參數(shù)資料
型號: ML610Q412P-XXXWA
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, UUC95
封裝: 2.83 MM X 2.63 MM, 0.35 MM HEIGHT, 0.80 MM PITCH, DIE-95
文件頁數(shù): 27/152頁
文件大?。?/td> 1641K
代理商: ML610Q412P-XXXWA
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 9
1 kHz Timer (1kHzTM)
9 – 1
9.
1 kHz Timer (1kHzTM)
9.1
Overview
This LSI includes a 1 kHz timer to measure 1/1000 seconds.
The 1 kHz timer counts the 1 kHz(*) signal created by dividing the T2KHZ output frequency (*) of the low-speed time
base counter (LTBC) and generates a 10 Hz or 1 Hz interrupt (1 kHz timer interrupt).
With the 1 kHz timer, 1/1000 second, which is difficult to generate on a time-base-counter basis, represented by a
decimal number can be obtained easily.
The timer can be applied to period measurement for stopwatches.
For the timer base counter, see Chapter 7, “Time Base Counter”.
(*) ML610Q411/Q412: T2KHZ=2.048kHz, 1kHz: 1.024kHz
ML610Q415: T2KHZ=1.953kHz, 1kHz: 0.977kHz
9.1.1
Features
10 Hz/1 Hz interrupt select function
9.1.2
Configuration
Figure 9-1 shows the configuration of the 1 kHz timer.
T1KCON
: 1 kHz timer control register
T1KCRL
: 1 kHz timer count register L
T1KCRH
: 1 kHz timer count register H
Figure 9-1
Configuration of 1 kHz Timer
Binary/ternary
counter
Write T1KCRH
Write T1KCRL
Data bus
T1KINT
T1KCON
T2KHZ
T1KCRL
Decimal
×1 digit
Interrupt control
R
10 Hz
1 kHz signal
1 Hz
R
T1KCRH
Decimal
×2 digits
R
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