EPVP6200 Datasheet, PDF (12/57 Pages) ELAN Microelectronics Corp – VFD Controller

ePVP6200
VFD Controller
6 Pin Descriptions
Pin No.
Pin Name
I/O #
Description
Note
7,8
VDD
- 2 Logic power supply
1. Serial Interface Strobe input pin. While the STB goes low, it
will cause interrupt event. The data input after the STB has
fallen is processed as a command. When this pin is “HIGH,” Schmitt
51
STB/GPIOC4
I/O 1 _{CLK is ignored.}
Pull-up
2. Programmable Internal pull high
3. GPIOC4 function
1. Clock input pin. This pin reads serial data at the rising edge
and outputs data at the falling edge.
52
CLK/GPIOC5
I/O 1 _{2. Programmable Internal pull high}
Schmitt
Pull-up
3. GPIOC5 function
1. Data output pin (N-channel, Open-Drain)
2. This pin outputs serial data at the falling edge of the shift clock _Schmitt
1
DOUT/GPIOC6 I/O 1
(starting from lower bit).
3. Programmable internal pull high
Pull-up
4. GPIOC6 function
1. Data input pin. This pin inputs serial data at the rising edge of
the shift clock (starting from lower bit.)
2
DIN/GPIOC7
I/O 1 _{2. Programmable Internal pull high}
Schmitt
Pull-up
3. GPIOC7 function
47~50
9~16
GPIOC0 – GPIOC3
GR1– GR8
General Purpose I/O pins:
1. Key data input to these pins is latched at the end of display
cycle.
Schmitt
I/O 4 _{2. These pins constitute 4-bit general-purpose input/output port. Pull-up}
3. Programmable Internal Pull-High
4. Wake-up Function
O 8 1. High voltage grid output
∼
17~24
GR9 /SG20
–
GR16 /SG13
1. High voltage grid output
O8
2. High voltage segment output
25~27
GR17/SG12/KS12
–
GR19/SG10/KS10
1. High voltage grid output
O 3 2. High voltage segment output
3. Matrix key scan output
28~32
P20/SG9/KS9
–
P24/SG5/KS5
1. High voltage segment output
O5
2. Matrix key scan output
33~36
1. High voltage segment output
SG4/KS4 – SG1/KS1 I/O 4 2. Matrix key scan output
3. General Purpose Input pins: p54~p57
40~46
GPIO90/LED0 –
GPIO97/LED7
1. General Purpose I/O pins
I/O 8 2. LED output pin (20mA)
3. IR Detector
Schmitt
Pull-up
6 of 57 11.18.2004 (V1.53)
This specification is subject to change without further notice.