MTV313M
8051 Embedded Monitor Controller Flash Type with ISP
sales@myson.com.tw
www.myson.com.tw
Rev. 0.9 November 2002
page 1 of 28
Myson Century, Inc.
Taiwan:
No. 2, Industry East Rd. III,
Science-Based Industrial Park, Hsin-Chu, Taiwan
Tel: 886-3-5784866 Fax: 886-3-5784349
USA:
4020 Moorpark Avenue Suite 115
San Jose, CA, 95117
Tel: 408-243-8388 Fax: 408-243-3188
FEATURES
·
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 eight free-running timings
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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, 192us conversion time
·
Watchdog timer with programmable interval
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Flash-ROM program code protection selection
·
40-pin DIP or 42-pin SDIP package, pin-compatible to WT series MCU
GENERAL DESCRIPTIONS
The MTV313M 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
XFR
P0.0-7
P2.0-3
RD
WR
ALE
INT1
P0.0-7
P2.0-3
RD
WR
ALE
INT1
8051
CORE
P1.0-7
P3.0-2
P3.4-5
RST
X1
X2
ADC
AD0-3
PWM DAC
DA0-13
DDC & IIC
INTERFACE
ISCL
ISDA
HSCL
HSDA
AUXRAM &
DDCRAM
HSYNC
VSYNC
HBLANK
VBLANK
H/VSYNC
CONTROL
P6.0-7
P5.0-6
AUX
I/O
P4.0-2
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