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参数资料
| 型号： | R5F2L3AACDFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件页数： | 72/74页 |
| 文件大小： | 959K |
| 代理商： | R5F2L3AACDFP |
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75
2588F–AVR–06/2013
ATtiny261/461/861
internal clock source, selected by the Clock Select bits (CS02:0). When no clock source is
selected (CS02:0 = 0) the timer is stopped. However, the TCNT0 value can be accessed by the
CPU, regardless of whether clk
T0 is present or not. A CPU write overrides (has priority over) all
counter clear or count operations. The Timer/Counter Overflow Flag (TOV0) is set when the
counter reaches the maximum value and it can be used for generating a CPU interrupt.
11.5
Input Capture Unit
The Timer/Counter incorporates an Input Capture unit that can capture external events and give
them a time-stamp indicating time of occurrence. The external signal indicating an event, or mul-
tiple events, can be applied via the ICP0 pin or alternatively, via the analog-comparator unit. The
time-stamps can then be used to calculate frequency, duty-cycle, and other features of the sig-
nal applied. Alternatively the time-stamps can be used for creating a log of the events.
The Input Capture unit is illustrated by the block diagram shown in Figure 11-4. The elements of
the block diagram that are not directly a part of the Input Capture unit are gray shaded.
Figure 11-4.
Input Capture Unit Block Diagram
The Output Compare Register OCR0A is a dual-purpose register that is also used as an 8-bit
Input Capture Register ICR0. In 16-bit Input Capture mode the Output Compare Register
OCR0B serves as the high byte of the Input Capture Register ICR0. In 8-bit Input Capture mode
the Output Compare Register OCR0B is free to be used as a normal Output Compare Register,
but in 16-bit Input Capture mode the Output Compare Unit cannot be used as there are no free
Output Compare Register(s). Even though the Input Capture register is called ICR0 in this sec-
tion, it is refering to the Output Compare Register(s).
When a change of the logic level (an event) occurs on the Input Capture pin (ICP0), alternatively
on the Analog Comparator output (ACO), and this change confirms to the setting of the edge
detector, a capture will be triggered. When a capture is triggered, the value of the counter
(TCNT0) is written to the Input Capture Register (ICR0). The Input Capture Flag (ICF0) is set at
ICF0 (Int.Req.)
Analog
Comparator
WRITE
ICR0 (16-bit Register)
OCR0B (8-bit)
Noise
Canceler
ICP0
Edge
Detector
TEMP (8-bit)
DATA BUS (8-bit)
OCR0A (8-bit)
TCNT0 (16-bit Counter)
TCNT0H (8-bit)
TCNT0L (8-bit)
ACIC0*
ICNC0
ICES0
ACO*
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R5F2L3AACDFP#U1 | 制造商:Renesas Electronics Corporation 功能描述: |
| R5F2L3AACDFP#V0 | 制造商:Renesas Electronics Corporation 功能描述:R8C/L3AC 96K+4K/10K 100LQFP14X14 -40-+85 - Trays |
| R5F2L3AACNFA#U0 | 制造商:Renesas Electronics Corporation 功能描述:R8CL3AC 96+4KB 1.8/5.5V -20 TO 85C 100QFP - Trays 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 96KB FLASH 100LQFP |
| R5F2L3AACNFP#30 | 制造商:Renesas Electronics Corporation 功能描述:IC MCU 16BIT 96KB FLASH 100LQFP 制造商:Renesas Electronics Corporation 功能描述:R8C Series 16 bit 10 kB RAM 96 kB Flash Single Chip Microcontroller SMT-LQFP-100 |
| R5F2L3AACNFP#V0 | 功能描述:MCU 1KB FLASH 96K ROM 100-LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/Lx/3AC 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
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