7470_M Datasheet, PDF (13/361 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES

HARDWARE
1.3 Performance overview
1.3 Performance overview
Tables 1.3.1 to 1.3.4 show the performance overview of 7470/7471/7477/7478 group.
Table 1.3.1 Performance overview of 7470 group
Parameter
Functions
Number of basic instructions
Instruction execution time
Clock input oscillation frequency
71 (69 basic instructions of 740 family and 2 multiplication
and division instructions)
0.5 µ s (the minimum instructions, at 8 MHz clock input
oscillation frequency)
8 MHz (max.)
M37470M2
4096 bytes
ROM
Memory
M37470M4/E4
M37470M8/E8
8192 bytes
16384 bytes
size
M37470M2
RAM
M37470M4/E4
128 bytes
192 bytes
M37470M8/E8
P0
384 bytes
8-bit
Input/
Output
I/O
P1
P2
8-bit
4-bit
port
P4
Input
P3
Serial I/O
Timers
2-bit
4-bit
8-bit ! 1
8-bit timer ! 4
PWM
A-D converter
1 (in common with 2 timer)
8-bit ! 1 (4 channels)
Subroutine nesting
M37470M2
M37470M4/E4
64 levels max.
96 levels max.
Interrupt
M37470M8/E8
192 levels max.
5 external interrupts, 6 internal interrupts, 1 software interrupt
Clock generating circuit
Built-in circuit with internal feedback resistor (an external
ceramic resonator or a quartz-crystal oscillator)
2.7 V to 4.5 V
Power source voltage
(at (2.2 VCC–2) MHz clock input oscillation frequency)
4.5 V to 5.5 V
(at 8 MHz clock input oscillation frequency)
Power dissipation
Input/Output
Input/Output withstand voltage
characteristics
Output current
Operating temperature
Device structure
Package
M37470Mx/Ex-XXXSP
35 mW typ.
(at 8 MHz clock input oscillation frequency)
5V
–5 mA to +10 mA (P0, P1, P2, P4: CMOS 3-state)
–20 °C to +85 °C
CMOS silicon gate
32-pin shrink plastic molded DIP
1-6
7470/7471/7477/7478 GROUP USER’S MANUAL