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M37225ECSP fiches techniques PDF

Renesas - SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Numéro de référence M37225ECSP
Description SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Fabricant Renesas 
Logo Renesas 





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M37225ECSP fiche technique
M37225M6/M8/MA/MC–XXXSP, M37225ECSP
SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
REJ03B0136-0100Z
Rev.1.00
Nov 01, 2000
1. DESCRIPTION
The M37225M6/M8/MA/MC–XXXSP are single-chip microcomput-
ers designed with CMOS silicon gate technology. They have a OSD,
I2C-BUS interface, PWM output, and 12 V withstand, so it is useful
for a channel selection system for TV.
The features of the M37225ECSP are similar to those of the
M37225M6-XXXSP except that the chip has a built-in PROM which
can be written electrically. The differences amang M37225M6/M8/
MA/MC–XXXSP are the ROM, RAM size. Accordingly, the following
descriptions will be for the M37225M6-XXXSP.
2. FEATURES
qNumber of basic instructions .................................................... 71
qMemory size
ROM ......... 24K bytes (M37225M6-XXXSP)
32K bytes (M37225M8-XXXSP)
40K bytes (M37225MA–XXXSP)
48K bytes (M37225MC–XXXSP, M37225ECSP)
RAM ......... 1024 bytes (M37225M6/M8-XXXSP)
2048 bytes (M37225MA/MC–XXXSP, M37225ECSP)
(ROM correction memory included)
qMinimum instruction execution time
......................................... 0.5 µs (at 8 MHz oscillation frequency)
qPower source voltage ................................................. 5 V ± 10 %
qSubroutine nesting ............................................. 128 levels (Max.)
qInterrupts ....................................................... 16 types, 16 vectors
q8-bit timers .................................................................................. 4
qProgrammable I/O ports (Ports P0, P1, P2, P30–P32, P35) ..... 28
qInput ports (Ports P33, P34, P50, P51) ........................................ 4
qOutput ports (Ports P52–P55) ..................................................... 4
q12 V withstand ports ................................................................... 6
qLED drive ports ........................................................................... 4
qSerial I/O ............................................................ 8-bit 1 channel
qMulti-master I2C-BUS interface .............................. 1 (2 systems)
qA-D converter (8-bit resolution) .................................... 8 channels
qPWM output circuit ........................................ 14-bit 2, 8-bit 6
qPower dissipation
In operating ...................................................................... 165 mW
(at VCC = 5.5V, 8 MHz oscillation frequency, and OSD on)
qROM correction function ................................................ 3 vectors
qImmediate return mode from wait state
qOSD function
Display characters ............................................... 24 characters 2 lines
(It is possible to display 3 lines or more by software)
Kinds of characters ......... 381 kinds
Character display area 16 20 dots
Kinds of character sizes .............................. Block display: 3 kinds
SPRITE display: 1 kinds
Kinds of character colors. ................................. 8 colors (R, G, B)
Coloring unit ................... character, character background, raster
Display position
Horizontal: 64 levels Vertical :255 levels
Attribute ........ Border (all-bordered, shadow-bordered), BUTTON
SPRITE display function
Wallpaper function
Window function
Corresponding to bi-scan mode
3. APPLICATION
TV
Rev.1.00 Nov 01, 2000 page 1 of 124
REJ03B0136-0100Z

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