Pt6311 Internal Ic Diagram; Pt6311 Pin Description - Philips FW-D596/21M Service Manual

PT6311 INTERNAL IC DIAGRAM

Control
D
IN
Serial
Genaral
D
OUT
Data
Input
CLK
interface
Register
STB
V
DD
R
Timming
OSC
OSC
Generator
SW 1
Genaral
SW 2
Key Matrix
Input
Memory
SW 3
Register
SW 4
LED 1
LED 2
LED
LED 3
Driver
LED 4
LED 5
K1 K2 K3 K4
5-2
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
Segment SG5/KS5
Driver/ SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
Grid
SG10/KS10
Driver/
SG11/KS11
SG12/KS12
SG13/GR16
SG14/GR15
Key Scan
SG15/GR14
Output
SG16/GR13
SG17/GR12
SG18/GR11
SG19/GR10
SG20/GR9
GR1
GR2
GR3
Grid
GR4
Driver
GR5
Dimming
GR6
Circuit
GR7
GR8
VDD GND VEE

PT6311 PIN DESCRIPTION

P in Na me I /O
S W 1 t o S W 4 I
Da ta O utp ut P in ( N- Cha nne l , O pen - Dr ai n)
DOUT O Thi s pi n outp ut s serial da ta at the f al l i ng edge
of the shi ft cloc k ( sta rti ng f rom the l ower bi t) .
D IN I Thi s pi n i npu ts serial da ta at the rising edge of
the shi ft cloc k ( sta rti ng f rom the l ower bi t)
N C -
CLK I Thi s pi n read s serial da ta at the rising edge an d
The da ta i npu t af te r the S TB ha s f al l en i s
STB I
Wh en th i s pi n i s " HI GH ", C LK i s i gno red.
K 1 t o K 4 I Th e da ta i npu tte d to thes e pi ns ar e l atc hed at
VDD -
S G1 / K S1 to S G1 2 / K S1 2 O
S G2 0 / G R9 to S G1 9 / G R1 0
O
S G1 8 / G R1 1 to S G1 3 / G R1 6
VEE -
G R1 to G R8 O
LE D1 to LE D5 O
GND -
OS C I A resistor i s conne cted to th i s pin to dete rmi ne
5-2
Description
G ene ral P urpos e In pu t P ins
D ata In pu t P in
No Co nne ct io n
Cl oc k Inpu t Pin
outputs data at the f al l i ng edge .
S erial I nte rfac e S trobe P in
pr oc e s s e d as a c o mmand .
Ke y Da ta In pu t P ins
the end of the di spl ay cycle.
L ogi c P owe r S uppl y
H igh - Vol ta ge Se gment Ou tp ut P ins
Al so acts as the Ke y So ur ce
Hi gh Vo l tag e Se gment/ G ri d Ou tp ut P ins
P ul l -D own L ev el
H igh - Vol ta ge G ri d O utp ut Pins
LE D O utp ut P in
G round Pin
O sc illator In pu t Pin
the osci l l ation f requency
P in N o.
1 to 4
5
6
7
8
9
10 to
1 3
1 4 , 3 3 ,
4 5
15 to
2 6
36 to
3 5
32 to
2 7
34
44 to
3 7
50 to
4 6
51
5 2