M37221M4H-XXXFP datasheet(1/112 Pages) RENESAS

Part #	M37221M4H-XXXFP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

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Manufacturer	RENESAS [Renesas Technology Corp]

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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

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

REJ03B0134-0100Z

Rev.1.00

Oct 01, 2002

Rev.1.00

Oct 01, 2002

page 1 of 110

REJ03B0134-0100Z

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP

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