NEC PD78F9488 manuali

Nec PD78F9488 Manuale Utente (388 pagine)

Marchio: Nec | Categoria: Hardware | Dimensione: 3.61 MB |

Inglese

Indice

PD789489 Subseries

1

NOTES FOR CMOS DEVICES

3

M8E 02. 11-1

5

Regional Information

6

INTRODUCTION

8

User’s Manual U15331EJ4V1UD

10

LIST OF FIGURES (1/6)

17

LIST OF FIGURES (2/6)

18

LIST OF FIGURES (3/6)

19

LIST OF FIGURES (4/6)

20

LIST OF FIGURES (5/6)

21

LIST OF FIGURES (6/6)

22

LIST OF TABLES (1/3)

23

LIST OF TABLES (2/3)

24

LIST OF TABLES (3/3)

25

CHAPTER 1 GENERAL

26

1.1 Features

26

1.2 Applications

26

1.3 Ordering Information

27

1.5 78K/0S Series Lineup

31

DD Function

32

1.6 Block Diagram

34

DD = 2.7 to 5.5 V)

35

CHAPTER 2 PIN FUNCTIONS

37

2.1 List of Pin Functions

37

Keep short

44

Type 13-W Type 13-V

47

Type 17 Type 18

47

3.1 Memory Space

48

Figure 3-3. Memory Map (

50

PD789489)

50

Figure 3-4. Memory Map (

51

PD78F9489)

51

PD78F9488)

55

3.2 Processor Registers

58

00000000

69

11111110

69

Identifier Description

70

Instruction code 0 0001010

72

00100101

72

Register specification code

72

Instruction code 00101011

73

Instruction code 0 0 1 01101

74

00010000

74

Instruction code 10101010

74

CHAPTER 4 PORT FUNCTIONS

75

4.1 Port Functions

75

4.2 Port Configuration

76

P70 to P73

89

External

101

(n = 0 to 3, 5)

103

X/fXT clocks

106

X/2fXT clocks

106

X) is automatically secured

107

Selector

109

X = 5.0 MHz

111

X, CPU clock = fX)

119

Prescaler

124

CHAPTER 8 WATCH TIMER

161

8.1 Watch Timer Functions

161

XT, or fXT/2)

162

8.4 Watch Timer Operation

165

CHAPTER 9 WATCHDOG TIMER

167

WDCS2 WDCS1 WDCS0

168

Tap selector

174

Baud rate generator control

187

X = 5.0 MHz fX = 4.9152 MHz

195

ParityD7D6D2D1D0

206

TxD20 (output)

206

RxD20 (input)

207

ParityRxD20 pin

210

<3><1>

210

<2>

210

= 5.0 MHz, fSCK = 1.25 MHz)

233

Interval

240

SCK) determined by the CPU

249

SCK: Serial clock frequency

249

F: Frame frequency

259

LCD/-VLCD, is generated

263

LC0 4.5 V 3.0 V

266

LC1 3.0 V 2.0 V

266

CHAPTER 14 MULTIPLIER

267

14.1 Multiplier Function

267

Counter output

268

14.4 Multiplier Operation

270

PD789489, 78F9489 ONLY)

271

Input control

272

Register selection

272

Comparator

272

Data detection

272

PRS = fREM)

277

PRS = fREM/2)

277

REM Less than 1/fREM

287

REM Less than 2/fREM

287

REM Less than 4/fREM

287

Internal bus

293

Interrupt request

293

Vector table

293

Standby release signal

293

Instruction Instruction

302

CPU processing

302

Minimum Time Maximum Time

303

9 clocks 19 clocks

303

STOP mode release

308

X1 pin voltage

308

Oscillation

311

X) has elapsed (see

315

On Target Board

321

DD voltage generation/

323

Serial Interface Pins Used

324

UART RxD20, TxD20

324

A = −40 to +45°C 2

330

A = −40 to +80°C 3

330

A = −40 to +85°C 4

330

CHAPTER 20 MASK OPTIONS

331

21.1 Operation

332

21.2 Operation List

334

DD and AVDD

349

Cycle time T

352

KCY1/2–50

353

KCY1/2–150

353

/2–150 ns

355

INTP0 to INTP3

356

SIKm tKSIm

357

LC0 and VSS

359

LC1 and VSS

359

LC2 and VSS

359

A = –40 to +85°C)

359

(REFERENCE VALUES)

362

LCD output voltage [V]

363

80-PIN PLASTIC QFP (14x14)

364

• Support for PC98-NX Series

369

• Windows™

369

A.1 Software Package

371

A.3 Control Software

372

LC0, VLC1, and

385

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