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M37212M4XXXSP

Features: Number of basic instructions ..................................................... 71 Memory size ROM............... ......... 16K bytes (M37212M4-XXXSP) 24K bytes (M37212M6-XXXSP/FP) 32K bytes (M37212M8-XXXSP) 62K bytes (M37212EFSP/FP) RAM ......................... 320 bytes (M37212M4-...

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SeekIC No. : 004404904 Detail

M37212M4XXXSP: Features: Number of basic instructions ..................................................... 71 Memory size ROM............... ......... 16K bytes (M37212M4-XXXSP) 24K bytes (M37212M6-XXXSP/FP) 32K...

M37212M4XXXSP Data Sheet

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Part Number:
M37212M4XXXSP
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
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Product Details

Description



Features:

Number of basic instructions ..................................................... 71
Memory size
                ROM............... ......... 16K bytes (M37212M4-XXXSP)
                                                 24K bytes (M37212M6-XXXSP/FP)
                                                 32K bytes (M37212M8-XXXSP)
                                                 62K bytes (M37212EFSP/FP)
                RAM ......................... 320 bytes (M37212M4-XXXSP)
                                                 384 bytes (M37212M6-XXXSP/FP)
                                                 576 bytes (M37212M8-XXXSP)
                                                 1280 bytes (M37212EFSP/FP)
                         (*ROM correction memory included)
The minimum instruction execution time
......................................... 0.5 s (at 8 MHz oscillation frequency)
Power source voltage .................................................. 5 V ± 10 %
Subroutine nesting
   maximum 96 levels (M37212M4/M8-XXXSP, M37212M6-XXXSP/FP)
   maximum 128 levels (M37212EFSP/FP)
Interrupts ........................................................ 14 types, 14 vectors
8-bit timers ................................................................................... 4
Programmable I/O ports
   (Ports P0, P10P14, P2, P30, P31, P40, P41) ............................. 25
Input ports (Ports P15P17, P32P37, P42) ............................... 10
Output ports (Ports P52P55, P60P63) ....................................... 8
12 V withstand ports .................................................................. 12
LED drive ports ............................................................................ 4
Serial I/O ............................................................. 8-bit 5 1 channel
Multi-master I2C-BUS interface ............................... 1 (2 systems)
A-D comparator (6-bit resolution) ................................. 8 channels
PWM output circuit .......................................... 14-bit 5 1, 8-bit 5 8
Power dissipation .............................................................. 165 mW
   (at 8 MHz oscillation frequency, VCC=5.5V, at OSD display)
ROM correction function ................................................. 2 vectors
   Note: Only M37212M8-XXXSP and M37212EFSP/FP have ROM correction function.
OSD function
   Display characters ................................... 24 characters 5 2 lines
                          (It is possible to display 3lines or more by software)
   Kinds of characters ........................................................ 256 kinds
   Character display area .............................................. 12 5 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


Application

TV


Pinout

Connection Diagram


Specifications

Symbol
Conditions
Parameter
Ratings
Unit
VCC, AVCC
 Power source voltage VCC All voltages are based
on VSS.
Output transistors are
cut off.
0.3 to 6
V
VI Input voltage               CNVSS
0.3 to 6
V
VI Input voltage              P00P07, P10P17, P20P27,
                                   P30P37, P40P42, OSC1, XIN,
                                  HSYNC, VSYNC, RESET
0.3 to VCC + 0.3
V
VO Output voltage           P10P14, P20P17, P30, P31,
                                   P40, P41, R, G, B, OUT1, DA
                                   XOUT, OSC2
0.3 to VCC + 0.3
V
VO Output voltage            P00P07, P60P63
0.3 to 13
V
IOH
 Circuit current              R, G, B, OUT1, P10P14,
                                    P20P27, P30, P31, DA		  
0 to 1 (Note 1)
mA
IOL1   Circuit current              R, G, B, OUT1, P06, P07, P10,
                                    P20P23, P30, P31, P40, P41,
                                    DA		  
0 to 2 (Note 2)
mA
IOL2
 Circuit current               P11P14
  
0 to 6 (Note 2)
mA
IOL3 Circuit current              P00P07, P60P63  
0 to 1 (Note 2)
mA
IOL4
 Circuit current               P24P27  
0 to 10 (Note 3)
mA
Pd Power dissipation Ta = 25 °C
550
mW
Topr
 Operating temperature
  
10 to 70
°C
Tstg Storage temperature  
40 to 125
°C



Description

The M37212M6-XXXSP/FP, M37212M4/M8-XXXSP are single-chip microcomputers designed with CMOS silicon gate technology. They have a OSD, I2C-BUS interface, and PWM, so it is useful for a channel selection system for TV.

The feature of the M37212EFSP/FP are similar to those of the M37212M6-XXXSP/FP except that these chips have a built-in PROM which can be written electrically. The differences between the M37212M6-XXXSP/FP and M37212M4/M8-XXXSP are the ROM size and the RAM size as shown below. Accordingly, the following descriptions will be for M37212M6-XXXSP/FP unless otherwise noted.




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