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W79E548 Datasheet(PDF) 1 Page - Winbond

Part # W79E548
Description  8-BIT MICROCONTROLLER
Download  79 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W79E548 Datasheet(HTML) 1 Page - Winbond

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W79E548/W79L548 Data Sheet
8-BIT MICROCONTROLLER
Publication Release Date: December 12, 2005
- 1 -
Revision A1
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 3
2.
FEATURES ................................................................................................................................. 3
3.
PIN CONFIGURATIONS ............................................................................................................ 4
4.
PIN DESCRIPTION..................................................................................................................... 5
5.
BLOCK DIAGRAM ...................................................................................................................... 7
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 8
7.
MEMORY ORGANIZATION ....................................................................................................... 9
8.
INSTRUCTION.......................................................................................................................... 28
8.1
Instruction Timing ......................................................................................................... 29
8.1.1
External Data Memory Access Timing............................................................................32
9.
POWER MANAGEMENT.......................................................................................................... 34
10.
INTERRUPTS ........................................................................................................................... 38
11.
PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 40
11.1
Timer/Counters 0 & 1.................................................................................................... 40
11.2
Timer/Counter 2 ............................................................................................................ 43
11.3
Pulse Width Modulated Outputs (PWM)....................................................................... 47
11.4
Watchdog Timer ........................................................................................................... 50
12.
SERIAL PORT .......................................................................................................................... 54
12.1
Framing Error Detection ............................................................................................... 59
12.2
Multiprocessor Communications .................................................................................. 59
13.
TIMED ACCESS PROTECTION .............................................................................................. 60
14.
H/W REBOOT MODE (BOOT FROM 4K BYTES OF LDFLASH) ............................................ 62
15.
IN-SYSTEM PROGRAMMING ................................................................................................. 63
15.1
The Loader Program Locates at LDFlash Memory ...................................................... 63
15.2
The Loader Program Locates at APFlash Memory ...................................................... 63
16.
H/W WRITER MODE ................................................................................................................ 63
17.
SECURITY BITS ....................................................................................................................... 64
18.
ELECTRICAL CHARACTERISTICS......................................................................................... 65
18.1
Absolute Maximum Ratings .......................................................................................... 65
18.2
DC Characteristics........................................................................................................ 65
18.3
A.C. Characteristics ...................................................................................................... 67


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