参数资料
型号: ATMEGA103-6AI
厂商: Atmel
文件页数: 106/141页
文件大小: 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
产品培训模块: megaAVR Introduction
标准包装: 90
系列: AVR® ATmega
核心处理器: AVR
芯体尺寸: 8-位
速度: 6MHz
连通性: SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 128KB(64K x 16)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 4K x 8
电压 - 电源 (Vcc/Vdd): 4 V ~ 5.5 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-TQFP
包装: 托盘
配用: ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
67
ATmega103(L)
0945I–AVR–02/07
Figure 41. UART Transmitter
On the baud rate clock following the transfer operation to the Shift Register, the start bit
is shifted out on the TXD pin, followed by the data, LSB first. When the stop bit has been
shifted out, the Shift Register is loaded if any new data has been written to the UDR dur-
ing the transmission. During loading, UDRE is set. If there is no new data in the UDR
Register to send when the stop bit is shifted out, the UDRE Flag will remain set. In this
case, after the stop bit has been present on TXD for one bit length, the TX Complete
Flag (TXC) in USR is set.
The TXEN bit in UCR enables the UART Transmitter when set (one). When this bit is
cleared (zero), the PE1 pin can be used for general I/O. When TXEN is set, the UART
Transmitter will be connected to PE1, which is forced to be an output pin regardless of
the setting of the DDE1 bit in DDRE.
DATA BUS
UART I/O DATA
REGISTER (UDR)
10(11)-BIT TX
SHIFT REGISTER
UART CONTROL
REGISTER (UCR)
CONTROL LOGIC
UART STATUS
REGISTER (USR)
BAUD RATE
GENERATOR
XTAL
TXB8
RXB8
TXEN
CHR9
RXEN
TXC
TXCIE
RXCIE
UDRIE
UDRE
RXC
FE
OR
UDRE
/16
UDRE
IRQ
TXC
IRQ
SHIFT ENABLE
STORE UDR
1
IDLE
BAUD
BAUD x 16
PIN CONTROL
LOGIC
TXD
相关PDF资料
PDF描述
ATMEGA128A-AUR MCU AVR 128K FLASH 16MHZ 64TQFP
ATMEGA128L-8MJ IC MCU AVR 128K 8MHZ LV 64-QFN
ATMEGA16-16MUR MCU AVR 16KB FLASH 16MHZ 44QFN
ATMEGA164PA-AN IC MCU AVR 16K FLASH 44TQFP
ATMEGA164PA-CUR MCU AVR 16KB FLASH 20MHZ 49VFBGA
相关代理商/技术参数
参数描述
ATMEGA103L 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 128K Bytes In-System Programmable Flash
ATMEGA103L-4AC 功能描述:8位微控制器 -MCU TQFP-64 128K FLASH 3 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
ATMEGA103L-4AI 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Bit Microcontroller with 64K/128K Bytes In-System Programmable Flash
ATMEGA128 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with 128K Bytes In-System Programmable Flash
ATMEGA128(L) 制造商:未知厂家 制造商全称:未知厂家 功能描述:ATmega128(L) Preliminary Summary [Updated 9/03. 23 Pages]