NEC mPD70F3107A Manuals

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NEC mPD70F3107A User Manual

NEC mPD70F3107A User Manual (567 pages)

32-Bit Single-Chip Microcontroller

Brand: NEC | Category: Microcontrollers | Size: 3.29 MB

Table of Contents

Table of Contents
12
Chapter 1 Introduction

27
- Outline
  27
- Features
  28
- Applications
  30
- Ordering Information
  30
- Pin Configuration (Top View)
  31
- Function Blocks
  35
- Internal Block Diagram
  35
- On-Chip Units
  36
- Differences Among Products
  38
Chapter 2 Pin Functions

39
Chapter 3 Cpu Function

65
- Features
  65
- CPU Register Set
  66
- Program Register Set
  67
- System Register Set
  68
- Operating Modes
  70
- Operating Mode Specification
  71
- Address Space
  72
- CPU Address Space
  72
- Image
  73
- Wrap-Around of CPU Address Space
  74
- Memory Map
  75
- Area
  77
- External Memory Expansion
  82
- Recommended Use of Address Space
  83
- Peripheral I/O Registers
  85
- Specific Registers
  94
- System Wait Control Register (VSWC)
  94
- Cautions
  94
Chapter 4 Bus Control Function

95
- Features
  95
- Bus Control Pins
  95
- Pin Status During Internal ROM, Internal RAM, and Peripheral I/O Access
  96
- Memory Block Function
  97
- Chip Select Control Function
  98
- Bus Cycle Type Control Function
  101
- Bus Cycle Type Configuration Registers 0, 1 (BCT0, BCT1)
  102
- Bus Access
  103
- Number of Access Clocks
  103
- Bus Sizing Function
  104
- Endian Control Function
  105
- Big Endian Method Usage Restrictions in NEC Development Tools
  106
- Bus Width
  108
- Wait Function
  119
- Programmable Wait Function
  119
- External Wait Function
  124
- Relationship between Programmable Wait and External Wait
  124
- Bus Cycles in Which Wait Function Is Valid
  125
- Idle State Insertion Function
  126
- Bus Hold Function
  127
- Function Outline
  127
- Bus Hold Procedure
  128
- Operation in Power-Save Mode
  128
- Bus Hold Timing (SRAM)
  129
- Bus Hold Timing (EDO DRAM)
  131
- Bus Hold Timing (SDRAM)
  135
- Bus Priority Order
  139
- Boundary Operation Conditions
  140
- Program Space
  140
- Data Space
  140
Chapter 5 Memory Access Control Function

141
- SRAM, External ROM, External I/O Interface
  141
- Features
  141
- SRAM Connection
  142
- SRAM, External ROM, External I/O Access
  144
- Page ROM Controller (ROMC)
  150
- Features
  150
- Page ROM Connection
  151
- On-Page/Off
  152
- Page ROM Configuration Register (PRC)
  154
- Page ROM Access
  155
- DRAM Controller (EDO DRAM)
  159
- Features
  159
- DRAM Connection
  160
- Address Multiplex Function
  161
- DRAM Configuration Registers 1, 3, 4, 6 (SCR1, SCR3, SCR4, SCR6)
  162
- DRAM Access
  165
- Refresh Control Function
  170
- Self-Refresh Control Function
  175
- DRAM Controller (SDRAM)
  177
- Features
  177
- SDRAM Connection
  177
- Address Multiplex Function
  178
- SDRAM Configuration Registers 1, 3, 4, 6 (SCR1, SCR3, SCR4, SCR6)
  180
- SDRAM Access
  182
- Refresh Control Function
  196
- Self-Refresh Control Function
  201
- SDRAM Initialization Sequence
  203
Chapter 6 Dma Functions (Dma Controller)

206
- Features
  206
- Configuration
  207
- Control Registers
  208
- DMA Source Address Registers 0 to 3 (DSA0 to DSA3)
  208
- DMA Destination Address Registers 0 to 3 (DDA0 to DDA3)
  210
- DMA Byte Count Registers 0 to 3 (DBC0 to DBC3)
  212
- DMA Addressing Control Registers 0 to 3 (DADC0 to DADC3)
  213
- DMA Channel Control Registers 0 to 3 (DCHC0 to DCHC3)
  215
- DMA Disable Status Register (DDIS)
  216
- DMA Restart Register (DRST)
  216
- DMA Terminal Count Output Control Register (DTOC)
  217
- DMA Trigger Factor Registers 0 to 3 (DTFR0 to DTFR3)
  218
- DMA Bus States
  221
- Types of Bus States
  221
- DMAC Bus Cycle State Transition
  223
- Transfer Modes
  224
- Single Transfer Mode
  224
- Single-Step Transfer Mode
  226
- Block Transfer Mode
  227
- Transfer Types
  228
- 2-Cycle Transfer
  228
- Flyby Transfer
  244
- Transfer Object
  255
- Transfer Type and Transfer Object
  255
- External Bus Cycles During DMA Transfer
  256
- DMA Channel Priorities
  256
- Next Address Setting Function
  257
- DMA Transfer Start Factors
  258
- Terminal Count Output Upon DMA Transfer End
  259
- Forcible Interruption
  259
- Forcible Termination
  260
- Times Related to DMA Transfer
  261
- Maximum Response Time for DMA Transfer Request
  261
- One-Time Transfer During Single Transfer Via DMARQ0 to DMARQ3 Signals
  262
- Cautions
  263
- Interrupt Factors
  263
- DMA Transfer End
  263
Chapter 7 Interrupt/Exception Processing Function

264
- Features
  264
- Non-Maskable Interrupts
  267
- Operation
  268
- Restore
  270
- Non-Maskable Interrupt Status Flag (NP)
  271
- Noise Elimination
  271
- Edge Detection Function
  271
- Maskable Interrupts
  272
- Operation
  272
- Restore
  274
- Priorities of Maskable Interrupts
  275
- Interrupt Control Register (Xxicn)
  279
- Interrupt Mask Registers 0 to 3 (IMR0 to IMR3)
  282
- In-Service Priority Register (ISPR)
  283
- Maskable Interrupt Status Flag (ID)
  283
- Noise Elimination
  284
- Interrupt Trigger Mode Selection
  284
- Software Exception
  288
- Operation
  288
- Restore
  289
- Exception Status Flag (EP)
  290
- Exception Trap
  291
- Illegal Opcode Definition
  291
- Debug Trap
  293
- Multiple Interrupt Servicing Control
  295
- Interrupt Latency Time
  297
- Periods in Which Interrupts Are Not Acknowledged
  298
Chapter 8 Prescaler Unit (Prs)

299
Chapter 9 Clock Generation Function

300
- Features
  300
- Configuration
  300
- Input Clock Selection
  301
- Direct Mode
  301

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