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PDF M37221MAH-XXXSP Data sheet ( Hoja de datos )
| Número de pieza | M37221MAH-XXXSP | |
| Descripción | (M37221M4H/M8H/M6H/EASP) Single-Chip 8-Bit CMOS Microcomputer | |
| Fabricantes | Renesas Technology | |
| Logotipo |  |
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M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
REJ03B0134-0100Z
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
Rev.1.00
with ON-SCREEN DISPLAY CONTROLLER
Oct 01, 2002
1. DESCRIPTION
The M37221M4H/M6H/M8H/MAH-XXXSP/FP are single-chip micro-
computers designed with CMOS silicon gate technology. They have
a OSD, I2C-BUS interface, and PWM, making them perfect for TV
channel selection system.
The M37221EASP/FP have a built-in PROM that can be written elec-
trically.
2. FEATURES
●Number of basic instructions ..................................................... 71
●Memory size
ROM ............. 16K bytes (M37221M4H-XXXSP/FP)
24K bytes (M37221M6H-XXXSP/FP)
32K bytes (M37221M8H-XXXSP/FP)
40K bytes (M37221MAH-XXXSP/FP, M37221EASP/FP)
RAM ............. 384 bytes (M37221M4H-XXXSP/FP)
448 bytes (M37221M6H-XXXSP/FP)
576 bytes (M37221M8H-XXXSP/FP)
704 bytes (M37221MAH-XXXSP/FP, M37221EASP/FP)
(ROM correction memory included)
●The minimum instruction execution time
......................................... 0.5 µs (at 8 MHz oscillation frequency)
●Power source voltage .................................................. 5 V ± 10 %
●Subroutine nesting
maximum 96 levels (M37221M4H/M6H-XXXSP/FP)
maximum 128 levels (M37221M8H/MAH-XXXSP/FP, M37221EASP/FP)
●Interrupts ........................................................ 14 types, 14 vectors
●8-bit timers ................................................................................... 4
●Programmable I/O ports
(Ports P0, P1, P2, P30–P32 ) ..................................................... 27
●Input ports (Ports P33, P34) ......................................................... 2
●Output ports (Ports P52–P55) ...................................................... 4
●LED drive ports ............................................................................ 4
●Serial I/O ............................................................. 8-bit ✕ 1 channel
●Multi-master I2C-BUS interface ............................... 1 (2 systems)
●A-D comparator (6-bit resolution) ................................. 6 channels
●D-A converter (6-bit resolution) .................................................... 2
Note: Only M37221EASP/FP has D-A converter.
●PWM output circuit .......................................... 14-bit ✕ 1, 8-bit ✕ 6
●Power dissipation .............................. High-speed mode : 165 mW
(at VCC=5.5V, 8 MHz oscillation frequency, and OSD on)
●ROM correction function ................................................. 2 vectors
●OSD function
Display characters .................................... 24 characters 5 2 lines
(3 lines or more can be displayed by software)
Kinds of characters ........................................................ 256 kinds
Character display area .............................................. 12 ✕ 16 dots
Kinds of character sizes ..................................................... 3 kinds
Kinds of character colors .................................. 8 colors (R, G, B)
Coloring unit ................... character, character background, raster
Display position .............................................................................
Horizontal: 64 levels
Vertical: 128 levels
Attribute .............................................................................. border
3. APPLICATION
TV
Rev.1.00 Oct 01, 2002 page 1 of 110
REJ03B0134-0100Z
1 page  
M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
5. FUNCTIONAL BLOCK DIAGRAM
Fig. 5.1 Functional Block Diagram of M37221
Rev.1.00 Oct 01, 2002 page 5 of 110
REJ03B0134-0100Z
5 Page 
M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
HSYNC, VSYNC
Internal circuit
Fig. 7.2 I/O pin block diagram (2)
D-A, R, G, B, OUT1, OUT2
Schmidt input
HSYNC, VSYNC
Internal circuit
CMOS output
D-A, R, G, B, OUT1, OUT2
Note: Each pin is also used
as below:
R : P52
G : P53
B : P54
OUT1 : P55
OUT2 : P10
Rev.1.00 Oct 01, 2002 page 11 of 110
REJ03B0134-0100Z
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet M37221MAH-XXXSP.PDF ] | |
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