w78e516b Winbond Electronics Corp America, w78e516b Datasheet

w78e516b

Manufacturer Part Number

w78e516b

Description

8-bit Microcontroller

Manufacturer

Winbond Electronics Corp America

Datasheet

1.W78E516B.pdf (37 pages)

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Table of Contents-

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

FEATURES ................................................................................................................................. 3

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

PIN DESCRIPTION..................................................................................................................... 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

SECURITY ................................................................................................................................ 20

6.1

6.2

6.3

6.4

ELECTRICAL CHARACTERISTICS......................................................................................... 22

7.1

7.2

7.3

TIMING WAVEFORMS ............................................................................................................. 26

8.1

8.2

8.3

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

Port 4 Base Address Registers .................................................................................... 12

In-System Programming (ISP) Mode............................................................................ 14

In-System Programming Control Register (CHPCON)................................................. 16

Lock Bit ......................................................................................................................... 20

MOVC Inhibit................................................................................................................. 20

Encryption ..................................................................................................................... 21

Oscillator Control .......................................................................................................... 21

Absolute Maximum Ratings .......................................................................................... 22

D.C. Characteristics...................................................................................................... 22

A.C. Characteristics ...................................................................................................... 24

Program Fetch Cycle .................................................................................................... 26

Data Read Cycle........................................................................................................... 26

Data Write Cycle ........................................................................................................... 27

INT2

INT3

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

8-BIT MICROCONTROLLER

- 1 -

W78E516B Data Sheet

Publication Release Date: April 22, 2008

Revision A12

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