參數資料
型號: MC68HC11A0CFN2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Single-Chip Microcontroller
中文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC52
封裝: PLASTIC, LCC-52
文件頁數: 48/158頁
文件大?。?/td> 776K
代理商: MC68HC11A0CFN2
MOTOROLA
5-4
SERIAL COMMUNICATIONS INTERFACE
MC68HC11A8
TECHNICAL DATA
5
Figure 5-3 Examples of Start Bit Sampling Techniques
Figure 5-4 SCI Artificial Start Following a Framing Error
Figure 5-5 SCI Start Bit Following a Break
16X INTERNAL
SAMPLING CLOCK
SCI SAMPLE EX
PERCEIVED
START BIT
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
R
T
2
R
T
3
R
T
4
R
T
5
R
T
6
R
T
7
R
T
8
R
T
IDLE
RxD
0
0
1
0
1
1
1
1
1
1
1
1
1
1
IDLE
RxD
0
0
0
0
0
1
1
1
1
1
1
1
1
1
IDLE
RxD
NOISE
NOISE
START EDGE
VERIFICATION SAMPLES
PERCEIVED
START BIT
SCI FRM ERR EX
START
BIT
RECEIVE
DATA IN
EXPECTED
STOP BIT
ARTIFICIAL
EDGE
DATA
DATA
DATA
SAMPLES
(a) Case 1, Receive Line Low During Artificial Edge
START
BIT
RECEIVE
DATA IN
EXPECTED
STOP BIT
START
EDGE
DATA
DATA
DATA
SAMPLES
(b) Case 2, Receive Line High During Expected Start Edge
SCI FRM ERR EX
START
BIT
RECEIVE
DATA IN
DETECTED AS VALID
START EDGE
BREAK
DATA
SAMPLES
EXPECTED
STOP BIT
START
QUALIFIERS
START EDGE
VERIFICATION
SAMPLES
相關PDF資料
PDF描述
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相關代理商/技術參數
參數描述
MC68HC11A0CFN3 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC68HC11A0CFN3R2 制造商:Rochester Electronics LLC 功能描述:
MC68HC11A0CFN4 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ROM-based high-performance microcontrollers
MC68HC11A0CFNE3 功能描述:8位微控制器 -MCU 8B MCU 768RAM A/D 3MH RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68HC11A0CFNE3 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC