PT6961 Datasheet, PDF (4/18 Pages) Princeton Technology Corp – LED Driver IC

PT6961
PIN DESCRIPTION
Pin Name
OSC
DOUT
DIN
CLK
STB
K1 ~ K3
VDD
SG1/KS1 ~ SG10/KS10
NC
SG11
SG12/GR7
I/O
Description
I
Oscillator Input Pin
A resistor is connected to this pin to determine the oscillation frequency
O
Data Output Pin (N-Channel, Open-Drain)
This pin outputs serial data at the falling edge of the shift clock.
Data Input Pin
I This pin inputs serial data at the rising edge of the shift clock (starting
from the lower bit)
I
Clock Input Pin This pin reads serial data at the rising edge and
outputs data at the falling edge.
Serial Interface Strobe Pin
I The data input after the STB has fallen is processed as a command.
When this pin is “HIGH", CLK is ignored.
Key Data Input Pins
I The data sent to these pins are latched at the end of the display
cycle. (Internal Pull-Low Resistor)
- Power Supply
O
Segment Output Pins (p-channel, open drain)
Also acts as the Key Source
- No Connection
O Segment Output pins (P-Channel, open drain)
O Segment / Grid Output Pins
GR6 ~ GR1
O Grid Output Pins
GND
- Ground Pin
Pin No.
1
2
3
4
5
6, 7, 8
9, 25
10 ~ 12
14 ~ 20
13
21
22
23, 24, 27,
28, 30, 31
26, 29, 32
V1.6
4
May 2010