![](http://datasheet.mmic.net.cn/330000/MB90487PFV_datasheet_16437531/MB90487PFV_2.png)
MB90480/485 Series
2
I
FEATURES
Clock
Minimum instruction execution time: 40.0 ns/6.25 MHz base frequency multiplied
×
4 (25 MHz nternal operating
frequency/3.3 V
±
0.3 V)
62.5 ns/4 MHz base frequency multiplied
×
4 (16 MHz internal operating
frequency/3.0 V
±
0.3 V) PLL clock multiplier
Maximum memory space: 16 Mbyte
Instruction set optimized for controller applications
Supported data types (bit, byte, word, or long word)
Typical addressing modes (23 types)
Enhanced signed multiplication/division instruction and RETI instruction functions
32-bit accumulator for enhanced high-precision calculation
Instruction set designed for high-level language (C) and multi-task operations
System stack pointer adopted
Instruction set compatibility 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 transmission function (
μ
DMA)
Up to 16 channels
Embedded ROM
Flash versions : 192 KB, 256 KB, MASK versions : 192 KB
Embedded RAM
Flash versions : 4 KB, 6 KB, 10 KB, MASK versions : 10 KB
General purpose ports
Up to 84 ports
(Except MB90V480 : Includes 16 ports with input pull-up resistance, 16 ports with output open drain settings)
A/D converter
8-channel RC sequential comparison type (10-bit resolution, 3.68
μ
s conversion time (at 25 MHz) )
I
2
C interface (MB90485 series only) : 1channel, P76/P77 Nch OD pin (without Pch)
Do not apply high voltage in excess of recommended operating ranges
to the Nch open drain pin (with Pch) in MB90V485.
μ
PG (MB90485 series only) : 1 channel
UART: 1 channel
I/O expanded 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 timer: 1 channel (with 8-bit
×
2 channel/16-bit
×
1-channel mode switching function)
PWC (MB90485 series only) : 3 channels (Capable of compare the inputs to two of the three)
3 V/5 V I/F pin (MB90485 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-channel input capture, 6-channel 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 source (some ports can be operated by 5 V power supply at MB90485 series)