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參數資料
型號: W921E843A
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 34/58頁
文件大小: 449K
代理商: W921E843A
W921E840A/W921C840
- 34 -
6.11.4 TM3
TM3 can perform the following functions:
1. 2 to19 order divider
2. Auto-reload timer
System
Clock
1/4
11-bit Prescaler
TM3 Control
Register
TM3 Interrupt
Logic
TM3 Control
Logic
Interrupt Control
Register
TM3 Set Register
(8 bits)
8 Order Divider
f
TM3
f
SYS
High Speed
Clock
TM3CR register: (address = 02FH, default data = 0H)
b3
b2
b1
b0
b1 b0
0
0
0
1
1
0
1
1
fsys/2 Hz
fsys/4 Hz
fsys/8 Hz
fsys/16 Hz
b3 b2
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
0
0
0
0
1
1
0
1
1
1
1
0
0
0
0
0
1
1
0
fsys/32 Hz
fsys/64 Hz
fsys/128 Hz
fsys/256 Hz
fsys/512 Hz
fsys/1024 Hz
fsys/2048 Hz
Input frequency (f )
The TM3 set register is divided into TM3 MSB data register (TM3MSB register, address = 030H,
default = 0FH) and TM3 LSB data register (TM3LSB register, address = 031H, default = 0FH).
The format of the status of TM3 register (STTM3) is described below:
STTM3 register: (address = 032H, default data = 0H)
b3
b2
b1
b0
0: TM3 stop
1: TM3 start
0: TM3 auto-reload disable
1: TM3 auto-reload enable
Reserved
Reserved
相關PDF資料
PDF描述
W921C880 4-Bit Microcontroller(4位微控制器)
W921E880A 4-Bit Microcontroller(4位微控制器)
W921E840 4-Bit Microcontroller(4位的微控制器)
W921E880 4-Bit Microcontroller(4位的微控制器)
W921F840 4-Bit Microcontroller(4位的微控制器)
相關代理商/技術參數
參數描述
W921E880 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W925C240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller
W925C625 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-bit CID MICROCONTROLLER
W925E240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller