W78E58B_06 Datasheet, PDF (1/36 Pages) Winbond – 8-BIT MICROCONTROLLER

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 RAM ....................................................................................................................................... 6
5.2 Timers 0, 1 and 2................................................................................................................... 6
5.3 Clock ...................................................................................................................................... 7
5.4 Crystal Oscillator.................................................................................................................... 7
5.5 External Clock........................................................................................................................ 7
5.6 Power Management............................................................................................................... 7
5.7 Reduce EMI Emission ........................................................................................................... 7
5.8 Reset...................................................................................................................................... 7
5.9 Port 4 ..................................................................................................................................... 9
5.10 INT2 / INT3 ............................................................................................................................ 9
5.11 Port 4 Base Address Registers ........................................................................................... 11
5.12 In-System Programming (ISP) Mode................................................................................... 13
5.13 In-System Programming Control Register (CHPCON) ....................................................... 15
5.14 F04KBOOT Mode (Boot From LDROM) ............................................................................. 15
6. SECURITY ...................................................................................................................................... 19
6.1 Lock Bit ................................................................................................................................ 19
6.2 MOVC Inhibit ....................................................................................................................... 19
6.3 Encryption ............................................................................................................................ 20
6.4 Oscillator Control ................................................................................................................. 20
7. ELECTRICAL CHARACTERISTICS............................................................................................... 21
7.1 Absolute Maximum Ratings................................................................................................. 21
7.2 D.C. Characteristics............................................................................................................. 21
7.3 A.C. Characteristics ............................................................................................................. 23
7.3.1 Clock Input Waveform...........................................................................................................23
7.3.2 Program Fetch Cycle ............................................................................................................23
7.3.3 Data Read Cycle...................................................................................................................24
7.3.4 Data Write Cycle ...................................................................................................................24
7.3.5 Port Access Cycle.................................................................................................................24
Publication Release Date: December 4, 2006
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Revision A8