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1.1 Performance overview
Table 1.1.1 shows the performance overview of the M37751.
Table 1.1.1 M37751 performance overview
Number of basic instructions
Instruction execution time
Operating clock frequency f(X
Memory size
Programmable Input/Output
ports
Multifunction timers
Serial I/O
A-D converter
Watchdog timer
Interrupts
Clock generating circuit
Supply voltage
Power dissipation
Port Input/Output
characteristics
Memory expansion
Operating temperature range
Device structure
Package
Note: All of the 7751 Group microcomputers are the same except for the package type, memory type,
memory size, and electric characteristics.
Parameters
)
IN
ROM
RAM
P0–P2, P4–P8
P3
TA0–TA4
TB0–TB2
UART0, UART1
Input/Output withstand voltage
Output current
7751 Group User's Manual
DESCRIPTION
1.1 Performance overview
Functions
109
100 ns (the minimum instruction at f(X
40 MHz (maximum at high-speed running)
49152 bytes
2048 bytes
8 bits
8
4 bits
1
16 bits
5
16 bits
3
(UART or clock synchronous serial I/O)
10-bit successive approximation method
12 bits
1
3 external, 16 internal (priority levels 0 to 7 can
be set for each interrupt with software)
Built-in (externally connected to a ceramic
resonator or a quartz-crystal oscillator)
5 V ±10 %
125 mW (at f(X
) = 40 MHz frequency, typ.)
IN
5 V
5 mA
Maximum 16 Mbytes
–20°C to 85°C
CMOS high-performance silicon gate process
80-pin plastic molded QFP
) = 40 MHz)
IN
2
1 (8 channels)
1–3
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