NEC MultiSync V520

PIN DESCRIPTION
Pin No.
40 42
Pin Name I/O Descriptions
11 DA2 O
D/A converter 2.
Open-drain output. External applied voltage can up to 10V.
22 DA1 O
D/A converter 1.
Open-drain output. External applied voltage can up to 10V.
33 DA0 O
D/A converter 0.
Open-drain output. External applied voltage can up to 10V.
4 4 /RESET I
Reset.
Active low. Schmitt trigger input, Internal pull high.
55 VDD
Power supply (+5V).
67 GND
Ground (0V).
78 OSCO O
Oscillator Output.
Connects a 8MHz crystal.
89 OSCI I
Oscillator Input.
Connects a 8MHz crystal.
9 10 PB5/SDA2 I/O
I/O Port B5 or I²C data pin.
This pin can be an I/O port or I²C serial data pin.
10 11 PB4/SCL2 I/O
I/O Port B4 or I²C data pin.
This pin can be I/O port or I²C clock pin.
11 12 PB3/PAT I/O
I/O Port B3 or self-test pattern output.
When as an I/O port, it is same as PB5.
When it is configured to test pattern output, a video signal is output.
12 13 PB2 I/O
I/O Port B2. Same as PB0.
13 14 PB1 I/O
I/O Port B1. Same as PB0.
14 15 PB0 I/O
I/O Port B0.
When it is an input pin, it has an internal pull-up resistor. When it is an
output pin, the source/sink current is 5mA.
15 16 PB6/IRQ I/O
I/O Port B6 or Interrupt Request.
When as interrupt request input, it has an
internal pull high resistor. When as an I/O port, it is same as PB3.
16 17 PC7 I/O
I/O Port C7.
When it is an input pin, it has an internal pull-up resistor. When it is an
output pin, the sink current is 10mA and the source current is 5mA.
17 18 PC6 I/O
I/O Port C6.
Same as PC7.
18 19 PC5 I/O
I/O Port C5.
Same as PC7.
19 20 PC4 I/O
I/O Port C4.
Same as PC7.
20 21 PC3 I/O
I/O Port C3.
Same as PC7.
21 22 PC2 I/O
I/O Port C2.
Same as PC7.
22 23 PC1/AD1 I/O
I/O Port C1 or A/D converter input 0.
23 24 PC0/AD0 I/O
I/O Port C0 or A/D converter input 1.
24 25 SDA1/PD1 I/O
DDC serial clock or I/O Port D1.
When it is a DDC interface pin, It is an open-
drain output. When as an I/O port, it is same as Port B.
25 26 SCLI/PD0 I/O
DDC serial clock or I/O Port D0.
When it is a DDC interface pin, It is an open-
drain output. When as an I/O port, it is same as Port B.
26 27 PA0/DA8 I/O
I/O Port A0 or D/A converter 8.
This pin can be the output of D/A converter 8
(source /sink = 5mA) or an I/O pin (source = -100uA, sink = 5mA).
27 28 PA1/DA9 I/O
I/O Port A1 or D/A converter 9.
Same as PA0/DA8.
28 29 PA2/DA10 I/O
I/O Port A2 or D/A converter 10.
Same as PA0/DA8.
29 30 PA3/DA11 I/O
I/O Port A3 or D/A converter 11.
Same as PA0/DA8.
30 31 PA4/DA12 I/O
I/O Port A4 or D/A converter 12.
Same as PA0/DA8.
31 32 PA5/DA13 I/O
I/O Port A5 or D/A converter 13.
Same as PA0/DA8.
32 33 PA6/VSO I/O
I/O Port A6 / VSYNC OUT.
This pin can be the output of VSYNC or an I/O pin.
When as an I/O pin, it is same as PA0.
33 34 PA7/HSO I/O
I/O Port A7 / HSYNC OUT.
This pin can be the output of HSYNC or an I/O pin.
When as an I/O pin, it is same as PA0.
34 35 DA7 O
D/A converter 7.
Open-drain output. External applied voltage can up to 10V.
35 36 DA6 O
D/A converter 6.
Open-drain output. External applied voltage can up to 10V.
36 38 DA5 O
D/A converter 5.
Open-drain output. External applied voltage can up to 10V.
37 39 DA4 O
D/A converter 4.
Open-drain output. External applied voltage can up to 10V.
38 40 DA3 O
D/A converter 3.
Open-drain output. External applied voltage can up to 10V.
39 41 HSYNC I
HSYNC input.
Schmitt trigger input.
40 42 VSYNC I
VSYNC input.
Schmitt trigger input.
48