WT6014
Digital Monitor Controller
Ver. 1.21 Jul-31-1998
GENERAL DESCRIPTION
The WT6014 is a member of WT60XX microcontroller family. It is specially designed for digital
controlled multi-sync monitor. It contains 8-bit CPU, 4K bytes ROM, 128 bytes RAM, 14 PWMs,
parallel I/O, SYNC processor, timer, DDC interface (slave mode I
2
C interface with DDC1), and
watch-dog timer.
FEATURES
* 8-bit 6502 compatible CPU, 4MHz operating frequency
* 4096 bytes ROM, 128 bytes SRAM
* 8MHz crystal oscillator
* 14 channels 8-bit/62.5kHz PWM outputs (8 open drain outputs & 6 CMOS outputs)
* Sync signal processor with sync separation, frequency calculation, H/V polarity detection control
* DDC interface supports VESA DDC1/DDC2B standard
* Watch-dog timer (0.524 second)
* Maximum 22 programmable I/O pins
* One 8-bit programmable timer
* One external interrupt request
* Built-in low V
DD
voltage reset
* Single +5V power supply
PIN ASSIGNMENT
40-Pin PDIP
DA2
DA1
DA0
RESET
VDD
GND
OSCO
OSCI
PB5
PB4
PB3
PB2
PB1
PB0
IRQ
PC7
PC6
PC5
PC4
PC3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VSYNC
HSYNC
DA3
DA4
DA5
DA6
DA7
PA7/HSO
PA6/VSO
PA5/DA13
PA4/DA12
PA3/DA11
PA2/DA10
PA1/DA9
PA0/DA8
SCL
SDA
PC0
PC1
PC2
GND
OSCO
OSCI
PB5
PB4
PB3
PB2
PB1
PB0
IRQ
PC7
PC6
PC5
PC4
PC3
DA2
DA1
DA0
RESET
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42-Pin SDIP
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
DA6
DA7
PA7/HSO
PA6/VSO
PA5/DA13
PA4/DA12
PA3/DA11
PA2/DA10
PA1/DA9
PA0/DA8
SCL
SDA
PC0
PC1
PC2
VSYNC
HSYNC
DA3
DA4
DA5
*
I
2
C
is a trademark of Philips Corporation.
*
DDC
is a trademark of Video Electronics Standard Association (VESA).
Weltrend Semiconductor, Inc.
1
WELTREND [ WELTREND SEMICONDUCTOR ]
