Motorola Internal Use
14
A008 / A6188+ – Circuit Description
Logic: Keypad Operation
1)
The keypad works as a matrix supported by V2. The signals inform the Whitecap
upon a key press by dropping the signal ‘low’. There are only 6 ‘hard’ keys, these are:
PAGE UP –
KBR0
PAGE DOWN –
KBR1
HOME –
KBC0
POWER –
PWR_SW
VA –
KBC3
JOG DIAL –
KBR2 / KBR3
for clockwise operation
KBC1 / GND
for counter clockwise operation
KBR3 / KBR2
for push.
The jog dial can be used for most scrolling operations within the touch screen menu
HS_INT
is used to detect the Flip being opened
PDA
Next to being a telephone the A6188 is a touch screen personal organiser. It incorporates
many functions these being:
•
Address book
•
Messaging Center
•
Recent call Log
•
Diary
•
WAP Browser
•
Memo pad
•
Voice recorder
•
Chinese / English Dictionary
•
Calculator
•
Currency Converter
•
Measurement converter
•
Instant Messaging
•
Games are available
•
KJAVA
•
Full Email functions
•
Truesync PC A6188 Data
•
Transfer Application
Dragon Ball IC U2000
1)
Dragon Ball is the processor that operates the running system of the display. The
MC68EZ328 features a more flexible LCD controller with streamlined list of
peripherals placed in a smaller package. This processor mainly targeted for portable
consumer products, which require less peripheral and a more flexible LCD controller.
By providing 3V, fully static operation in an efficient 100 TQFP package.
2)
Static 68EC000 Core Processor
•
32-Bit internal address bus
•
24-Bit external address bus capable of addressing maximum 4 x 16MB blocks with
chip selects 16-Bit on-chip data bus for MC68000 bus operations
•
Static design allows processor clock to be stopped to provide power savings
•
External M68000 Bus interface with selectable bus sizing for 8-bit and 16-bit data
ports
