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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: 35/58頁
文件大小: 449K
代理商: W921E843A
W921E840A/W921C840
Publication Release Date: July 1999
- 35 - Revision A3
6.11.5 Arbitrary Waveform Generator
The TM1 and TM2 have the arbitrary waveform generator circuit. Both have the same function as the
following description.
Type 0:
256T
NT
NT
T
Type 1:
N = 0 will keep the waveform in the high state
N = 1 will keep the waveform in the low state
Note: N is the value stored in the TM1 Set Reg. (TM1MSB, TM1LSB) or TM2 Set Reg. (TM2MSB, TM2LSB)
6.12 Interrupt
There
W921E840A/W921C840. All the pins of external sourcesINT0 (P4.3) and port P4 (P4.0 to P4.2)are
falling edge active. The priority of those interrupts is INT0 > TM0 > TM1 > TM2 > ( Comparator / TM3
) > P4.0 to P4.2 > SERIAL.
are
ten
interrupt
sources
(four
external
and
six
internal
sources)
in
the
6.12.1 Interrupt Control Register
Which interrupt is enabled is controlled by the interrupt control register1 to 3 (INTCT1 to INTCT3).
The formats are shown below:
INTCT1 register: (address = 039H, default data = 0H)
b3
b2
b1
b0
0: TM0 interrupt disable
1: TM0 interrupt enable
0: TM1 interrupt disable
1: TM1 interrupt enable
0: TM2 interrupt disable
1: TM2 interrupt enable
0: TM3 interrupt disable
1: TM3 interrupt enable
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