W78E058B40DL 参数 Datasheet PDF下载

W78E58B/W78E058B Data Sheet

8-BIT MICROCONTROLLER

Table of Contents-

1. GENERAL DESCRIPTION ............................................................................................................... 3

2. FEATURES ....................................................................................................................................... 3

3. PIN CONFIGURATIONS .................................................................................................................. 4

4. PIN DESCRIPTION .......................................................................................................................... 5

5. FUNCTIONAL DESCRIPTION ......................................................................................................... 6

5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8

5.9

5.10

5.11

5.12

5.13

5.14

6.1

6.2

6.3

6.4

7.1

7.2

7.3

RAM ....................................................................................................................................... 6

Timers 0, 1 and 2................................................................................................................... 6

Clock ...................................................................................................................................... 7

Crystal Oscillator.................................................................................................................... 7

External Clock........................................................................................................................ 7

Power Management............................................................................................................... 7

Reduce EMI Emission ........................................................................................................... 7

Reset...................................................................................................................................... 7

Port 4 ..................................................................................................................................... 9

INT2

/

I

NT3

............................................................................................................................ 9

Port 4 Base Address Registers ........................................................................................... 11

In-System Programming (ISP) Mode................................................................................... 13

In-System Programming Control Register (CHPCON) ....................................................... 15

F04KBOOT Mode (Boot From LDROM) ............................................................................. 15

Lock Bit ................................................................................................................................ 19

MOVC Inhibit ....................................................................................................................... 19

Encryption ............................................................................................................................ 20

Oscillator Control ................................................................................................................. 20

Absolute Maximum Ratings................................................................................................. 21

D.C. Characteristics............................................................................................................. 21

A.C. Characteristics ............................................................................................................. 23

7.3.1

7.3.2

7.3.3

7.3.4

7.3.5

Clock Input Waveform...........................................................................................................23

Program Fetch Cycle ............................................................................................................23

Data Read Cycle...................................................................................................................24

Data Write Cycle ...................................................................................................................24

Port Access Cycle.................................................................................................................24

6. SECURITY ...................................................................................................................................... 19

7. ELECTRICAL CHARACTERISTICS............................................................................................... 21

-1-

Publication Release Date: December 4, 2006

Revision A8