tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT6961 v1.1 - 1 - april, 2004 led driver ic PT6961 description PT6961 is an led controller driven on a 1/7 to 1/8 dut y factor. eleven segment output lines, six grid output lines, 1 segment/grid output lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highl y reliable peripheral device for a single chip microcomputer. serial data is fed to PT6961 via a f our-line serial interface. housed in a 32-pin so package, PT6961 pin assignments and application circui t are optimized for easy pcb layout and cost saving advantages. features ? cmos technology ? low power consumption ? multiple display modes (12 segment, 6 grid to 11 segment, 7 grid) ? key scanning (10 x 3 matrix) ? 8-step dimming circuitry ? serial interface for clock, data input, data output, strobe pins ? available in 32-pin, so package applications ? micro-computer peripheral device ? vcr set ? combo set
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT6961 v1.1 - 2 - april, 2004 led driver ic PT6961 pin description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 osc dout din clk stb k1 k2 k3 vdd sg1/ks1 sg2/ks2 sg3/ks3 nc sg4/ks4 sg5/ks5 sg6/ks6 32 31 30 29 28 27 26 25 24 23 22 21 10 19 18 17 gnd gr1 gr2 gnd gr3 gr4 gnd vdd gr5 gr6 sg12/gr7 sg11 sg10/ks10 sg9/ks9 sg8/ks8 sg7/ks7 PT6961
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT6961 v1.1 - 3 - april, 2004 led driver ic PT6961 application circuit note: 1. the capacitor (0.1f) connect ed between the gnd and the vdd pins must be located as close as possible to the PT6961 chip. 2. it is strongly suggested that the nc pin (pins 13) be connected to the gnd. 3. the PT6961 power supply is separate fr om the application system power supply.
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT6961 v1.1 - 4 - april, 2004 led driver ic PT6961 common cathode type led panel order information valid part number package type top code PT6961 32pins, so package, 300mil PT6961 PT6961 (l) 32pins, so package, 300mil PT6961 notes: 1. (l) = lead free 2. the lead free mark is put in front of the date code.
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