MB89145 Datasheet, PDF (3/50 Pages) Fujitsu Component Limited. – 8-bit Proprietary Microcontroller

MB89140 Series
s PRODUCT LINEUP
Part number
Parameter
Classification
MB89145
MB89146
Mass production products
(mask ROM products)
MB89P147
One-time PROM/
EPROM product
MB89PV140
Piggyback/
evaluation product
(for evaluation and
development)
ROM size
16 K × 8 bits
(internal mask
ROM)
24 K × 8 bits
(internal mask
ROM)
32 K × 8 bits
(internal PROM)
32 K × 8 bits
(external ROM)
RAM size
512 × 8 bits
768 × 8 bits
1 K × 8 bits
CPU functions
Number of instructions:
Instruction bit length:
Instruction length:
Data bit length:
Minimum execution time:
Interrupt processing time:
Note:
136
8 bits
1 to 3 bytes
1, 8, 16 bits
0.5 µs/8 MHz to 8.0 µs/8 MHz, 61 µs/32.768 kHz
4.5 µs/8 MHz to 72.0 µs/8 MHz, 562.5 µs/32.768 kHz
The above times change according to the gear function.
Ports
High-voltage output port
(P-ch open-drain):
Buzzer output
(P-ch open-drain, high-voltage):
Output ports (CMOS):
Input ports (CMOS):
I/O ports (CMOS):
I/O ports (N-ch open-drain):
Total:
8 (P60 to P67, for heavy current) 16 (P40 to P47, P50 to
P57 for low current)
1 (heavy current)
4 (P20 to P23)
2 (P70 and P71, function as X0A and XIA pins when
dual-clock system is used.)
23 (P00 to P07, P10 to P17, P30, and P32 to P37)
1 (P31)
55
Clock timer
21 bits × 1 (in main clock mode), 15 bits × 1 (at 32.768 kHz)
8-bit PWM timer
(timer 1)
8-bit timer operation
(toggled output capable, operating clock: 1, 2, 8, 16 system clock cycles)
8-bit resolution PWM operation
(conversion cycle: 128 µs to 2.0 ms at 8.0-MHz oscillation, and highest gear speed)
12-bit MPG
(timer 4)
12-bit resolution PWM operation (maximum conversion cycle of 2048.4 µs to 16.4 ms at
8.0 MHz-oscillation, and highest gear speed)
12-bit resolution reload timer operation (toggled output capable)
12-bit resolution PPG operation (minimum resolution of 0.5 µs at 8.0-MHz oscillation, and
highest gear speed)
8/16-bit timer
counter
(timer 2, 3)
8/16-bit timer operation (operating clock, internal clock, external trigger)
8/16-bit event counter operation (Rising edge/falling edge/both edges selectability)
(Continued)
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