Pin Description - NEC MultiSync LCD1920NX User And Service Manual

2.6.3 Pin description

Name
P1.0
P1.1/HALFV
P1.2/HALFH
P1.3/HCLAMP
P1.4/AD2
P1.5/AD3
P1.6/AD0
P1.7/AD1
RST
HSCL/P3.0/Rxd
HSDA/P3.1/Txd
ISDA/P3.2/INT0
HSYNC
ISCL/P3.4/T0
VSYNC
HBLANK/P4.1
VBLANK/P4.0
X2
X1
VSS
P2.0/INT0
P2.1
P2.2
P2.3
DA13/P2.4
DA12/P2.5
DA11/P2.6
DA10/P2.7
STOUT/P4.2
DA9
DA8
DA7/P5.7
DA6/P5.6
DA5/P5.5
DA4/P5.4
DA3/P5.3
DA2/P5.2
DA1/P5.1
DA0/P5.0
VDD
Pin#
Type
40 42 44
I/O 1 1 2 General purpose I/O
I/O 2 2 3 General purpose I/O / V-sync half frequency output.
I/O 3 3 4 General purpose I/O / H-sync half frequency output.
I/O 4 4 5 General purpose I/O / H-sync clamp pulse output.
I/O 5 5 6 General purpose I/O / ADC input.
I/O 6 6 7 General purpose I/O / ADC input.
I/O 7 7 9 General purpose I/O / ADC input.
I/O 8 8 10 General purpose I/O / ADC input.
I 9 9 11 Active high reset
I/O 10 10 12 IIC clock / General purpose I/O / Rxd
I/O 11 11 13 IIC data / General purpose I/O / Txd
I/O 12 12 14 IIC data / General purpose I/O / INT0
I 13 13 15 Horizontal SYNC or Composite SYNC
I/O 14 14 16 IIC clock / General purpose I/O / T0
I 15 15 17 Vertical SYNC
O 16 17 19 Horizontal blank / General purpose output
O 17 18 20 Vertical blank / General purpose output
O 18 19 21 Oscillator output
I 19 20 22 Oscillator input
- 20 21 23 Ground
I/O 21 22 24 General purpose I/O / INT0
I/O 22 23 25 General purpose I/O
I/O 23 24 26 General purpose I/O
I/O 24 25 27 General purpose I/O
I/O 25 26 28 PWM DAC output / General purpose I/O (open-drain)
I/O 26 27 30 PWM DAC output / General purpose I/O (open-drain)
I/O 27 28 31 PWM DAC output / General purpose I/O (open-drain)
I/O 28 29 32 PWM DAC output / General purpose I/O (open-drain)
O 29 30 33 Self-test video / General purpose output
O 30 32 34 PWM DAC output / General purpose I/O (open-drain)
O 31 33 35 PWM DAC output / General purpose I/O (open-drain)
O 32 34 36 PWM DAC output / General purpose I/O (open-drain)
O 33 35 37 PWM DAC output / General purpose I/O (open-drain)
O 34 36 38 PWM DAC output / General purpose I/O (open-drain)
O 35 37 39 PWM DAC output / General purpose I/O (open-drain)
O 36 38 41 PWM DAC output / General purpose I/O (open-drain)
O 37 39 42 PWM DAC output / General purpose I/O (open-drain)
O 38 40 43 PWM DAC output / General purpose I/O (open-drain)
O 39 41 44 PWM DAC output / General purpose I/O (open-drain)
- 40 42 1 Positive power supply
7-15
Description