M37272E8 Datasheet PDF - Renesas Technology
| Part Number | M37272E8 | |
| Description | (M3727xx) 8-Bit CMOS Microcomputer | |
| Manufacturers | Renesas Technology | |
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M3727GM6/M8–XXXSP/FP M37272E8SP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION
DECODER and ON-SCREEN DISPLAY CONTROLLER
REJ03B0132-0100Z
Rev.1.00
Apr 01, 2001
1. DESCRIPTION
The M3727GM6/M8-XXXSP/FP are single-chip microcomputers de-
signed with CMOS silicon gate technology. They have a OSD, data
slicer, and I2C-BUS interface, so it is useful for a channel selection
system for TV with a closed caption decoder.
The features of the M37272E8SP/FP are similar to those of the
M3727GM6/M8-XXXSP/FP except that these chips have a built-in
PROM which can be written electrically. The difference between
M3727GM6-XXXSP/FP and M3727GM8-XXXSP/FP are the ROM
size and RAM size. Accordingly, the following descriptions will be for
the M3727GM6-XXXSP/FP.
2. FEATURES
●Number of basic instructions .................................................... 71
●Memory size
ROM .............. 24K bytes
(M3727GM6-XXXSP/FP)
32K bytes
(M3727GM8-XXXSP/FP, M37272E8SP/FP)
RAM ............... 1024 bytes
(M3727GM6-XXXSP/FP)
1152 bytes
(M3727GM8-XXXSP/FP, M37272E8SP/FP)
(*ROM correction memory included)
●Minimum instruction execution time
......................................... 0.5 µs (at 8 MHz oscillation frequency)
●Power source voltage ................................................. 5 V ± 10 %
●Subroutine nesting ............................................. 128 levels (Max.)
●Interrupts ....................................................... 17 types, 16 vectors
●8-bit timers .................................................................................. 6
●Programmable I/O ports (Ports P0, P1, P2, P30, P31) ............. 26
●Input ports (Ports P50, P51) ........................................................ 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
●PWM output circuit ......................................................... 8-bit ✕ 6
●Power dissipation
In high-speed mode ...................................................... 137.5 mW
(at VCC = 5.5V, 8 MHz oscillation frequency, OSD on, and Data slicer on)
In low-speed mode ......................................................... 0.33 mW
(at VCC = 5.5V, 32 kHz oscillation frequency)
●ROM correction function ................................................ 2 vectors
●Closed caption data slicer
●OSD function
Display characters ................................... 32 characters ✕ 2 lines
(It is possible to display 3 lines or more by software)
Kinds of characters ........................................................ 254 kinds
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
Smoth roll-up
Window function
3. APPLICATION
TV with a closed caption decoder
Rev.1.00 Apr 01, 2001 page 1 of 127
REJ03B0132-0100Z
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M3727GM6/M8–XXXSP/FP M37272E8SP/FP
6. PERFORMANCE OVERVIEW
Table 6.1 Performance Overview
Parameter
Number of basic instructions
Instruction execution time
Clock frequency
Memory size
Input/Output
ports
ROM M3727GM6-XXXSP/FP
M3727GM8-XXXSP/FP, M37272E8SP/FP
RAM M3727GM6-XXXSP/FP
M3727GM8-XXXSP/FP, M37272E8SP/FP
OSD ROM
OSD RAM
P0 I/O
P10–P17
I/O
P20–P27
I/O
P30, P31
P50, P51
P52–P55
Serial I/O
Multi-master I2C-BUS interface
A-D comparator
PWM output circuit
Timers
ROM correction function
Subroutine nesting
Interrupt
I/O
Input
Output
Clock generating circuit
Data slicer
Functions
71
0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre-
quency)
8 MHz (maximum)
24K bytes
32K bytes
1024 bytes (ROM correction memory included)
1152 bytes (ROM correction memory included)
10K bytes
128 bytes
8-bit ✕ 1 (N-channel open-drain output structure, can be used as PWM
output pins, INT input pins, A-D input pin)
8-bit ✕ 1 (CMOS input/output structure, however, N-channel open-drain
output structure, when P11–P14 are used as multi-master I2C-BUS inter-
face, can be used as OSD output pin, A-D input pins, INT input pin, multi-
master I2C-BUS interface)
8-bit ✕ 1 (P2 is CMOS input/output structure, however, N-channel open-
drain output structure when P20 and 21 are used as serial output, can be
used as serial input/output pins, timer external clock input pins, OSD clock
input/output pin, sub-clock input/output pins)
2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure,
can be used as A-D input pins)
2-bit ✕ 1 (can be used as OSD input pins)
4-bit ✕ 1 (CMOS output structure, can be used as OSD output pins)
8-bit ✕ 1
1 (2 systems)
6 channels (6-bit resolution)
8-bit ✕ 6
8-bit timer ✕ 6
2 vectors
128 levels (maximum)
<17 types>
INT external interrupt ✕ 3, Internal timer interrupt ✕ 6, Serial I/O interrupt ✕
1, OSD interrupt ✕ 1, Multi-master I2C-BUS interface interrupt ✕ 1, Data
slicer interrupt ✕ 1, f(XIN)/4096 interrupt ✕ 1, VSYNC interrupt ✕ 1, BRK
instruction interrupt ✕ 1, reset ✕ 1
2 built-in circuits (externally connected to a ceramic resonator or a quartz-
crystal oscillator)
Built-in
Rev.1.00 Apr 01, 2001 page 5 of 127
REJ03B0132-0100Z
Preview 5 Page |
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| Information | Total 30 Pages | |
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Featured Datasheets
| Part Number | Description | MFRS |
| M37272E8 | The function is (M3727xx) 8-Bit CMOS Microcomputer. Renesas Technology | |
| M37272E8FP | The function is SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER. Mitsubishi |  |
| M37272E8SP | The function is SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER. Mitsubishi | |
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