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參數資料
型號: W78ERD2A40PN
廠商: WINBOND ELECTRONICS CORP
元件分類: 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, PQCC44
封裝: PLASTIC, LCC-44
文件頁數: 1/72頁
文件大小: 606K
代理商: W78ERD2A40PN
W78ERD2 Data Sheet
8-BIT MICROCONTROLLER
Publication Release Date: April 20, 2005
- 1 -
Revision A4
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 3
2.
FEATURES................................................................................................................................. 3
3.
PIN CONFIGURATIONS.............................................................................................................4
4.
PIN DESCRIPTION..................................................................................................................... 5
5.
BLOCK DIAGRAM ...................................................................................................................... 6
6.
FUNCTIONAL DESCRIPTION.................................................................................................... 7
6.1
RAM................................................................................................................................... 7
6.2
Timers 0, 1 and 2............................................................................................................... 7
6.3
Clock.................................................................................................................................. 8
6.4
Crystal Oscillator................................................................................................................ 8
6.5
External Clock.................................................................................................................... 8
6.6
Power Management........................................................................................................... 8
6.7
Reduce EMI Emission ....................................................................................................... 8
6.8
Reset.................................................................................................................................. 8
7.
SPECIAL FUNCTION REGISTER.............................................................................................. 9
8.
PORT 4 AND BASE ADDRESS REGISTERS.......................................................................... 33
9.
INTERRUPT.............................................................................................................................. 35
10.
ENHANCED FULL DUPLEX SERIAL PORT............................................................................ 36
10.1
MODE 0 ....................................................................................................................... 36
10.2
MODE 1 ....................................................................................................................... 37
10.3
MODE 2 ....................................................................................................................... 38
10.4
MODE 3 ....................................................................................................................... 39
10.5
Framing Error Detection............................................................................................... 41
10.6
Multiprocessor Communications.................................................................................. 41
11.
PROGRAMMABLE COUNTER ARRAY (PCA)........................................................................ 43
11.1
PCA Capture Mode...................................................................................................... 46
11.2
16-bit Software Timer Comparator Mode .................................................................... 46
11.3
High Speed Output Mode ............................................................................................ 47
11.4
Pulse Width Modulator Mode....................................................................................... 47
11.5
Watchdog Timer........................................................................................................... 48
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