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7-6
7.3 User Control
7.3.1 Related ports of I401
Port
Pin No.
I/O
Signal name
Function
Remarks
MFB1
B6
I
RESET
RESET switch input
The set value is returned to the initial
value
MFB10
A3
I
EXIT
EXIT switch input
Withdraw from OSD
MFB8
A4
I
DOWN
6
switch input
(
6
) key
MFB4
B5
I
UP
5
switch input
(
5
) key
MFB9
B3
I
-
3
switch input
(
3
) key
MFB3
C5
I
+
4
switch input
(
4
) key
MFB2
A6
I
PROCEED PROCEED switch input Functional
7.3.2 Functions
Control is effected for the push-switches to be used when the user changes the parameters, in order to
modify the respective setting values. Whether the switch has been pressed is identified with the switch input
level that is turned “L”.
Each switch input port is pulled up at outside of ASIC.
Each parameter is stored in the EEPROM, the contents of which are updated as required.
7.4 Control of definition converter LSI I401
7.4.1 Ports related to control
Pin No.
I/O
Signal name
Function
C9
I
IRQ
B135 interrupt signal
C10
O
HCLK
B135 serial clock
B11
I/O
HDATA
B135 serial data
C11
O
HFS
B135 serial select
7.4.2 Functions
Major function of I401 are as follows:
(1) Expansion of the display screen.
(2) Timing control for various signal types.
(3) Power-supply sequence (LCD panel).
7.5 I
2
C bus control
7.5.1 Related ports of I201
Port
Pin No.
I/O
Signal name
Function
P3.3
15
I
IICCLK
IIC bus clock
P3.4
16
I/O
IICDATA
IIC bus data
7.5.2 I
2
C-controlled functions
The following function controls are effected I
2
C.
(1) Control of EEPROM I205 for parameter setting.
(2) Control of audio preamplifier.
Summary of Contents for MultiSync LCD1525VA
Page 8: ...1 5 MultiS 4 Figure E 1 Figure C 1 Figure D 1 Clip A Clip B Power Switch Quick Start cont ...
Page 9: ...1 6 5 Quick Start cont ...
Page 22: ...1 19 2 B Version User s Manual ...
Page 31: ...1 28 Installation E 9 MultiSyn Figure D 1 Figure E 1 Figure C 1 Clip B Clip A Power Button ...
Page 32: ...1 29 E 10 Installation ...
Page 46: ...3 2 Photo 2 Photo 3 Screw B Screw C HOOK ...
Page 47: ...3 3 Photo 4 Photo 5 Screw D Screw E FUNCTION BD ASSY P601 Screw E Screw E ...
Page 109: ...for Human Potential ...