PT6314-001L PTC [Princeton Technology Corp], PT6314-001L Datasheet - Page 31

• Manufacturer Part Number: PT6314-001L
• Description: Dot Character VFD Controller/Driver IC
• Manufacturer: PTC [Princeton Technology Corp]

Dot Character VFD Controller/Driver IC
POWER ON RESET
When PT6314 is initialized, the internal status after power supply has been reset is as follows:
1. Display Clear: 20H (space code) fills the DDRAM
2. Address Counter is set to 00H
3. Address Counter is pointed to the DDRAM
4. Display ON/OFF: D=0, C=0, B=0 (Display OFF)
5. Entry Mode Set: I/D=1, S=0 (Increment, Cursor Shifts are enabled)
6. Function Set: DL=1, N=1 (8-Bit MCU Interface, 2-Line Display are enabled.)
7. Brightness Control: BR0=BR1=0 (Brightness = 100%)
For the MCU Interface and Duty Ratio Selection, please refer to the table below.
The above table shows the relationship between the status of PT6314 and the pin states during
RESET.
PT6314 V1.3
TEST IFSEL DS1
0
1
1
1
1
1
1
Pin Name
X
X
X
X
X
0
1
X
X
X
0
0
1
1
DS0
X
X
X
0
1
0
1
(16Cx1 or 2L Display)
(20Cx1 or 2L Display)
(24Cx1 or 2L Display)
(40Cx1 or 2L Display)
Parallel Interface
Self Test Mode
Serial Interface
Duty=1/16
Duty=1/20
Duty=1/24
Duty=1/40
Function
- 31 -
It does not need to use the extension driver.
Extension driver must be used. The number
This is effective specially after long usage.
The number of display lines is selected by
of display lines is selected by instruction.
RS, E, R/W, DB7 to DB4 or DB7 to DB0
SI/SO, SCK, STB
instruction.
Remarks
URL: http://www.princeton.com.tw
Fax: [phone]
Tel: [phone]
March, 2006
PT6314