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W78E058B Datasheet

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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

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