
1.2.2 Power Supply................................................................................................................ 1
1.2.3 Memory........................................................................................................................ 1
1.2.4 Communications........................................................................................................... 1
1.2.5 User Interface and Display ........................................................................................... 1
1.2.6 I/O................................................................................................................................. 2
1.2.7 Audio Interface............................................................................................................. 2
1.3 Block Diagram........................................................................................................................ 3
2Getting Started.................................................................................................................................. 5
2.1 Evaluation Systems................................................................................................................. 5
2.2 Frequently Asked Questions................................................................................................... 5
2.3 Organization of this Manual ................................................................................................... 6
2.4 For Further Information.......................................................................................................... 6
3Hardware Reference......................................................................................................................... 7
3.1 Locating "Pin 1" ..................................................................................................................... 7
3.2 Switches.................................................................................................................................. 7
3.2.1 S1: DIP Switch ............................................................................................................ 7
3.3 ADSmartIOTM......................................................................................................................... 7
3.4 Onboard LEDs........................................................................................................................ 7
3.5 Jumper Settings....................................................................................................................... 7
3.5.1 JP1, JP2: VEE Contrast Voltage Control..................................................................... 7
3.5.2 JP3: Flat Panel Voltage Select..................................................................................... 8
3.5.3 JP4: Flat Panel Data Voltage Select ............................................................................ 8
3.5.4 J7: Flat Panel VEE Select............................................................................................ 8
3.6 Connector Pinouts................................................................................................................... 8
3.6.1 J1: LCD Panel Interface Connector............................................................................. 9

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3.6.2 J2: PCMCIA.............................................................................................................. 10
3.6.3 J3: High Density IO connector.................................................................................. 10
3.6.4 J4: Manufacturing Test Connector: ........................................................................... 11
3.6.5 J5: Manufacturing JTAG Test Connector:................................................................. 11
3.6.6 J6: Line Input Power Connector:............................................................................... 11
3.6.7 J8: Touch Screen Connector:..................................................................................... 11
3.6.8 J9: High Density External Compact Flash Signal Connector:................................... 12
3.6.9 J10: High Density IO connector:............................................................................... 13
3.6.10 Functions of SA1110 GPIOs:................................................................................... 14
4System Integration.......................................................................................................................... 15
4.1 Tips for System Integration .................................................................................................. 15
4.1.1 Strategies for Backup Power ...................................................................................... 15
4.1.2 Electrical Tips............................................................................................................. 15
4.1.3 Utilizing the Compact Flash Interface........................................................................ 15
4.1.4 Using the USB Interface............................................................................................. 15
4.1.5 Bitsy Power Supply.................................................................................................... 15
4.2 Mechanical Specifications.................................................................................................... 16
4.2.1 Mechanical Drawing................................................................................................... 16
4.2.2 Mounting Holes.......................................................................................................... 16
4.2.3 Clearances .................................................................................................................. 17
4.3 Input Power Requirements.................................................................................................... 17
4.3.1 DC power input .......................................................................................................... 17
4.3.2 Main battery input ...................................................................................................... 17
4.3.3 3V Backup battery input............................................................................................. 17
4.3.4 Switching Supply Outputs.......................................................................................... 17
4.3.5 Backlight Power ......................................................................................................... 17
4.3.6 EMI/RFI and Transient Suppression.......................................................................... 18
4.4 Externally Available Voltages.............................................................................................. 18
4.5 Power Consumption.............................................................................................................. 18
4.6 Power Management.............................................................................................................. 18
4.7 EMI/RFI and ESD Protection............................................................................................... 19
4.8 Electrical Specifications for I/O Ports .................................................................................. 19
4.8.1 ADSmartIOTM Controller ........................................................................................... 19
4.8.2 UCB 1200................................................................................................................... 19
4.8.3 LCD Panel.................................................................................................................. 20
4.8.4 SA1111....................................................................................................................... 20
4.8.5 SA-1110...................................................................................................................... 20
5Board Revision History..................................................................................................................21
5.1.1 Identifying the board revision..................................................................................... 21
5.1.2 Revision History......................................................................................................... 21

Bitsy User’s Manual
ADS document # 110111-1003A Page 1
1 Introduction
1.1 Overview
The Bitsy is a full-featured single board computer using the SA-1110 StrongARM RISC
microprocessor. The Bitsy is designed to meet the needs of embedded and graphical systems
developers.
1.2 Features
1.2.1 Processor
• SA-1110 32-bit StrongARM
• SA-1111 Companion Chip
• Clock rates up to 206 MHz
1.2.2 Power Supply
• 5-12V Input Range
• DC/Battery Switching
• Battery Charger
1.2.3 Memory • 16, 32 or 64 MB synchronous DRAM (Runs 1/2 of CPU clock rate)
• 8, 16 or 32 MB Flash
• 3.3 and 5V PCMCIA
1.2.4 Communications
• Ethernet, RJ45 (with optional connector board)
• CompactFlash interface (with optional connector board)
• USB Master and Slave connections, Support for 12Mb/s
• Three Serial Ports
Serial 1: RS-232, TTL
Serial 2: TTL, RS-232 (IrDA with optional connector board)
Serial 3: RS-232, TTL
1.2.5 User Interface and Display
• Flat panel interface
• Onboard VEE generator with software contrast control
• Analog touch panel interface

Bitsy User’s Manual
Page 2 ADS document # 110111-1003A
1.2.6 I/O • ADSmartIOTM configurable for digital I/O, PWM and A/D inputs
• Up to eight analog inputs
• Up to 25 Digital I/O
• Backlight control signals for intensity and on/off
• Passive LCD contrast control
• External temperature probe support
1.2.7 Audio Interface
• Input mono microphone to UCB1200 codec
• Output mono speaker from UCB1200 codec
• Input stereo microphone to UDA1341 stereo codec
• Output stereo speaker from UDA1341 stereo codec

Bitsy User’s Manual
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1.3 Block Diagram
The following diagram illustrates the system organization of the Bitsy.
Compact
FLASH
Interface
Software
Switches
(2)
PS2 Keyboard
5V/3V Panel
Audio
Codec
UDA1341
Switch
FLASH
8/16/32
Mbytes
COMPACT
FLASH/EXPANSION
CONNECTOR
Keypad
Scanner
Back Light
PCMCIA
SDRAM
16/32/64
Mbytes
BITSY
Line Inputs L/R
Battery Power Input DC Power Input
SERIAL
BATTERY
CHARGER
Speaker 1
COM2
3V CMOS/IRDA
SA1110
USB Slave/
USB Master
Microphone 2
CODEC
UCB1200
5V
COM3
4 WIRE RS232
10 Digital IOs
High Density I/O Connectors
ADS Smart
Configurable
IOs
Speaker 2
3"
VEE
Generator
RS232
Drivers
Power
Supply
Power
Management
SSP
Microphone 1
4 Analog
Inputs
30V
COM1
8 WIRE
RS232
12V BL
+3.3V
4 Wire Analog
Touch Screen
Regulator
SA1111
PWM1
Smart
Configurable
IOs
5-12VDC
+1.75V
5"
Backup Battery
PWM2
+3.3VCONT
Panel Driver

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