参数资料
型号: AT32UC3A464-C1UR
厂商: Atmel
文件页数: 11/94页
文件大小: 0K
描述: IC MCU 64K FLASH 100VFBGA
产品培训模块: AVR® UC3 Introduction
标准包装: 1
系列: AVR®32 UC3 A4
核心处理器: AVR
芯体尺寸: 32-位
速度: 66MHz
连通性: EBI/EMI,I²C,IrDA,MMC,SPI,SSC,UART/USART,USB OTG
外围设备: 欠压检测/复位,DMA,POR,WDT
输入/输出数: 88
程序存储器容量: 64KB(64K x 8)
程序存储器类型: 闪存
RAM 容量: 128K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 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: 100-VFBGA
包装: 标准包装
其它名称: AT32UC3A464-C1URDKR
19
32072SH–AVR32–10/2012
AT32UC3A3
3.4
I/O Line Considerations
3.4.1
JTAG Pins
TMS and TDI pins have pull-up resistors. TDO pin is an output, driven at up to VDDIO, and has
no pull-up resistor.
3.4.2
RESET_N Pin
The RESET_N pin is a schmitt input and integrates a permanent pull-up resistor to VDDIO. As
the product integrates a power-on reset cell, the RESET_N pin can be left unconnected in case
no reset from the system needs to be applied to the product.
3.4.3
TWI Pins
When these pins are used for TWI, the pins are open-drain outputs with slew-rate limitation and
inputs with inputs with spike filtering. When used as GPIO pins or used for other peripherals, the
pins have the same characteristics as other GPIO pins.
3.4.4
GPIO Pins
All the I/O lines integrate a programmable pull-up resistor
. Programming of this pull-up resistor is
performed independently for each I/O line through the I/O Controller. After reset, I/O lines default
as inputs with pull-up resistors disabled, except when indicated otherwise in the column “Reset
State” of the I/O Controller multiplexing tables.
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