MB89646 データシートの表示（PDF） - Fujitsu
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コンポーネント説明
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MB89646 Datasheet PDF : 59 Pages
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MB89640 Series
s PRODUCT LINEUP
Part number
Parameter
MB89643
MB89645
MB89646
MB89647
MB89P647 MB89PV640
Classification
Mass production products
(mask ROM products)
One-time
Piggyback/
evaluation product
PROM product for evaluation and
development
ROM size
8 K × 8 bits
(internal mask
ROM)
16 K × 8 bits
(internal mask
ROM)
24 K × 8 bits
(internal mask
ROM)
32 K × 8 bits
(internal mask
ROM)
32 K × 8 bits
(internal PROM,
programming with
general-purpose
programmer)
32 K × 8 bits
(external ROM)
RAM size
256 × 8 bits 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:
136
8 bits
1 to 3 bytes
1, 8, 16 bits
0.4 µs/10 MHz to 6.4 µs/10 MHz,
or 61.0 µs/32.768 kHz
3.6 µs/10 MHz to 57.6 µs/10 MHz,
or 562.5 µs/32.768 kHz
Ports
Input ports (CMOS):
Output ports (CMOS):
I/O ports (CMOS):
I/O ports (N-ch open-drain):
Output ports (N-ch open-drain):
Total:
9 (All also serve as a external interrupt.)
8 (All also serve as a bus control.)
24 (8 ports also serve as peripherals,
16 ports also serve as a bus control.)
8 (All also serve as peripherals.)
16 (8 ports also serve as peripherals.)
65
Clock timer
21 bits × 1 (in main clock mode), 15 bits × 1 (at 32.768 kHz)
8-bit PWM
timer
8-bit reload timer operation × 2 channels
7/8-bit resolution PWM operation × 2 channels
8-bit PPG operation × 1 channel
8-bit pulse
width counter
8-bit timer operation (overflow output capable)
8-bit reload timer operation (toggled output capable)
8-bit pulse width measurement operation
(Continuous measurement capable, measurement of “H” width/“L” width/from ↑ to ↓/from ↓ to ↑ capable)
16-bit timer/
counter
16-bit timer operation
16-bit event counter operation
8-bit serial I/O
8 bits × 2 channels
LSB first/MSB first selectability
One clock selectable from four transfer clocks
(one external shift clock, three internal shift clocks: 0.8 µs, 3.2 µs, 12.8 µs)
8-bit A/D
converter
8-bit resolution × 8 channels
A/D conversion mode (conversion time: 44 instructions)
Sense mode (conversion time: 12 instructions)
Continuous activation by an external activation or an internal timer capable
Reference voltage input
(Continued)
3
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