MB90480B/485B Series
2
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Instruction set optimized for controller applications
Supported data types (bit, byte, word, or long word)
Typical addressing modes (23 types)
32-bit accumulator for enhanced high-precision calculation
Enhanced signed multiplication/division instruction and RETI instruction functions
Instruction set designed for high-level programming language (C) and multi-task operations
System stack pointer adopted
Instruction set symmetry and barrel shift instructions
Non-multiplex bus/multiplex bus compatible
Enhanced execution speed
4-byte instruction queue
Enhanced interrupt functions
8 levels setting with programmable priority, 8 external interrupts
Data transfer function (
DMAC)
Up to 16 channels
Embedded ROM
Flash versions : 192 Kbytes, 256 Kbytes, 384 Kbytes, MASK versions : 192 Kbytes, 256 Kbytes
Embedded RAM
Flash versions : 4 Kbytes, 6 Kbytes, 10 Kbytes, 24 Kbytes, MASK versions : 10 Kbytes, 16 Kbytes
General purpose ports
Up to 84 ports
(Includes 16 ports with input pull-up resistance settings, 16 ports with output open-drain settings)
A/D converter
8-channel RC sequential comparison type (10-bit resolution, 3.68
s conversion time (at 25 MHz) )
I2C interface (MB90485B series only) : 1channel, P76/P77 N-ch open drain pin (without P-ch)
Do not apply high voltage in excess of recommended operating ranges
to the N-ch open drain pin (with P-ch) in MB90V485B.
PG (MB90485B series only) : 1 channel
UART : 1 channel
Extended I/O serial interface (SIO) : 2 channels
8/16-bit PPG : 3 channels (with 8-bit
× 6 channel/16-bit × 3 channel mode switching function)
8/16-bit up/down counter/timer: 1 channel (with 8-bit
× 2 channels/16-bit × 1-channel mode switching function)
PWC (MB90485B series only) : 3 channels (Capable of compare the inputs to two of the three)
3 V/5 V I/F pin (MB90485B series only)
P20 to P27, P30 to P37, P40 to P47, P70 to P77
16-bit reload timer : 1 channel
16-bit I/O timer : 2 channels input capture, 6 channels output compare, 1 channel free-run timer
On chip dual clock generator system
Low-power consumption mode
With stop mode, sleep mode, CPU intermittent operation mode, watch mode, timebase timer mode
Packages : QFP 100/LQFP 100
Process : CMOS technology
Power supply voltage : 3 V, single power supply (some ports can be operated by 5 V power supply at MB90485B
series)