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參數(shù)資料
| 型號： | SAB80C535-16-N |
| 廠商： | SIEMENS A G |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS Single-Chip Microcontroller |
| 中文描述： | 8-BIT, 16 MHz, MICROCONTROLLER, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 24/56頁 |
| 文件大?。?/td> | 668K |
| 代理商： | SAB80C535-16-N |
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SAB 80C515/80C535
Semiconductor Group
23
Timer/Counters
The SAB 80C515 contains three 16-bit timers/counters which are useful in many applications
for timing and counting. The input clock for each timer/counter is 1/12 of the oscillator frequency
in the timer operation or can be taken from an external clock source for the counter operation
(maximum count rate is 1/24 of the oscillator frequency).
– Timer/Counter 0 and 1
These timers/counters can operate in four modes:
Mode 0: 8-bit timer/counter with 32:1 prescaler
Mode 1: 16-bit timer/counter
Mode 2: 8-bit timer/counter with 8-bit auto-reload
Mode 3: Timer/counter 0 is configured as one 8-bit timer/counter and one 8-bit timer;
Timer/counter 1 in this mode holds its count.
External inputs INT0 and INT1 can be programmed to function as a gate for
timer/counters 0 and 1 to facilitate pulse width measurements.
– Timer/Counter 2
Timer/counter 2 of the SAB 80C515 is a 16-bit timer/counter with several additional features. It
offers a 2:1 prescaler, a selectable gate function, and compare, capture and reload functions.
Corresponding to the 16-bit timer register there are four 16-bit capture/compare registers, one
of them can be used to perform a 16-bit reload on a timer overflow or external event. Each of
these registers corresponds to a pin of port 1 for capture input/compare output.
Figure 3 shows a block diagram of timer/counter 2.
Reload
A 16-bit reload can be performed with the 16-bit CRC register consisting of CRCL and CRCH.
There are two modes from which to select:
Mode 0: Reload is caused by a timer 2 overflow (auto-reload).
Mode 1: Reload is caused in response to a negative transition at pin T2EX (P1.5), which
can also request an interrupt.
Capture
This feature permits saving the actual timer/counter contents into a selected register
upon an external event or a software write operation. Two modes are provided to latch
the current 16-bit value in timer 2 registers TL2 and TH2 into a dedicated capture register:
Mode 0: Capture is performed in response to a transition at the corresponding port 1 pins
CC0 to CC3.
Mode 1: Write operation into the low-order byte of the dedicated capture register causes
the timer 2 contents to be latched into this register.
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| SAB80C535-20-N | 8-Bit CMOS Single-Chip Microcontroller |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| SAB80C53516N4085 | 制造商:Infineon Technologies AG 功能描述:MCU 8-Bit C500 8051 CISC ROMLess 5V 68-Pin PLCC |
| SAB80C53516N-DA | 制造商:Infineon Technologies AG 功能描述:NOTE: USE SABC515 |
| SAB80C535-16-NT40/85 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
| SAB80C535-20-N | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
| SAB80C535-M | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller |
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