WT6014
Digital Monitor Controller
Ver. 1.21 Jul-31-1998
PIN DESCRIPTION
Pin No. Pin Name I/O
40 42
Descriptions
1
2
3
4
5
6
7
8
9
1
2
3
4
5
DA2
DA1
DA0
/RESET
VDD
GND
OSCO
OSCI
PB5
O
O
O
I
D/A converter 2. Open-drain output. External applied voltage can up to 10V.
D/A converter 1. Open-drain output. External applied voltage can up to 10V.
D/A converter 0. Open-drain output. External applied voltage can up to 10V.
Reset. Active low. Schmitt trigger input, Internal pull high.
Power supply (+5V).
7
Ground (0V).
8
9
10
O
I
I/O
Oscillator Output. Connects a 8MHz crystal.
Oscillator Input. Connects a 8MHz crystal.
I/O Port B5. When it is an input pin, it has an internal pull-up resistor. When it is
an output pin, the sink current is 5mA and the source current is 5mA.
I/O Port B4. Same as PB5.
I/O Port B3. Same as PB5.
I/O Port B2. Same as PB5.
I/O Port B1. Same as PB5.
I/O Port B0. Same as PB5.
Interrupt Request . It has an internal pull high resistor.
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.
I/O Port C6. Same as PC7.
I/O Port C5. Same as PC7.
I/O Port C4. Same as PC7.
I/O Port C3. Same as PC7.
I/O Port C2. Same as PC7.
I/O Port C1. Same as PC7.
I/O Port C0. Same as PC7.
10 11
11 12
12 13
13 14
14 15
15 16
16 17
PB4
PB3
PB2
PB1
PB0
/IRQ
PC7
I/O
I/O
I/O
I/O
I/O
I/O
I/O
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
PC6
PC5
PC4
PC3
PC2
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
PC1
PC0
SDA
SCL
PA0/DA8
DDC serial data.
DDC serial clock.
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).
I/O Port A1 or D/A converter 9. Same as PA0/DA8.
I/O Port A2 or D/A converter 10. Same as PA0/DA8.
I/O Port A3 or D/A converter 11. Same as PA0/DA8.
I/O Port A4 or D/A converter 12. Same as PA0/DA8.
I/O Port A5 or D/A converter 13. Same as PA0/DA8.
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.
27 28
PA1/DA9
I/O
I/O
I/O
I/O
I/O
I/O
28 29 PA2/DA10
29 30 PA3/DA11
30 31 PA4/DA12
31 32 PA5/DA13
32 33 PA6/VSO
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
35 36
36 38
37 39
38 40
39 41
40 42
DA7
DA6
DA5
DA4
DA3
O
O
O
O
O
I
D/A converter 7. Open-drain output. External applied voltage can up to 10V.
D/A converter 6. Open-drain output. External applied voltage can up to 10V.
D/A converter 5. Open-drain output. External applied voltage can up to 10V.
D/A converter 4. Open-drain output. External applied voltage can up to 10V.
D/A converter 3. Open-drain output. External applied voltage can up to 10V.
HSYNC input. Schmitt trigger input.
HSYNC
VSYNC
I
VSYNC input. Schmitt trigger input.
Weltrend Semiconductor, Inc.
2
WELTREND [ WELTREND SEMICONDUCTOR ]
