Segmented Display Controller/Driver
'1'Rockwell "
10955
10955 Segmented Display Controller/Driver
DESCRIPTION
The 10955 Segmented DisplaylDriver is a MOS/...
Description
'1'Rockwell "
10955
10955 Segmented Display Controller/Driver
DESCRIPTION
The 10955 Segmented DisplaylDriver is a MOS/LSI device capable of directly driving both the grids and anodes of multiplexed vacuum-fluorescent segmented displays. All timing circuits (including a clock generator) required to control the display drivers are contained within the device. The 10955 can drive segmented displays with 8 or 16 grids (characters) and 8, 16, or 24 anodes (segments). A serial interface allows for a host microprocessor to transmit commands and display data to the 10955 directly.
A 128 x 16 bit PLA provides coding for both 16-segment and 14-segment alphanumeric ASCII code character sets (all caps only). The PLA is divided into lower 64 and upper 64 code sets. Only one set can be selected at a time. In lower set mode the 16-segment display characters are selected. In upper set mode the 14-segment display characters are selected. The PLA can also be bypassed so that data words from the host m...
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