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参数资料
| 型号： | MB91F267NAPMC-GSE1 |
| 厂商： | Fujitsu Semiconductor America Inc |
| 文件页数： | 18/53页 |
| 文件大小： | 0K |
| 描述： | IC MCU FLASH 128KB FLASH 64LQFP |
| 标准包装： | 1 |
| 系列： | FR MB91265A |
| 核心处理器： | FR60Lite RISC |
| 芯体尺寸： | 32-位 |
| 速度： | 33MHz |
| 连通性： | CAN，UART/USART |
| 外围设备： | DMA，WDT |
| 输入/输出数： | 49 |
| 程序存储器容量： | 128KB（128K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 4K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 4 V ~ 5.5 V |
| 数据转换器： | A/D 11x8/10b |
| 振荡器型： | 外部 |
| 工作温度： | -40°C ~ 105°C |
| 封装/外壳： | 64-LQFP |
| 包装： | 托盘 |
| 配用： | 865-1102-ND - BOARD EVAL RS232 100QFP |
| 其它名称： | 865-1091 |
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28
8183F–AVR–06/12
ATtiny24A/44A/84A
6.2.4
Low-Frequency Crystal Oscillator
To use a 32.768 kHz watch crystal as the clock source for the device, the Low-frequency Crystal
Oscillator must be selected by setting CKSEL fuses to ‘0110’. The crystal should be connected
as shown in Figure 6-3. To find suitable capacitors please consult the manufacturer’s datasheet.
For this oscillator start-up times can be set with the SUT fuses, as shown in Table 6-7.
Notes:
1. These options should be used only if frequency stability at start-up is not important.
The Low-frequency Crystal Oscillator provides an internal load capacitance, see Table 6-8 at
each TOSC pin.
6.2.5
Crystal Oscillator / Ceramic Resonator
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can be con-
figured for use as an On-chip Oscillator, as shown in Figure 6-3 Either a quartz crystal or a
ceramic resonator may be used.
Figure 6-3.
Crystal Oscillator Connections
C1 and C2 should always be equal for both crystals and resonators. The optimal value of the
capacitors depends on the crystal or resonator in use, the amount of stray capacitance, and the
electromagnetic noise of the environment. Some initial guidelines for choosing capacitors for
Table 6-7.
Start-up Times for the Low Frequency Crystal Oscillator Clock Selection
SUT[1:0]
Start-up Time
from Power Down
Additional Delay
from Reset
Recommended usage
00
1K CK(1)
4 ms
Fast rising power or BOD enabled
01
1K CK(1)
64 ms
Slowly rising power
10
32K CK
64 ms
Stable frequency at start-up
11
Reserved
Table 6-8.
Capacitance of Low-Frequency Crystal Oscillator
Device
32 kHz Osc. Type
Cap (Xtal1/Tosc1)
Cap (Xtal2/Tosc2)
ATtiny24A/44A/84A
System Osc.
16 pF
6 pF
XTAL2
XTAL1
GND
C2
C1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MB91F267NPMC-G | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GE1 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GS | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMC-GSE1 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontroller |
| MB91F267NPMCR-GE1 | 制造商:FUJITSU 功能描述: 制造商:FUJITSU 功能描述:MCU 32BIT FR 128K FLASH 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP 制造商:FUJITSU 功能描述:MCU, 32BIT, FR, 128K FLASH, 64LQFP, Controller Family/Series:FR60, Core Size:32b 制造商:FUJITSU 功能描述:IC, 32BIT MCU, FR60, 33MHZ, LQFP-64, Controller Family/Series:FR60, Core Size:32bit, No. of I/O's:48, Supply Voltage Min:4V, Supply Voltage Max:5.5V, Digital IC Case Style:LQFP, No. of Pins:64, Program Memory Size:128KB, MSL:- , RoHS Compliant: Yes |
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