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參數(shù)資料
| 型號(hào)： | SC28L92A1A,529 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 22/73頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART DUAL W/FIFO 44-PLCC |
| 產(chǎn)品培訓(xùn)模塊： | Stand-Alone UARTs |
| 標(biāo)準(zhǔn)包裝： | 26 |
| 系列： | IMPACT |
| 特點(diǎn)： | 故障啟動(dòng)位檢測 |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 16 字節(jié) |
| 電源電壓： | 3.3V，5V |
| 帶自動(dòng)流量控制功能： | 是 |
| 帶故障啟動(dòng)位檢測功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 44-PLCC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 828 (CN2011-ZH PDF) |
| 其它名稱： | 568-1188-5 935263293529 SC28L92A1A-S |
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29
2552K–AVR–04/11
ATmega329/3290/649/6490
Note:
1. These options should only be used when not operating close to the maximum frequency of the
device, and only if frequency stability at start-up is not important for the application. These
options are not suitable for crystals.
2. These options are intended for use with ceramic resonators and will ensure frequency stability
at start-up. They can also be used with crystals when not operating close to the maximum fre-
quency of the device, and if frequency stability at start-up is not important for the application.
8.4
Low-frequency Crystal Oscillator
To use a 32.768kHz watch crystal as the clock source for the device, the low-frequency crystal
Oscillator must be selected by setting the CKSEL Fuses to “0110” or “0111”. The crystal should
be connected as shown in Figure 8-2. When this Oscillator is selected, start-up times are deter-
mined by the SUT Fuses as shown in Table 8-5 and CKSEL1..0 as shown in Table 8-6.
Note:
1. This option should only be used if frequency stability at start-up is not important for the
application
8.5
Calibrated Internal RC Oscillator
The calibrated Internal RC Oscillator by default provides a 8.0MHz clock. The frequency is nom-
inal value at 3V and 25°C. The device is shipped with the CKDIV8 Fuse programmed. See
“System Clock Prescaler” on page 32 for more details.
011
1K CK(2)
14CK + 4.1ms
Ceramic resonator,
fast rising power
100
1K CK(2)
14CK + 65ms
Ceramic resonator,
slowly rising power
1
01
16K CK
14CK
Crystal Oscillator,
BOD enabled
1
10
16K CK
14CK + 4.1ms
Crystal Oscillator, fast
rising power
1
11
16K CK
14CK + 65ms
Crystal Oscillator,
slowly rising power
Table 8-4.
Start-up Times for the Crystal Oscillator Clock Selection (Continued)
CKSEL0
SUT1..0
Start-up Time from
Power-down and
Power-save
Additional Delay
from Reset
(V
CC = 5.0V)
Recommended
Usage
Table 8-5.
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
SUT1..0
Additional Delay from Reset (V
CC = 5.0V)
Recommended Usage
00
14CK
Fast rising power or BOD enabled
01
14CK + 4.1ms
Slowly rising power
10
14CK + 65ms
Stable frequency at start-up
11
Reserved
Table 8-6.
Start-up Times for the Low-frequency Crystal Oscillator Clock Selection
CKSEL3..0
Start-up Time from
Power-down and Power-save
Recommended Usage
0110(1)
1K CK
0111
32K CK
Stable frequency at start-up
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC28L92A1A-S | 功能描述:UART 接口集成電路 3V-5V 2CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC28L92A1A-T | 功能描述:UART 接口集成電路 3V-5V 2CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC28L92A1B | 功能描述:UART 接口集成電路 UART DUAL W/FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC28L92A1B,528 | 功能描述:UART 接口集成電路 3V-5V 2CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC28L92A1B,551 | 功能描述:UART 接口集成電路 IC UART DUAL W/FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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