參數(shù)資料
型號(hào): W78ERD2A40FN
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁(yè)數(shù): 2/72頁(yè)
文件大小: 606K
代理商: W78ERD2A40FN
W78ERD2
- 2 -
12.
HARDWARE WATCHDOG TIMER (ONE-TIME ENABLED WITH RESET-OUT) ................... 48
12.1
Using the WDT............................................................................................................. 48
13.
DUAL DPTR.............................................................................................................................. 49
14.
IN-SYSTEM PROGRAMMING (ISP) MODE ............................................................................ 49
15.
H/W REBOOT MODE (BOOT FROM LDROM)........................................................................ 51
16.
OPTION BITS ........................................................................................................................... 56
17.
ELECTRICAL CHARACTERISTICS......................................................................................... 57
17.1
Absolute Maximum Ratings ......................................................................................... 57
17.2
D.C. Characteristics..................................................................................................... 57
17.3
A.C. Characteristics ..................................................................................................... 59
18.
TIMING WAVEFORMS............................................................................................................. 61
19.
TYPICAL APPLICATION CIRCUITS ........................................................................................ 63
19.1
External Program Memory and Crystal........................................................................ 63
19.2
Expanded External Data Memory and Oscillator......................................................... 64
20.
PACKAGE DIMENSIONS......................................................................................................... 65
21.
APPLICATION NOTE ...............................................................................................................67
21.1
In-system Programming Software Examples............................................................... 67
21.2
How to Use Programmable Counter Array .................................................................. 71
22.
VERSION HISTORY................................................................................................................. 72
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