Table of Contents
Advertisement
LM-1510A(LM-1510B) Technical Service Manual
FEATURES
MTV312M64
•
8051 core, 12MHz operating frequency with double CPU clock option
•
0.35uM process; 5V/3.3V power supply and I/O; 3.3V core operating
•
1024-byte RAM; 64K-byte program Flash-ROM support In System Programming (ISP)
•
Maximum 14 channels of PWM DAC
•
Maximum 31 I/O pins
•
SYNC processor for composite separation/insertion, H/V polarity/frequency check and polarity adjustment
•
Built-in low power reset circuit
•
Built-in self-test pattern generator with four free-running timings
•
Compliant with VESA DDC1/2B/2Bi/2B+ standard
•
Dual slave IIC addresses; H/W auto transfer DDC1/DDC2x data
•
Single master IIC interface for internal device communication
•
Maximum 4-channel 6-bit ADC
•
Watchdog timer with programmable interval
•
Flash-ROM program code protection selection
•
40-pin DIP, 42-pin SDIP or 44-pin PLCC package
GENERAL DESCRIPTIONS
The MTV312M micro-controller is an 8051 CPU core embedded device especially tailored for CRT/LCD
Monitor applications. It includes an 8051 CPU core, 1024-byte SRAM, 14 built-in PWM DACs, VESA DDC
interface, 4-channel A/D converter, and a 64K-byte internal program Flash-ROM.
BLOCK DIAGRAM
P1.0-7
P3.0-2
P3.4-5
8051
CORE
RST
X1
X2
P6.0-7
P5.0-6
P4.0-2
P0.0-7
P0.0-7
P2.0-3
P2.0-3
RD
RD
WR
WR
ALE
ALE
INT1
INT1
AD0-3
AUX
I/O
XFR
ADC
PWM DAC
DA0-13
--15--
AUXRAM &
DDCRAM
HSYNC
H/VSYNC
VSYNC
CONTROL
HBLANK
VBLANK
ISCL
DDC & IIC
ISDA
INTERFACE
HSCL
HSDA
Advertisement
Table of Contents
