MB8998X 데이터 시트보기 (PDF) - Fujitsu
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MB8998X Datasheet PDF : 52 Pages
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MB89980 Series
s PRODUCT LINEUP
Part number
Parameter
MB89983
MB89P985
MB89PV980
Classification
Mass production products
(mask ROM products)
One-time PROM product (OTP)
Piggyback/evaluation
product (for development)
ROM size
8 K x 8 bits
(internal mask ROM)
16K x 8 bits
(Internal PROM)
32K x 8 bits
(External ROM)
RAM size
256 × 8 bits
512 x 8 bits
CPU functions
Ports
Number of instructions:
Instruction bit length:
Instruction length:
Data bit length:
Minimum execution time:
Interrupt processing time:
General-purpose I/O ports (N-ch open-drain):
Output-only ports (N-ch open-drain):
General-purpose I/O ports (CMOS):
Input-only ports (CMOS)
Output-only ports (CMOS)
Total:
136
8 bits
1 to 3 bytes
1, 8,16 bits
0.95 µs/4.2 MHz
9 µs/4.2 MHz
8 (4 ports also serve as peripherals,
3 ports are heavy-current drive type.)
20 (4 ports also serve as A/D, 14 ports
serve as segment pins and 2 ports serve
as common pins, 10 ports are heavy-
current drive type .)
16 (12 ports also serve as an external
interrupt, )
2 (serve with sub-clock pins)
1 (serves as peripherials
47 (max.)
Timer/counter
8-bit timer operation (toggled output capable, operating clock cycle 1.9 µs to 486 µs)
16-bit timer operation (toggled output capable, operating clock cycle 1.9 µs to 486 µs)
LCD controller/driver
Common output:
Segment output:
Bias power supply pins:
LCD display RAM size:
Dividing resistor for LCD driving:
4 (max.)
14 (max.) *2
4
14 × 4 bits
Built-in (an external resistor
selectability)
A/D converter
8-bit resolution × 4 channels
A/D conversion mode (conversion time 43 µs/4.2 MHz (44 instruction cycles))
Sense mode (conversion time 11.9 µs/4.2 MHz)
Continuous activation by an internal timer capable
Reference voltage input
PWM timer 1,
PWM timer 2
8 bits × 2 channels
8-bit reload timer operation (toggled output capable, operating clock cycle: 0.95 µs to 124
ms)
8-bit resolution PWM operation (conversion cycle: 243 µs to 32 s)
(Continued)
2
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