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| 型号： | MC68HC705C9AFNE |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 84/118页 |
| 文件大小： | 0K |
| 描述： | IC MCU 8BIT 44-PLCC |
| 标准包装： | 26 |
| 系列： | HC05 |
| 核心处理器： | HC05 |
| 芯体尺寸： | 8-位 |
| 速度： | 2.1MHz |
| 连通性： | SCI，SPI |
| 外围设备： | POR，WDT |
| 输入/输出数： | 24 |
| 程序存储器容量： | 16KB（16K x 8） |
| 程序存储器类型： | OTP |
| RAM 容量： | 352 x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 3 V ~ 5.5 V |
| 振荡器型： | 内部 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 44-LCC（J 形引线） |
| 包装： | 管件 |
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Serial Communications Interface (SCI)
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
68
Freescale Semiconductor
TDRE — Transmit Data Register Empty Flag
This clearable, read-only flag is set when the data in the SCDR transfers to the transmit shift register.
TDRE generates an interrupt request if the TIE bit in SCCR2 is also set. Clear the TDRE bit by reading
the SCSR with TDRE set and then writing to the SCDR. Reset sets the TDRE bit. Software must
initialize the TDRE bit to logic 0 to avoid an instant interrupt request when turning the transmitter on.
1 = SCDR data transferred to transmit shift register
0 = SCDR data not transferred to transmit shift register
TC — Transmission Complete Flag
This clearable, read-only flag is set when the TDRE bit is set, and no data, preamble, or break
character is being transmitted. TDRE generates an interrupt request if the TCIE bit in SCCR2 is also
set. Clear the TC bit by reading the SCSR with TC set, and then writing to the SCDR. Reset sets the
TC bit. Software must initialize the TC bit to logic 0 to avoid an instant interrupt request when turning
the transmitter on.
1 = No transmission in progress
0 = Transmission in progress
RDRF — Receive Data Register Full Flag
This clearable, read-only flag is set when the data in the receive shift register transfers to the SCI data
register. RDRF generates an interrupt request if the RIE bit in the SCCR2 is also set. Clear the RDRF
bit by reading the SCSR with RDRF set and then reading the SCDR.
1 = Received data available in SCDR
0 = Received data not available in SCDR
IDLE — Receiver Idle Flag
This clearable, read-only flag is set when 10 or 11 consecutive logic 1s appear on the receiver input.
IDLE generates an interrupt request if the ILIE bit in the SCCR2 is also set. Clear the ILIE bit by reading
the SCSR with IDLE set and then reading the SCDR.
1 = Receiver input idle
0 = Receiver input not idle
OR — Receiver Overrun Flag
This clearable, read-only flag is set if the SCDR is not read before the receive shift register receives
the next word. OR generates an interrupt request if the RIE bit in the SCCR2 is also set. The data in
the shift register is lost, but the data already in the SCDR is not affected. Clear the OR bit by reading
the SCSR with OR set and then reading the SCDR.
1 = Receive shift register full and RDRF = 1
0 = No receiver overrun
NF — Receiver Noise Flag
This clearable, read-only flag is set when noise is detected in data received in the SCI data register.
Clear the NF bit by reading the SCSR and then reading the SCDR.
1 = Noise detected in SCDR
0 = No noise detected in SCDR
$0010
Bit 7
6543
2
1
Bit 0
Read:
TDRE
TC
RDRF
IDLE
OR
NF
FE
Write:
Reset:
11000
0
—
= Unimplemented
Figure 9-11. SCI Status Register (SCSR)
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相关代理商/技术参数 |
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| MC68HC705C9AVFNE | 功能描述:8位微控制器 -MCU 8B MCU 352 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| MC68HC705E6CDW | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705G1B | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC68HC705J1A | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705J1ACDW | 功能描述:IC MCU 4MHZ 1.2K OTP 20-SOIC RoHS:否 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有关文件:STM32F101T8 View All Specifications 特色产品:STM32 32-bit Cortex MCUs 标准包装:490 系列:STM32 F1 核心处理器:ARM? Cortex?-M3 芯体尺寸:32-位 速度:36MHz 连通性:I²C，IrDA，LIN，SPI，UART/USART 外围设备:DMA，PDR，POR，PVD，PWM，温度传感器，WDT 输入/输出数:26 程序存储器容量:64KB（64K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:10K x 8 电压 - 电源 (Vcc/Vdd):2 V ~ 3.6 V 数据转换器:A/D 10x12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:36-VFQFN，36-VFQFPN 包装:托盘 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名称:497-9032STM32F101T8U6-ND |
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