參數(shù)資料
型號(hào): MR80C52EXXX-12:RD
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12 MHz, MICROCONTROLLER, CQCC44
封裝: LCC-44
文件頁(yè)數(shù): 9/46頁(yè)
文件大?。?/td> 7004K
141
7593L–AVR–09/12
AT90USB64/128
15.10.7
TCNT1H and TCNT1L – Timer/Counter1
15.10.8
TCNT3H and TCNT3L – Timer/Counter3
The two Timer/Counter I/O locations (TCNTnH and TCNTnL, combined TCNTn) give direct
access, both for read and for write operations, to the Timer/Counter unit 16-bit counter. To
ensure that both the high and low bytes are read and written simultaneously when the CPU
accesses these registers, the access is performed using an 8-bit temporary High Byte Register
(TEMP). This temporary register is shared by all the other 16-bit registers. See “Accessing 16-bit
Modifying the counter (TCNTn) while the counter is running introduces a risk of missing a com-
pare match between TCNTn and one of the OCRnx Registers.
Writing to the TCNTn Register blocks (removes) the compare match on the following timer clock
for all compare units.
15.10.9
OCR1AH and OCR1AL – Output Compare Register 1 A
15.10.10 OCR1BH and OCR1BL – Output Compare Register 1 B
15.10.11 OCR1CH and OCR1CL – Output Compare Register 1 C
Bit
7
65
43
21
0
TCNT1[15:8]
TCNT1H
TCNT1[7:0]
TCNT1L
Read/write
R/W
Initial value
00
Bit
7
65
43
21
0
TCNT3[15:8]
TCNT3H
TCNT3[7:0]
TCNT3L
Read/write
R/W
Initial value
00
Bit
7
65
43
21
0
OCR1A[15:8]
OCR1AH
OCR1A[7:0]
OCR1AL
Read/write
R/W
Initial value
00
Bit
7
65
43
21
0
OCR1B[15:8]
OCR1BH
OCR1B[7:0]
OCR1BL
Read/write
R/W
Initial value
00
Bit
7
65
43
21
0
OCR1C[15:8]
OCR1CH
OCR1C[7:0]
OCR1CL
Read/write
R/W
Initial value
00
相關(guān)PDF資料
PDF描述
MQ80C52CXXX-30/883:R 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQFP44
S80C52EXXX-25:R 8-BIT, MROM, 25 MHz, MICROCONTROLLER, PQCC44
S80C52XXX-36SHXXX:R 8-BIT, MROM, 36 MHz, MICROCONTROLLER, PQCC44
MS80C51T-16D 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44
MF280C51C-12D 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C86 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86/B 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述:Microprocessor, 16 Bit, 44 Pin, Ceramic, LCC
MR80C86-2 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:CMOS 16-Bit Microprocessor
MR80C86-2/883 制造商:Rochester Electronics LLC 功能描述:- Bulk
MR80C86-2/B 制造商:Intersil Corporation 功能描述:MPU 80C86 16BIT CMOS 8MHZ 44PLCC - Rail/Tube