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CHAPTER 1 OVERVIEW OF MB90480/485 SERIES
1.1
Features of MB90480/485 Series
MB90480/485 series is a 16-bit microcontroller designed for applications such as
consumer devices requiring high-speed real-time processing.
■
MB90480/485 series features
The MB90480/485 series has the following features:
❍
Minimum instruction execution time
•
40.0 ns/6.25 MHz oscillation multiplied by 4 (25 MHz/3.3 V
±
0.3 V for internal operation)
•
62.5 ns/4 MHz oscillation multiplied by 4 (16 MHz/3.0 V
±
0.3 V for internal operation)
•
PLL clock multiply system
❍
Maximum memory space: 16 Mbytes
❍
Instruction system optimized for control applications
•
Available data types: bit, byte, word, long word
•
Standard addressing modes: 23 types
•
Improved high-precision operation using a 32-bit accumulator
•
Signed multiply and divide operations, extensive RETI instruction
❍
Instruction system supporting multitasking in high-level languages (such as C)
•
Use of a system stack pointer
•
Symmetry of instruction sets and barrel shift instructions
❍
Nonmultiplex bus and multiplex bus support
❍
Improved execution speed: 4-byte queue
❍
Improved interrupt function (priority is a programmable setting of up to 8 levels):
8 external interrupts
❍
Data transfer function (
μ
DMAC): maximum of 16 channels
❍
Built-in ROM: Flash version: 192 K bytes/256 K bytes/384K bytes,
Mask version: 192 K bytes/256K bytes
❍
Built-in RAM: Flash version: 4 K bytes/6 K bytes/10 K bytes/24K bytes,
Mask version: 10 K bytes/16K bytes
❍
General-purpose ports: maximum of 84 ports
(Input pull-up resistor settings available: 16 ports)
(Output open-drain settings available: 16 ports)
Summary of Contents for MB90480 Series
Page 2: ......
Page 4: ......
Page 10: ...vi ...
Page 128: ...106 CHAPTER 4 RESET ...
Page 174: ...152 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Page 198: ...176 CHAPTER 7 MODE SETTING ...
Page 220: ...198 CHAPTER 9 TIMEBASE TIMER ...
Page 238: ...216 CHAPTER 11 WATCH TIMER ...
Page 280: ...258 CHAPTER 12 16 BIT INPUT OUTPUT TIMER ...
Page 406: ...384 CHAPTER 17 8 10 BIT A D CONVERTER ...
Page 478: ...456 CHAPTER 20 CHIP SELECTION FACILITY ...
Page 494: ...472 CHAPTER 21 ADDRESS MATCH DETECTION FUNCTION ...
Page 498: ...476 CHAPTER 22 ROM MIRROR FUNCTION SELECTION MODULE ...
Page 526: ...504 CHAPTER 23 2M 3M BIT FLASH MEMORY ...
Page 536: ...514 CHAPTER 24 EXAMPLES OF MB90F481B MB90F482B MB90F488B MB90F489B SERIAL PROGRAMMING ...
Page 570: ...548 CHAPTER 25 PWC TIMER ONLY MB90485 SERIES ...
Page 688: ......