5
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37225M6/M8/MA/MC–XXXSP
M37225ECSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
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
ROM correction function
Subroutine nesting
Interrupt
Clock generating circuit
ROM
RAM
OSD ROM
OSD RAM
P00–P05
P06, P07
P1
P2
P30, P31, P35
P32
P33, P34
P50, P51
P52–P55
I/O
Input
Output
71
0.5
s (the minimum instruction execution time, at 8 MHz oscillation fre-
quency)
8 MHz (maximum)
24K bytes
32K bytes
40K bytes
48K bytes
1024 bytes (ROM correction memory included)
2048 bytes (ROM correction memory included)
15K bytes
96 bytes
6-bit 1 (N-channel open-drain output structure, can be used as PWM
output pins)
2-bit 1 (N-channel open-drain output structure, can be used as INT input
pins, A-D input pin)
8-bit 1 (CMOS input/output structure, can be used as OSD output pin, INT
input pin, A-D input pins, DA output pin, multi-master I2C-BUS interface)
8-bit 1 (CMOS input/output structure, can be used as serial I/O pins,
timer external clock input pins)
3-bit 1 (CMOS output structure, or N-channel open-drain output struc-
ture, can be used as A-D input pins, DA output pin)
1-bit 1 (N-channel open-drain output structure, can be used as A-D input pin)
2-bit 1 (Can be used as OSD clock input/output pins)
2-bit 1 (N-channel open-drain output structure, can be used as horizonal
vertical synchronous sibnal input pins)
4-bit 1 (CMOS output structure, can be used as OSD output pins)
8-bit 1
1 (2 systems)
8 channels (8-bit resolution)
14-bit 2, 8-bit 6
8-bit timer 4
3 vectors
128 levels (maximum)
<16 types>
INT external interrupt 3, Internal timer interrupt 6, Serial I/O interrupt
1, OSD interrupt 1, Multi-master I2C-BUS interface interrupt 1,
f(XIN)/4096 interrupt 1, SPRITE OSD interrupt 1, A-D conversion inter-
rupt 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)
Parameter
6. PERFORMANCE OVERVIEW
M37225M6-XXXSP
M37225M8-XXXSP
M37225MA-XXXSP
M37225MC-XXXSP,
M37225ECSP
M37225M6/M8-XXXSP
M37225MA/MC-XXXSP,
M37225ECSP
Table 6.1 Performance Overview
Functions