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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： | 20/74页 |
| 文件大小： | 959K |
| 代理商： | R5F2L3AACDFP |
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28
2588F–AVR–06/2013
ATtiny261/461/861
When the PLL output is selected as clock source, the start-up times are determined by SUT fuse
bits as shown in Table 6-5.
6.2.3
Calibrated Internal 8 MHz Oscillator
By default, the Internal Oscillator provides an approximately 8 MHz clock signal. Though voltage
and temperature dependent, this clock can be very accurately calibrated by the user. See Table
19-2 on page 189 and “Internal Oscillator Speed” on page 216 for more details. The device is
shipped with the CKDIV8 Fuse programmed. See “System Clock Prescaler” on page 31 for
more details.
This clock may be selected as the system clock by programming the CKSEL Fuses as shown in
Table 6-6. If selected, it will operate with no external components. During reset, hardware loads
the pre-programmed calibration value into the OSCCAL Register and thereby automatically cal-
ibrates the RC Oscillator. The accuracy of this calibration is shown as Factory calibration in
Notes:
1. The device is shipped with this option selected.
2. If the oscillator frequency exceeds the specification of the device (depends on VCC), the
CKDIV8 Fuse can be programmed to divide the internal frequency by 8.
When this oscillator is selected, start-up times are determined by SUT fuses as shown in Table
6-7.
Note:
1. If the RSTDISBL fuse is programmed, this start-up time will be increased to 14CK + 4 ms to
ensure programming mode can be entered.
2. The device is shipped with this option selected.
Table 6-5.
Start-up Times for the PLLCK
SUT1:0
Start-up Time from
Power Down
Additional Delay from
Power-On-Reset (V
CC = 5.0V)
Recommended
usage
00
14CK + 1K (1024) + 4 ms
4 ms
BOD enabled
01
14CK + 16K (16384) + 4 ms
4 ms
Fast rising power
10
14CK + 1K (1024) + 64 ms
4 ms
Slowly rising power
11
14CK + 16K (16384) + 64 ms
4 ms
Slowly rising power
Table 6-6.
Internal Calibrated RC Oscillator Operating Modes
CKSEL3:0
Nominal Frequency
0010
8.0 MHz
Table 6-7.
Start-up Times for the Internal Calibrated RC Oscillator Clock Selection
SUT1:0
Start-up Time
from Power-down
Additional Delay from
Reset (VCC = 5.0V)
Recommended
Usage
00
6 CK
14CK(1)
BOD enabled
01
6 CK
14CK + 4 ms
Fast rising power
6 CK
14CK + 64 ms
Slowly rising power
11
Reserved
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相关代理商/技术参数 |
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|---|---|
| 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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