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MB90480B Datasheet, PDF (4/124 Pages) Fujitsu Component Limited. – 16-bit Microcontroller
MB90480B/485B Series
• MB90485B series
Item
Part number
MB90487B MB90488B MB90F488B MB90V485B MB90F489B MB90483C
Classification
MASK ROM product
Flash
memory
product
Evaluation
product
Flash
memory
product
MASK ROM
product
ROM size
192 Kbytes 256 Kbytes 256 Kbytes
⎯
384 Kbytes 256 Kbytes
RAM size
10 Kbytes 10 Kbytes 10 Kbytes 16 Kbytes 24 Kbytes 16 Kbytes
CPU function
Number of instructions : 351
Instruction bit length : 8-bit, 16-bit
Instruction length
: 1 byte to 7 bytes
Data bit length
: 1-bit, 8-bit, 16-bit
Minimum instruction execution time : 40 ns (25 MHz machine clock)
Ports
General-purpose I/O ports : up to 84
General-purpose I/O ports (CMOS output)
General-purpose I/O ports (with pull-up resistance)
General-purpose I/O ports (N-ch open drain output)
UART
1 channel, start-stop synchronized
8/16-bit PPG
8-bit × 6 channels/16-bit × 3 channels
8/16-bit up/down
counter/timer
Event input pins : 6, 8-bit up/down counters : 2
8-bit reload/compare registers : 2
16-bit
Number of channels : 1
free-run timer Overflow interrupt
16-bit
I/O
timers
Output
compare
(OCU)
Number of channels : 6
Pin input factor: A match signal of compare register
Input capture Number of channels : 2
(ICU)
Rewriting a register value upon a pin input (rising, falling, or both edges)
DTP/external interrupt
circuit
Number of external interrupt pin channels: 8 (edge or level detection)
Extended I/O serial
interface
Embedded 2 channels
I2C interface*2
1 channel
μPG
1 channel
PWC
3 channels
Timebase timer
18-bit counter
Interrupt cycles : 1.0 ms, 4.1 ms, 16.4 ms, 131.1 ms (at 4 MHz base oscillator)
A/D converter
Conversion resolution : 8/10-bit, switchable
One-shot conversion mode (converts selected channel 1 time only)
Scan conversion mode (conversion of multiple consecutive channels,
programmable up to 8 channels)
Continuous conversion mode (repeated conversion of selected channels)
Stop conversion mode (conversion of selected channels with repeated pause)
(Continued)
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