M38203M4 Datasheet, PDF (288/344 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
3.1 Built-in PROM version
3.1.2 Performance overview
Table 3.1.2 shows a performance overview of the built-in PROM version.
The performance of the built-in PROM version is the same as that of the mask ROM version with the
exception that the PROM is built in.
Table 3.1.2 Performance overview of built-in PROM version
Parameter
Basic instructions
Instruction execution time
Memory sizes
PROM
Performance
71
0.5 µs (minimum instructions at 8MHz oscillation frequency)
M38203E4
16384 bytes
(user ROM capacity; 16254 bytes)
M38207E8
32768 bytes
(user ROM capacity; 32638 bytes)
RAM
Programmable I/O ports
M38203E4
M38207E8
43
512 bytes
1024 bytes
Oscillation frequency
Interrupts
Main clock f(XIN)
Sub-clock f(XCIN)
8 MHz (maximum)
32 kHz (standard) to 50 kHz (maximum)
16 sources, 16 vectors
Timers
Serial I/O1
Serial I/O2
(includes key input interrupt)
8-bit ! 3
16-bit ! 2
8-bit ! 1 (operable in clock synchronous mode and UART mode)
8-bit ! 1 (operable only in clock synchronous mode)
LCD
(Liquid Crystal Display)
drive control functions
Watchdog timer
φ clock output function
Clock generating circuit
Bias
Duty ratio
Segment output
Common output
Select 1/2 or 1/3
Select duty ratio value of 2, 3, or 4
40 (maximum)
4 (maximum)
14-bit ! 1
1-bit output
2 built-in circuits (connect an external ceramic resonator or an external
quartz-crystal oscillator)
Power source voltage
Power dissipation
High-speed mode
Low-speed mode
Operating temperature range
Device structure
Packages
EPROM version
One Time PROM
version
2.5 V (minimum) to 5.0 V (standard) to 5.5 V (maximum)
V4.0 V (minimum) in high-speed mode. However, at f(XIN) =
(4 ! VCC – 8) MHz, 2.5 V to 4.0 V is possible.
32 mW (at 8 MHz oscillation frequency, VCC = 5 V)
0.045 mW (at 32 kHz oscillation frequency, VCC = 3 V)
–20 °C to 85 °C
CMOS silicon gate
80D0 (0.8 mm-pitch ceramic LCC)
80P6N-A (0.8 mm-pitch plastic mold QFP)
80P6S-A (0.65 mm-pitch plastic mold QFP)
80P6D-A (0.5 mm-pitch plastic mold QFP)
Note: The parts enclosed by thick line denotes performance peculiar to the PROM version.
3–4
3820 GROUP USER’S MANUAL