PT6301(2012) View Datasheet(PDF) - Princeton Technology

Part Name

Description

View to exact match

PT6301
(Rev.:2012)

5 x 7 Dot Character x 20-Digit x 2-Line Display Controller/Driver with Character RAM

Princeton Technology 

PT6301

NUMBER OF DIGIT SET

(Writes the number of display digit to the display digit register)

This command can set the number of display digit between 5 to 20 digits using 4-bit data. When power is tuned on or

when a RESET signal is input, the number of digit register value is “0”. Always execute this instruction to change the

number of digit before turning the display on.

COMMAND FORMAT

MSB

LSB

1st Byte

(1st)

B7

B6

B5

B4

B3

B2

B1

B0

Select the number of digit set mode and specifies the

number of digit value

0 1 1 0 K3 K2 K1 K0

K0 (LSB) to K3 (MSB): the Number of digit data (4 bits: 5 to 20 digits)

*: Don’t care.

RELATION BETWEEN SETUP DATA AND CONTROLLED COM

HEX

K0

K1 K2

K3

The number of digit

of COM

HEX

K0 K1

K2 K3

0

0 000

COM1 to 20

8

0001

1

1 000

COM1 to 5

9

1001

2

0 100

COM1 to 6

A 0101

3

1 100

COM1 to 7

B 1101

4

0 010

COM1 to 8

C 0011

5

1 010

COM1 to 9

D 1011

6

0 110

COM1 to 10

E 0111

7

1 110

COM1 to 11

F 1111

*The state when power is turned on or when RESET signal is input.

The number of digit

of COM

COM1 to 12

COM1 to 13

COM1 to 14

COM1 to 15

COM1 to 16

COM1 to 17

COM1 to 18

COM1 to 19

ALL DISPLAY LIGHTS ON/OFF SET

(Turns all display lights ON or OFF)

All display lights ON mode is used primarily for display resting.

(The display duty during ON mode is the value of the duty cycle register.)

All display lights OFF mode is primarily used for display blink and to prevent malfunction when power is turned on.

(All the segment output are “Low”, but COM outputs are still driving.)

COMMAND FORMAT

MSB

LSB

1st Byte

(1st)

B7 B6 B5 B4 B3 B2 B1 B0 Selects all display lights ON or OFF mode

011

1

*

* HL

H, L: Display operation data

*: Don’t care.

SET DATA AND DISPLAY STATE OF SEG AND AD

LH

Display state of SEG and AD

0 0 Normal display

1 0 Sets all outputs to Low

(The state when power is turned on or when RESET is input)

0 1 Sets all outputs to High

1 1 Sets all outputs to High

V1.2

14

March 2012

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