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M37151 Datasheet(PDF) 2 Page - Renesas Technology Corp

Part No. M37151
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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 2 page
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1. DESCRIPTION
The M37151M6/M8/MA/MC/MF-XXXFP and M37151EFFP are
single-chip microcomputers designed with CMOS silicon gate tech-
nology. They have an OSD, data slicer, and I2C-BUS interface, mak-
ing them perfect for TV channel selection systems with a closed cap-
tion decoder. The M37151EFFP has a built-in PROM that can be
written electrically.
2. FEATURES
qNumber of basic instructions .................................................... 71
qMemory size
ROM .............. 24K bytes
(M37151M6-XXXFP)
32K bytes
(M37151M8-XXXFP)
40K bytes
(M37151MA-XXXFP)
48K bytes
(M37151MC-XXXFP)
60K bytes
(M37151MF-XXXFP, M37151EFFP)
RAM ............... 1024 bytes
(M37151M6-XXXFP)
1152 bytes
(M37151M8-XXXFP)
1472 bytes
(M37151MA-XXXFP, M37151MC-XXXFP)
2048 bytes
(M37151MF-XXXFP, M37151EFFP)
(*ROM correction memory included)
qMinimum instruction execution time
................................................................. 0.5
µs (Min.)(at 8 MHz)
qPower source voltage ................................................. 5 V ± 10 %
qSubroutine nesting ............................................. 128 levels (Max.)
qInterrupts ....................................................... 17 types, 16 vectors
q8-bit timers .................................................................................. 6
qProgrammable I/O ports (Ports P0, P1, P2, P30, P31) ............. 25
qSerial I/O ............................................................ 8-bit ✕ 1 channel
qMulti-master I2C-BUS interface .............................. 1 (3 systems)
qA-D comparator (7-bit resolution) ................................ 8 channels
qPWM output circuit ......................................................... 8-bit ✕ 5
qPower dissipation
High-speed mode ............................................................ 165 mW
(at VCC = 5.5V, Oscillation frequency 8 MHz, OSD on, and Data
slicer on)
Low-speed mode ............................................................ 0.33 mW
(at VCC = 5.5V, 32 kHz oscillation frequency)
qClosed caption data slicer
qROM correction function ................................................ 2 vectors
qOSD function
Display characters ................................... 32 characters ✕ 2 lines
(It is possible to display 3 lines or more by software)
Kinds of characters ........................................................ 254 kinds
(coloring unit)
(per charactor unit)
Character display area ............................ CC mode: 16 ✕ 26 dots
OSD mode: 16 ✕ 20 dots
Kinds of character sizes ..................................... CC mode: 1 kind
OSD mode: 8 kinds
Kinds of character colors .................................. 8 colors (R, G, B)
Coloring unit ................... character, character background, raster
Display position
Horizontal: 128 levels
Vertical: 512 levels
Attribute ........................................................................................
CC mode: smooth italic, underline, flash, automatic solid space
OSD mode: border
Smooth roll-up
Window function
3. APPLICATION
TV with closed caption decoder
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
Rev. 1.0




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