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参数资料
| 型号： | MSM82C54-2 |
| 厂商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Programmable Universal Timers(可编程中断定时器,最高计数频率10MHz) |
| 中文描述： | 可编程通用定时器（可编程中断定时器，最高计数频率10MHz时） |
| 文件页数： | 9/23页 |
| 文件大小： | 162K |
| 代理商： | MSM82C54-2 |
9/23
Semiconductor
MSM82C54-2RS/GS/JS
Select Counter (SC0, SC1):
Selection of set counter
0
1
1
0
SC1
Set Contents
1
0
1
0
SC0
Counter #0 selection
Counter #1 selection
Counter #2 selection
Read Back Command
Read/Load (RL1, RL0):
Count value Reading/Loading format setting
0
1
1
0
RL1
Set Contents
1
0
1
0
RL0
Counter Latch Operation
Reading/Loading of Least Significant Byte (LSB)
Reading/Loading of Most Significant Byte (MSB)
Reading/Loading of LSB followed by MSB
Mode (M2, M1, M0):
Operation waveform mode setting
BCD:
Operation count mode setting
BCD
Binary Count (16-bit Binary)
BCD Count (4-decade Binary Coded Decimal)
After setting Read/Load, Mode and BCD in each counter as outlined above, next set the desired
count value. (In some Modes, the count value is set first. In next clock, loading is performed,
then counting starts.) This count value setting must conform with the Read/Load format set
in advance. Note that the internal counters are reset to 0000H during control word setting. The
counter value (0000H) can’t be read.
The program sequence of the MSM82C54-2 is flexible.
Free sequence programming is possible as long as the two following rules are observed:
(i) Write the control word before writing the initial count value in each counter.
(ii) Write the initial count value according to the count value read/write format specified by the
control word.
Note: Unlike the MSM82C53-2, the MSM82C54-2 allows count value setting for another
counter between LSB and MSB settings.
0
￥
￥
1
1
0
M2
Set Contents
0
1
1
0
0
0
M1
1
0
1
0
1
0
M0
Mode 0 (Interruput on Terminal Count)
Mode 1 (Programmable One-Shot)
Mode 2 (Rate Generator)
Mode 3 (Square Wave Generator)
Mode 4 (Software Triggered Strobe)
Mode 5 (Hardware Triggered Strobe)
￥
: denotes "not specified"
1
0
Set Contents
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PDF描述 |
|---|---|
| MSM82C55A_2 | Programmable Universal I/O Interface Device(可编程通用I/O接口器件) |
| MSM82C55A-2 | CMOS Programmable Peripheral Interface(CMOS 可编程外围接口) |
| MSM82C59A-2 | Programmable Universal Timers(可编程中断控制器,单片8中断控制,可级联成64中断控制) |
| MSM82C84A-2 | Clock Generator And Driver(时钟发生器驱动器,输出时钟频率2~8MHz) |
| MSM9888L | Flash-driving Recording and Playback IC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MSM82C54-2GS | 制造商:OKI 制造商全称:OKI electronic componets 功能描述:CMOS PROGRAMMABLE INTERVAL TIMER |
| MSM82C54-2J3 | 制造商:OKI Semiconductor 功能描述:CPU I/OS EOL311208 制造商:ROHM Semiconductor 功能描述: |
| MSM82C54-2JS | 制造商:ROHM Semiconductor 功能描述: |
| MSM82C54-2JSDR1 | 制造商:ROHM Semiconductor 功能描述: |
| MSM82C54-2R3 | 制造商:OKI Semiconductor 功能描述:PROG'ABLE PERIPHERAL INTERFACE EOL211209 |
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