M37270MF Datasheet, PDF (4/94 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37270MF-XXXSP
M37270EF-XXXSP, M37270EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
FUNCTIONS
Parameter
Number of basic instructions
Instruction execution time
Clock frequency
Memory size
Input/Output ports
ROM
RAM
OSD ROM
OSD RAM
P00–P02,
P04–P07
P03
P10, P15–P17
P11–P14
P2
P30, P31
P32
P40–P44
P45, P46
P47
P50, P51, P56,
P57
P52–P55
P60–P62,
P65–P67
P63
P64
Serial I/O
Multi-master I²C-BUS interface
A-D converter
PWM output circuit
Timers
Subroutine nesting
Interrupt interval determination circuit
Interrupt
Clock generating circuit
Data slicer
I/O
I/O
I/O
I/O
I/O
I/O
Output
Input
Input
Output
Output
Output
Output
Input
Input
Functions
71
0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre-
quency)
8 MHz (maximum)
60 K bytes
1024 bytes
14464 bytes
1920 bytes
7-bit ! 1 (N-channel open-drain output structure, can be used as PWM
output pins)
1-bit ! 1 (CMOS input/output structure)
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)
1-bit ! 1 (N-channel open-drain 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)
1-bit ! 1 (N-channel open-drain output structure)
4-bit ! 1 (N-channel open-drain output structure, can be used as PWM
output pins)
4-bit ! 1 (CMOS output structure, can be used as OSD output)
6-bit ! 1 (N-channel open-drain 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)
8-bit ! 1
1
4 channels (8-bit resolution)
8-bit ! 8
8-bit timer ! 6
128 levels (maximum)
1
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 a ceramic resonator or a quartz-
crystal oscillator)
Built in
4