DESCRIPTION FEATURES BLOCK DIAGRAM

PT6595
LCD Segment Driver
DESCRIPTION
PT6595 is an LCD segment driver 140 segment
(SEG35 x COM4).
FEATURES
 3wire serial interface
 Integrated RAM for display data (DDRAM): 35 x 4
bits (Max. 140 Segment )
 LCD driving port: 4 Common output,
Segment: 35 output (PT6595, LQFP), 31 output
(PT6595, BGA)
 Integrated Buffer AMP for LCD driving power
supply
 Display Duty 1/4
 1/2bias, 1/3bias selectable
 No external components
 Low power/ Ultra low power consumption design
 Operating power supply: 2.7 ~ 3.6V
 Package: 48-pin, LQFP
48-pin, BGA
BLOCK DIAGRAM
LQFP
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan
PT6595
BGA
V1.1
2
August 2013
PT6595
ORDER INFORMATION
Valid Part Number
PT6595-LQ
PT6595
Package Type
48 Pins, LQFP
48 Pins, BGA
Top Code
PT6595-LQ
PT6595
PIN CONFIGURATION
LQFP
BGA
V1.1
3
August 2013
PT6595
PIN DESCRIPTION
Pin Name
I/O
Description
Pin No.
SEG0 ~ SEG34
O
Segment output for LCD driver
1 ~ 35
COM0 ~ 3
O
Common output for LCD driver
36 ~ 39
NC
-
No connection
40
VDD
-
Power supply
41
VSS
-
42
OSCIN
I
CSB
I
Ground pin
External clock input
External clock and Internal clock can be selected by command .
Must be connect to VSS when use internal oscillation circuit.
Chip select: “L” active
SCL
I
Serial data transfer clock
45
SD
I
46
TEST
I
INHb
I
Serial data input
Test input (Testing Use)
Must be connect to VSS
Input terminal for turn off display
H: turn on display L: turn off display
43
44
47
48
BGA
Pin Name
SEG2 ~ SEG32
I/O
O
Segment output for LCD driver
COM0 ~ COM3
O
Common output for LCD driver
NC
-
No Connection
VDD
-
Power supply
VSS
-
OSCIN
I
CSB
I
Ground pin
External clock input
External clock and Internal clock can be selected by command.
Must be connect to VSS when use internal oscillation circuit.
Chip select: “L” active
SCL
I
Serial data transfer clock
SD
I
TEST
I
INHb
I
Serial data input
Test input (Testing Use)
Must be connect to VSS
Input terminal for turn off display
H: turn on display L: turn off display
V1.1
Description
4
August 2013
PT6595
IMPORTANT NOTICE
Princeton Technology Corporation (PTC) reserves the right to make corrections, modifications, enhancements,
improvements, and other changes to its products and to discontinue any product without notice at any time.
PTC cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a PTC product. No
circuit patent licenses are implied.
Princeton Technology Corp.
2F, 233-1, Baociao Road,
Sindian Dist., New Taipei City 23145, Taiwan
Tel: 886-2-66296288
Fax: 886-2-29174598
http://www.princeton.com.tw
V1.1
22
August 2013