![](http://datasheet.mmic.net.cn/330000/MB90F562_datasheet_16437954/MB90F562_5.png)
MB90560 series
iii
CONTENTS
CHAPTER 1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
OVERVIEW ....................................................................................................1
Features .................................................................................................................................................2
Product Lineup .......................................................................................................................................4
Block Diagram ........................................................................................................................................5
Pin Assignments .....................................................................................................................................6
Package Dimensions ............................................................................................................................10
Pin Functions ........................................................................................................................................14
I/O Circuit Types ...................................................................................................................................18
Notes on Handling Devices ..................................................................................................................20
CHAPTER 2
2.1
2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.6
2.7
2.7.1
2.7.2
2.7.3
2.7.4
2.7.5
2.7.6
2.7.7
2.7.8
2.7.9
2.8
2.9
2.9.1
2.9.2
2.9.3
2.9.4
CPU ..............................................................................................................23
CPU ......................................................................................................................................................24
Memory Space ......................................................................................................................................26
Memory Maps .......................................................................................................................................28
Addressing ............................................................................................................................................29
Linear addressing ...........................................................................................................................30
Bank addressing ..............................................................................................................................32
Memory Location of Multibyte Data ......................................................................................................34
Registers ...............................................................................................................................................36
Dedicated Registers .............................................................................................................................38
Accumulator (A) ...............................................................................................................................40
Stack Pointers (USP, SSP) .............................................................................................................44
Processor Status (PS) .....................................................................................................................46
Condition code register (PS: CCR) ..................................................................................................48
Register bank pointer (PS: RP) .......................................................................................................50
Interrupt level mask register (PS: ILM) ............................................................................................51
Program Counter (PC) .....................................................................................................................52
Direct Page Register (DPR) ............................................................................................................53
Bank Registers (PCB, DTB, USB, SSB, ADB) ................................................................................54
General-Purpose Registers ..................................................................................................................56
Prefix Codes .........................................................................................................................................58
Bank select prefix (PCB, DTB, ADB, SPB) ......................................................................................60
Common register bank prefix (CMR) ...............................................................................................62
Flag change suppression prefix (NCC) ...........................................................................................63
Restrictions on Prefix Codes ...........................................................................................................64
CHAPTER 3
3.1
3.2
3.3
3.4
3.5
3.6
RESETS .......................................................................................................67
Resets ..................................................................................................................................................68
Reset Causes and Oscillation Stabilization Wait Intervals ...................................................................70
External Reset Pin ................................................................................................................................72
Reset Operation ....................................................................................................................................74
Reset Cause Bits ..................................................................................................................................76
Status of Pins in a Reset ......................................................................................................................78