MB90520B(2008) データシートの表示（PDF） - Fujitsu
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MB90520B Datasheet PDF : 104 Pages
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MB90520B Series
■ PRODUCT LINEUP
Part Number
Parameter
MB90522B
MB90523B
MB90F523B
MB90V520A
Classification
ROM size
Mask ROM
64 Kbytes
128 Kbytes
Flash ROM
128 Kbytes
Evaluation product
⎯
RAM size
4 Kbytes
6 Kbytes
Separate emulator
power supply*1
⎯
No
Process
CMOS
Operating power
supply voltage*2
2.7 V to 5.5 V
3.0 V to 5.5 V
Internal regulator circuit
not mounted
mounted
CPU functions
Number of instructions : 340
Instruction sizes : 8-bit, 16-bit
Instruction length : 1 byte to 7 bytes
Data sizes : 1-bit, 8-bit, 16-bit
Minimum instruction execution time : 62.5 ns (for a 16 MHz machine clock)
Interrupt processing time : 1.5 µs min. (for a 16 MHz machine clock)
Low power operation Sleep mode, clock mode, pseudo-clock mode, stop mode, hardware standby mode, and
(standby modes)
CPU intermittent operation mode
I/O ports
General-purpose I/O ports (CMOS outputs) : 53
General-purpose I/O ports (inputs with pull-up resistors) : 24
General-purpose I/O ports (N-ch open drain outputs) : 8
Total : 85
Timebase timer
18-bit counter
Interrupt interval : 1.024 ms, 4.096 ms, 16.384 ms, 131.072 ms
(for a 4 MHz base oscillation)
Watchdog timer
Reset trigger period
• For a 4 MHz base oscillation : 3.58, 14.33, 57.23, 458.75 ms
• For 32.768 sub-clock operation : 0.438, 3.500, 7.000, 14.000 s
16-bit
freerun
timer
Number of channels : 2
Generates an interrupt on overflow
16-bit
I/O
timers
16-bit
output
compare
Number of channels : 8
Pin change timing : Free run timer register value equals output compare register value.
16-bit
input
capture
Number of channels : 2
Saves the value of the freerun timer register when a pin input occurs (rising edge, falling
edge, either edge) .
16-bit reload timer
Number of channels : 2
Count clock frequency : 0.125, 0.5, or 2.0 µs for a 16 MHz machine clock
Can be used to count an external event clock.
(Continued)
4
DS07-13707-5E
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