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參數(shù)資料
| 型號： | ATAM893T-TKSYD |
| 廠商： | Atmel |
| 文件頁數(shù)： | 44/98頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU FLASH 4K MTP 20SSOP |
| 標(biāo)準(zhǔn)包裝： | 830 |
| 系列： | MARC4 |
| 核心處理器： | MARC4 |
| 芯體尺寸： | 4-位 |
| 速度： | 4MHz |
| 連通性： | SSI（2 線，3 線） |
| 外圍設(shè)備： | 欠壓檢測/復(fù)位，POR，PWM，WDT |
| 輸入/輸出數(shù)： | 16 |
| 程序存儲器容量： | 4KB（4K x 8） |
| 程序存儲器類型： | EEPROM |
| EEPROM 大?。?/td> | 64 x 16 |
| RAM 容量： | 256 x 4 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 6.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 125°C |
| 封裝/外殼： | 20-SOIC（0.209"，5.30mm 寬） |
| 包裝： | 管件 |
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49
4680C–4BMCU–01/05
ATAM893-D
Most of the timer modes use their compare registers alternately. After the start has been acti-
vated, the first comparison is carried out via the compare register 1, the second is carried out via
the compare register 2, the third is carried out again via the compare register 1 and so on. This
makes it easy to generate signals with constant periods and variable duty cycle or to generate
signals with variable pulse and space widths.
If single-action mode is set for one compare register, the comparison is always carried out after
the first cycle via the other compare register.
The counter can be started and stopped via the control register T3C. This register also controls
the initial level of the output before start. T3C contains the interrupt mask for a T3I input
interrupt.
Via the Timer 3 clock-select register, the internal or external clock source can be selected. This
register selects also the active edge of the external input. An edge at the external input T3I can
generate also an interrupt if the T3EIM bit is set and the Timer 3 is stopped (T3R = 0) in the T3C
register.
The status of the timer as well as the occurrence of a compare match or an edge detect of the
input signal is indicated by the status register T2ST. This allows identification of the interrupt
source because all these events share only one timer interrupt.
Timer 3 compares data values.
The Timer 3 has two 8-bit compare registers (T3CO1, T3CO2). The compare data value can be
‘m’ for each of the Timer 3 compare registers.
The compare data value for the compare registers is:
m = x +1
0
≤x ≤255
Timer 3 – Mode 1: Timer/Counter
The selected clock from an internal or external source increments the 8-bit counter. In this mode,
the timer can be used as event counter for external clocks at T3I or as timer for generating inter-
rupts and pulses at T3O. The counter value can be read by the software via the capture register.
Figure 5-26. Counter Reset with Each Compare Match
0
00012
3
5
1234
0
01
23
1
2
T3R
Counter 3
CM31
INT5
T3O
3
CM32
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATAM893X-TKHYZ | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892 |
| ATAM893X-TKQYZ | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892 |
| ATAM893X-TKSYZ | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Flash Version for ATAR080, ATAR090/890 and ATAR092/892 |
| ATAM894 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8k-flash Microcontroller |
| ATAM894P | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MARC4 4-bit Microcontrollers |
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