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M37274MA Datasheet(PDF) 4 Page - Mitsubishi Electric Semiconductor

Part No. M37274MA
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER    
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Maker  MITSUBISHI [Mitsubishi Electric Semiconductor]
Homepage  http://www.mitsubishichips.com
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M37274MA Datasheet(HTML) 4 Page - Mitsubishi Electric Semiconductor

 
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4
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37274MA-XXXSP
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
paramentic
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
Number of basic instructions
Instruction execution time
Clock frequency
Memory size
Input/Output ports
Serial I/O
Multi-master I2C-BUS interface
A-D converter
PWM output circuit
Timers
Subroutine nesting
Interrupt
Clock generating circuit
Data slicer
ROM
RAM
OSD ROM
OSD RAM
P00–P02,
P04–P07
P03
P10, P15–P17
P11–P14
P2
P30, P31
P40–P44
P45, P46
P52–P55
P63
P64
P70–P72
ROM correction memory
I/O
I/O
I/O
I/O
I/O
I/O
Input
Input
Output
Input
Input
Input
71
0.5
µs (the minimum instruction execution time, at 8 MHz oscillation fre-
quency)
8 MHz (maximum)
40 K bytes
768 bytes
11072 bytes
1296 bytes
7-bit ! 1 (N-channel open-drain output structure, can be used as 8-bit
PWM output pins)
1-bit ! 1
(CMOS input/output structure, can be used as 14-bit PWM output pin)
4-bit ! 1 (CMOS input/output structure, can be used as OSD output pin,
INT input pin, serial input pin)
4-bit ! 1 (N-channel open-drain output structure, can be used as multi-
master I2C-BUS interface)
8-bit ! 1 (CMOS input/output structure, can be used as A-D input pins)
2-bit ! 1 (CMOS input/output structure)
5-bit ! 1 (can be used as A-D input pins, INT input pins, external clock
input pins)
2-bit ! 1 (N-channel open-drain output structure when serial I/O is used,
can be used as serial I/O pins)
4-bit ! 1 (CMOS output structure, can be used as OSD output)
1-bit ! 1 (can be used as sub-clock input pin, OSD clock input pin)
1-bit ! 1 (CMOS output structure when LC is oscillating, can be used as
sub-clock output pin, OSD clock output pin)
3-bit ! 1 (can be used as data slicer input/output)
8-bit ! 1
1
6 channels (8-bit resolution)
14-bit ! 1, 8-bit ! 7
8-bit timer ! 6
128 levels (maximum)
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)/4092 interrupt ! 1, VSYNC interrupt ! 1, A-
D conversion interrupt ! 1, BRK instruction interrupt ! 1
2 built-in circuits (externally connected to a ceramic resonator or a quartz-
crystal oscillator)
Parameter
Functions
FUNCTIONS
64 bytes
Built in


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