w78e516b Winbond Electronics Corp America, w78e516b Datasheet
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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-
1.
2.
3.
4.
5.
6.
7.
8.
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