- 您现在的位置：买卖IC网 > PDF目录381510 > AT90S4414-8AC (ATMEL CORP) -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash PDF资料下载
参数资料
| 型号： | AT90S4414-8AC |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| 中文描述： | 8-BIT, FLASH, RISC MICROCONTROLLER, PQFP44 |
| 封装： | 1 MM HEIGHT, PLASTIC, MS-026ACB, TQFP-44 |
| 文件页数： | 3/10页 |
| 文件大小： | 736K |
| 代理商： | AT90S4414-8AC |
AT90S4414
3
Pin Descriptions
VCC
Supply voltage
GND
Ground
Port A (PA7..PA0
)
Port A is an 8-bit bidirectional I/O port. Port pins can pro-
vide internal pull-up resistors (selected for each bit). The
Port A output buffers can sink 20mA and can drive LED dis-
plays directly. When pins PA0 to PA7 are used as inputs
and are externally pulled low, they will source current if the
internal pull-up resistors are activated.
Port A serves as Multiplexed Address/Data input/output
when using external SRAM.
Port B (PB7..PB0)
Port B is an 8-bit bidirectional I/O pins with internal pull-up
resistors. The Port B output buffers can sink 20 mA. As
inputs, Port B pins that are externally pulled low will source
current if the pull-up resistors are activated.
Port B also serves the functions of various special features
of the AT90S4414 as listed on page 45.
Port C (PC7..PC0)
Port C is an 8-bit bidirectional I/O port with internal pull-up
resistors. The Port C output buffers can sink 20 mA. As
inputs, Port C pins that are externally pulled low will source
current if the pull-up resistors are activated.
Port C also serves as Address output when using external
SRAM.
Port D (PD7..PD0)
Port D is an 8-bit bidirectional I/O port with internal pull-up
resistors. The Port D output buffers can sink 20 mA. As
inputs, Port D pins that are externally pulled low will source
current if the pull-up resistors are activated.
Port D also serves the functions of various special features
of the AT90S4414 as listed on page 51.
RESET
Reset input. A low on this pin for two machine cycles while
the oscillator is running resets the device.
XTAL1
Input to the inverting oscillator amplifier and input to the
internal clock operating circuit.
XTAL2
Output from the inverting oscillator amplifier
ICP
ICP is the input pin for the Timer/Counter1 Input Capture
function.
OC1B
OC1B is the output pin for the Timer/Counter1 Output
CompareB function
ALE
ALE is the Address Latch Enable used when the External
Memory is enabled. The ALE strobe is used to latch the
low-order address (8 bits) into an address latch during the
first access cycle, and the AD0-7 pins are used for data
during the second access cycle.
Crystal Oscillator
XTAL1 and XTAL2 are input and output, respectively, of an
inverting amplifier which can be configured for use as an
on-chip oscillator, as shown in Figure 2. Either a quartz
crystal or a ceramic resonator may be used. To drive the
device from an external clock source, XTAL2 should be left
unconnected while XTAL1 is driven as shown in Figure 3.
Figure 2.
Oscillator Connections
Figure 3.
External Clock Drive Configuration
相关PDF资料 |
PDF描述 |
|---|---|
| AT90S4414-8AI | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S4414-8JC | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S4414-8JI | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S4414-8PC | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
| AT90S4414-8PI | -bit AVR Microcontroller with 8K Bytes In- System Programmable Flash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT90S4414-8AI | 功能描述:8位微控制器 -MCU _ 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 |
| AT90S4414-8JC | 功能描述:8位微控制器 -MCU 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 |
| AT90S4414-8JI | 制造商:Atmel Corporation 功能描述:MicroController, 8-Bit, 44 Pin, Plastic, PLCC |
| AT90S4414-8PC | 功能描述:8位微控制器 -MCU _ 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 |
| AT90S4414-8PI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Bit Microcontroller with 4K bytes In-System Programmable Flash |
发布紧急采购，3分钟左右您将得到回复。