GENERAL DESCRIPTION
Serial data is input to TP6311 through a This VFD controller/driver three-line serial interface. microcomputer. FEATURES
Multiple display modes (12-segment & 16-digit to 20-segment & 8-digit) Key scanning (12×4 matrices) Dimming circuit (eight steps) High-voltage output (VDD – 35V max) LED ports (5 chs, 20 mA max) General-purpose input port (4 bits) No external resistor necessary for driver outputs (P-ch open-drain + pull-down resistor output) Serial interface (CLK, STB, DIN, DOUT) is ideal as a peripheral device of a single-chip Ordering Information TP 6311 Footprint Version Package Type Package Type Q: QFP Footprint L: 3.2 mm Block Diagram Command decoder DIN Dimming circuit 16-bit output latch DOUT Serial I/F CLK STB VDD Display memory 20 bit x 16 word 20 12 Segment driver Seg1 Seg12 8 Segment/grid driver Seg13/Gird16 R OSC Timing generator key scan Data selector 8 Seg12/Gird9 16-bit output latch Key1 to Key4 16 4 8 Grid driver Key data memory (4 x 12) 8 Grid1 Gr...
