CC186 OR CC186/2 STAND-ALONE AND SYSTEM CLOCK
REV 05/16/01
APPLIED TECHNICAL SYSTEMS
PAGE 4
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The first byte, byte 0, is the preamble. It establishes communications with the CC186. The
second byte, byte 1, is the address byte, address 0 or 15. Byte 2 is the mode byte. Up to
256 modes are possible providing complete control of all the 7 segment characters and
functions of the CC186. Bytes 3 through 8 are associated with the six, 7-segment displays of
the CC186. Byte 9 is the miscellaneous digit, which provides attributes such as colons, flash,
etc.
BYTE 0:
START CHARACTER - An 11H is required to establish communications.
BYTE 1:
ADDRESS BYTE - Address 0 or 15 is required to communicate to the
CC186.
BYTE
2:
MODE
BYTE
-
Range is from 0 to 255. This byte provides
complete control of all AE Series devices with the RS232 option
installed. The modes are:
MODE O - ASCII character mode. The AE device will display the AE
ASCII characters sent in bytes 3 through 8. See the AE ASCII character
set at the back of this manual.
MODE 3 - 12 Hour Time/timer mode. Bytes 3 through 8 are set as the
time, and time keeping begins.
MODE 4 - 24 Hour Time/timer mode. Bytes 3 through 8 are set as the
time, and time keeping begins.
MODE 6 - Displays the software version installed in the AE device.
MODES 1 and 7 are reserved (AE Series Only)
MODES 8 - 255 are for future use.
BYTES 3 - 8: SIX CHARACTER BYTES - AE devices can have up to 6 digits. The six
characters received are for displaying on these six digits. These
characters will depend on the mode byte, byte 2, that precedes them.
They provide the words
for messages, the digits for setting time and
variable, and even 7-segment graphic characters.
BYTE 9:
MISCELLANEOUS DIGIT BYTE - This byte provides colons, AM/PM
indicators, and other attributes such as display flashing.
BIT 1 - Turns on the colons. Colons are automatically turned on in the
time/timer mode, i.e. byte 2 = 3.
BIT 7 - Flash display.
