Block Diagram - Applied Data Systems Bitsy Plus User Manual

1.3

Block Diagram

The following diagram illustrates the system organization of the Bitsy Plus.
DC IN
Battery IN
Bitsy Plus
ADS document # 110114-1001A
LCD Interface
Contrast
Regulator
Power Supply
Regulator
SuperCap
SDRAM
FLASH
Power
Management
Controller
Address,
Data,
Control
External
3V Battery Cell
RTC
AVR
ADSmartIO
SA1110
SA1111
Controller
Pre- Amp
AC'97
CODEC
Power Amp
Progr. IO
Controller
Introduction
2
I C
4 AN+5 DIG Ins, or
4x5 Scan Matrix, or
9 GPIOs
PS/2 Keyboard
Temp. Sensor
Backlight Ctrl
COM1
COM2 / IrDA
COM3
USB Function
USB Host
SPI
PCMCIA
Compact Flash
Touch Screen
Stereo Mic
Stereo Speaker
Headphones
10 IOs
Page 3