MB89537 View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB89537 Datasheet PDF : 65 Pages
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MB89530 Series
s PRODUCT LINEUP
Part number
Parameter
MB89537/
537C
MB89538/
538C
MB89F538L
MB89P538
MB89PV530
Type
Mass produced (Mask ROM)
FLASH
One-time
programmable
Evaluation
ROM capacity
32 K × 8-bit 48 K × 8-bit
(built-in ROM) (built-in ROM)
48 K × 8-bit
(built-in FLASH
memory)
(write from
general purpose
EPROM writer)
48 K × 8-bit
(built-in ROM)
(write from
general purpose
EPROM writer)
48 K × 8-bit
(external
ROM) *2
RAM capacity
1 K × 8-bit
2 K × 8-bit
Operating voltage
2.2 V to 3.6 V*1 (MB89537/538/
537C/538C)
2.4 V to 3.6 V*1
2.7 V to 5.5 V
CPU functions
Basic instructions
: 136
Instruction bit length
: 8-bits
Instruction length
: 1 bit to 3 bits
Data bit length
: 1, 8, 16-bits
Minimum instruction execution time : 0.32 µs / 12.5 MHz
Minimum interrupt processing time : 2.88 µs / 12.5 MHz
Ports
Input ports
: single-clock 5 (4 also usable as external interrupts)
dual-clock 3 (3 also usable as external interrupts)
Output-only ports (N-ch open drain)
: 8 (8 also usable as ADC input)
I/O ports (N-ch open drain) : 2 (2 also usable as SO2/SDA or SI2/SCL)
I/O ports (CMOS)
: 38 (21 have no other function)
(except for MB89F538L)
I/O ports (CMOS)
: 37 (21 have no other function)
(MB89F538L)
Total (except for MB89F538L) : single-clock 53, 2system clock 51
Total (MB89F538L)
: single-clock 52, 2system clock 50
21 bits
Time base timer Interrupt periods at main clock oscillation frequency of 12.5MHz
(approx. 0.655 ms, 2.621 ms, 20.97 ms, 335.5 ms)
Watchdog timer
Reset period of approx. 167.8 ms to 335.6 ms at mail clock frequency of 12.5 MHz
Reset period of approx. 500 ms to 1000 ms at sub clock frequency of 32.768 kHz.
PWM timer
8-bit interval timer operation
(supports square wave output, operating clock period : 1, 8, 16, 64 tinst*3)
Pulse width measurement with 8-bit resolution (conversion period : 28 tinst*3 to 28 × 64 tinst*3)
2 channels (can also be used as interval timer, can also be used as ch1 output and ch2
count clock)
Watch prescaler
Interval times at 17-bit sub clock base frequency of 32.768 kHz
(approx. 31.25 ms, 0.25 s, 0.50 s, 1.00 s, 2.00 s, 4.00 s)
(Continued)
4
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