upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 12
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
- Current page: 12 of 930
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Table of Contents
12
Chapter 7 Bus and Memory Control (BCU, MEMC)
Chapter 8 DMA Controller (DMAC)
6.2.1
6.2.2
6.4.1
6.4.2
6.4.3
6.4.4
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.3.1
7.3.2
7.5.1
7.5.2
7.5.3
7.6.1
7.6.2
7.6.3
7.6.4
7.7.1
7.7.2
7.8.1
7.8.2
6.2 Flash Self-Programming
6.3 Flash Programming via N-Wire
6.4 Flash Programming with Flash Programmer
7.1 Overview
7.2 Description
7.3 Registers
7.4 Page ROM Controller
7.5 Configuration of Memory Access
7.6 External Devices Interface Timing
7.7 Page ROM Access Timing
7.8 Data Access Order
8.1 Features
Flash self-programming registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Interrupt handling during flash self-programming . . . . . . . . . . . . . . . . . . . . 236
Programming environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Communication mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Pin connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Programming method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Memory banks and chip select signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Chips select priority control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Peripheral I/O area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
NPB access timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Bus properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Boundary operation conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
Initialization for access to external devices . . . . . . . . . . . . . . . . . . . . . . . . . 259
External bus mute function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
BCU registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Memory controller registers (µPD70F3427 only) . . . . . . . . . . . . . . . . . . . . 271
Endian format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Wait function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Idle state insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Writing to external devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Reading from external devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Read-write operation on external devices . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Write-read operation on external devices . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Half word/word access with 8-bit bus or word access with 16-bit bus . . . . 292
Byte access with 8-bit bus or byte/half word access with 16-bit bus. . . . . . 294
Access to 8-bit data busses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Access to 16-bit data busses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Preliminary User’s Manual U17566EE1V2UM00
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
. . . . . . . . . . . . . . . . . . . . . . . . . . . 237
. . . . . . . . . . . . . . . . . . . . . . . . . 282
. . . . . . . . . . . . . . . . . . . . . . . . 284
. . . . . . . . . . . . . . 238
. . . . . . . . . . . . 249
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