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| 型號(hào)： | MC9S08RC8CFJ |
| 廠商： | MOTOROLA INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | LQFP-32 |
| 文件頁(yè)數(shù)： | 65/232頁(yè) |
| 文件大小： | 2818K |
| 代理商： | MC9S08RC8CFJ |
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SoC Guide — MC9S08RG60/D V1.08
MOTOROLA
157
MC9S08RC/RD/RE/RG
TDRE — Transmit Data Register Empty Flag
TDRE is set out of reset and when a transmit data value transfers from the transmit data buffer to the
transmit shifter, leaving room for a new character in the buffer. To clear TDRE, read SCI1S1 with
TDRE = 1 and then write to the SCI data register (SCI1D).
1 = Transmit data register (buffer) empty.
0 = Transmit data register (buffer) full.
TC — Transmission Complete Flag
TC is set out of reset and when TDRE = 1 and no data, preamble, or break character is being
transmitted.
1 = Transmitter idle (transmission activity complete).
0 = Transmitter active (sending data, a preamble, or a break).
TC is cleared automatically by reading SCI1S1 with TC = 1 and then doing one of the following:
Write to the SCI data register (SCI1D) to transmit new data
Queue a preamble by changing TE from 0 to 1
Queue a break character by writing 1 to SBK in SCI1C2
RDRF — Receive Data Register Full Flag
RDRF becomes set when a character transfers from the receive shifter into the receive data register
(SCI1D). To clear RDRF, read SCI1S1 with RDRF = 1 and then read the SCI data register (SCI1D).
1 = Receive data register full.
0 = Receive data register empty.
IDLE — Idle Line Flag
IDLE is set when the SCI receive line becomes idle for a full character time after a period of activity.
When ILT = 0, the receiver starts counting idle bit times after the start bit. So if the receive character
is all 1s, these bit times and the stop bit time count toward the full character time of logic high (10 or
11 bit times depending on the M control bit) needed for the receiver to detect an idle line. When
ILT = 1, the receiver doesn’t start counting idle bit times until after the stop bit. So the stop bit and any
logic high bit times at the end of the previous character do not count toward the full character time of
logic high needed for the receiver to detect an idle line.
To clear IDLE, read SCI1S1 with IDLE = 1 and then read the SCI data register (SCI1D). After IDLE
has been cleared, it cannot become set again until after a new character has been received and RDRF
has been set. IDLE will be set only once even if the receive line remains idle for an extended period.
1 = Idle line was detected.
0 = No idle line detected.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC9S08RD60CDWE | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO28 |
| MC9S08RC32CFJ | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| MC9S08SE8MTGE | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO16 |
| MC9S08SE8MRLE | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP28 |
| MC9S08SE8CWLE | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC9S08RC8CFJE | 功能描述:IC MCU 8K FLASH 8MHZ 32-LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:S08 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(chǔ)器容量:8KB（8K x 8） 程序存儲(chǔ)器類(lèi)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(chēng):864285 |
| MC9S08RC8CPE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC8DWE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC8FDE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC8FG | 制造商:Rochester Electronics LLC 功能描述:8 BIT,8K FLASH - Bulk |
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