参数资料
型号: AT32UC3L032-ZAUT
厂商: Atmel
文件页数: 91/174页
文件大小: 0K
描述: IC MCU 32K FLASH 16K 48-VQFN
产品培训模块: MCU Product Line Introduction
AVR® UC3 Introduction
标准包装: 2,080
系列: AVR®32 UC3 L
核心处理器: AVR
芯体尺寸: 32-位
速度: 50MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 36
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 16K x 8
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 3.6 V
数据转换器: A/D 9x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 48-VFQFN 裸露焊盘
包装: 托盘
其它名称: 32UC3L032-ZAUT
32UC3L032-ZAUT-ND
42
32099I–01/2012
AT32UC3L016/32/64
7.3
Block Diagram
Figure 7-1.
PDCA Block Diagram
7.4
Product Dependencies
In order to use this module, other parts of the system must be configured correctly, as described
below.
7.4.1
Power Management
If the CPU enters a sleep mode that disables the PDCA clocks, the PDCA will stop functioning
and resume operation after the system wakes up from sleep mode.
7.4.2
Clocks
The PDCA has two bus clocks connected: One High Speed Bus clock (CLK_PDCA_HSB) and
one Peripheral Bus clock (CLK_PDCA_PB). These clocks are generated by the Power Man-
ager. Both clocks are enabled at reset, and can be disabled in the Power Manager. It is
recommended to disable the PDCA before disabling the clocks, to avoid freezing the PDCA in
an undefined state.
7.4.3
Interrupts
The PDCA interrupt request lines are connected to the interrupt controller. Using the PDCA
interrupts requires the interrupt controller to be programmed first.
HSB to PB
Bridge
Peripheral DMA
Controller
(PDCA)
Peripheral
0
High Speed
Bus Matrix
Handshake Interfaces
Per
ip
her
al
Bus
IRQ
HSB
Interrupt
Controller
Peripheral
1
Peripheral
2
Peripheral
(n-1)
...
Memory
HSB
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