Table 4.1.1 Performance Overview (1) - Renesas 7200 Series User Manual

M37220M3-XXXSP/FP
4.1 Performance overview
4.1 Performance overview
This chapter is described about M37220M3-XXXSP/FP.
M37220M3-XXXSP/FP has the common functions with M37221M6-XXXSP/FP except for part of functions.
This chapter explains the differences between M37220M3-XXXSP/FP and M37221M6-XXXSP/FP. Therefore,
refer to the corresponding descriptions of M37221M6-XXXSP/FP about the common functions.
The 8-bit microcomputer M37220M3-XXXSP/FP has many additional functions for tuning system for TV:

Table 4.1.1 Performance overview (1)

Parameter
Number of basic instructions
Instruction execution time
Clock frequency
Memory size
Input/Output ports
Serial I/O
A-D comparator
D-A converter
PWM output circuit
Timers
Subroutine nesting
Interrupt
Clock generating circuit
Power source voltage
4-2
ROM
RAM
CRT ROM
CRT RAM
I/O
P0 –P0
0 7
I/O
P1 –P1
0 7
I/O
P2 , P2
0 1
P2 –P2 I/O
2 7
I/O
P3 , P3
0 1
P3 I/O
2
Input
P3 , P3
3 4
Output
P5 –P5
2 5
7220 Group User's Manual
Performance
71
0.5 µ s (the minimum instruction execution time, at 8
MHz oscillation frequency)
8 MHz (maximum)
12 K bytes
256 bytes
4 K bytes
80 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, can be used as
A-D input pins, INT input pin)
2-bit 1 (CMOS input/output or N-channel open-drain
output structure, can be used as serial I/O pins)
6-bit 1 (CMOS input/output structure, can be used as
serial input pin, external clock input pins)
2-bit 1 (CMOS input/output or N-channel open-drain
output structure, can be used as D-A conversion output
pins, A-D input pins)
1-bit 1 (N-channel open-drain output structure)
2-bit 1 (can be used as CRT display clock I/O pins)
4-bit 1 (CMOS output structure, can be used as CRT
output pins)
8-bit 1
6 channels (6-bit resolution)
2 (6-bit resolution)
14-bit 1, 8-bit 6
8-bit timer 4
96 levels (maximum)
External interrupt 3, Internal timer interrupt
I/O interrupt 1, CRT interrupt
1, V interrupt
SYNC
2 built-in circuits (externally connected a ceramic resonator
or a quartz-crystal oscillator)
5 V ± 10 %
1, f(X )/4096 interrupt
IN
1, BRK interrupt 1
4, Serial