參數(shù)資料
型號: MC9S12KT256VPV
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
封裝: LQFP-112
文件頁數(shù): 327/654頁
文件大小: 3576K
代理商: MC9S12KT256VPV
Chapter 11 Serial Communications Interface (S12SCIV2) Block Description
MC9S12KT256 Data Sheet, Rev. 1.16
Freescale Semiconductor
393
In Figure 11-16, a large burst of noise is perceived as the beginning of a start bit, although the test sample
at RT5 is high. The RT5 sample sets the noise ag. Although this is a worst-case misalignment of perceived
bit time, the data samples RT8, RT9, and RT10 are within the bit time and data recovery is successful.
Figure 11-16. Start Bit Search Example 3
Figure 11-17 shows the effect of noise early in the start bit time. Although this noise does not affect proper
synchronization with the start bit time, it does set the noise ag.
Figure 11-17. Start Bit Search Example 4
RESET RT CLOCK
RT1
RT2
RT3
RT4
RT5
RT6
RT7
RT8
RT9
RT10
RT13
RT12
RT11
RT16
RT15
RT14
RT4
RT3
RT2
RT1
RT5
RT6
RT7
RT8
RT9
SAMPLES
RT CLOCK
RT CLOCK COUNT
ACTUAL START BIT
Rx input Signal
10
1
11
0
LSB
0
PERCEIVED START BIT
RESET RT CLOCK
RT1
RT2
RT3
RT4
RT7
RT6
RT5
RT10
RT9
RT8
RT14
RT13
RT12
RT11
RT15
RT16
RT1
RT2
RT3
SAMPLES
RT CLOCK
RT CLOCK COUNT
PERCEIVED AND ACTUAL START BIT
Rx Input Signal
11
1
11
0
1
LSB
1
相關(guān)PDF資料
PDF描述
MC9S12KG256VFUE 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
MC9S12KG256MPV 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
MC9S12KT256VPVE 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
MC9S12KT256MPV 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
MC9S12KT256MFU 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9S12KT256VPVE 功能描述:IC MCU 256K FLASH 25MHZ 112-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:HCS12 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲器容量:8KB(8K x 8) 程序存儲器類型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱:864285
MC9S12NE64CPV 功能描述:16位微控制器 - MCU 16 Bit EMAC RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MC9S12NE64CPVE 功能描述:16位微控制器 - MCU 64K FLASH MANATEE EPP RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MC9S12NE64VTU 功能描述:16位微控制器 - MCU 16 Bit EMAC RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT
MC9S12NE64VTUE 功能描述:16位微控制器 - MCU MANATEE-EPP RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT