參數(shù)資料
型號: AT91M42800A-33CJ-999
廠商: Atmel
文件頁數(shù): 11/27頁
文件大?。?/td> 0K
描述: IC MCU 32BIT RISC 144BGA
標(biāo)準(zhǔn)包裝: 1
系列: AT91
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 33MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 54
程序存儲器類型: ROMless
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LFBGA
包裝: 剪切帶 (CT)
其它名稱: AT91M42800A-33CJ-999CT
19
1779ES–ATARM–14-Apr-06
AT91M42800A
internal interrupt signal that can be programmed to generate processor interrupts via the AIC
(Advanced Interrupt Controller).
The Timer/Counter block has two global registers that act upon all three TC channels. The Block
Control Register allows the three channels to be started simultaneously with the same instruc-
tion. The Block Mode Register defines the external clock inputs for each Timer/Counter channel,
allowing them to be chained.
Each Timer/Counter block operates independently and has a complete set of block and channel
registers.
8.5.3
SPI: Serial Peripheral Interface
The AT91M42800A includes two SPIs that provide communication with external devices in Mas-
ter or Slave mode. They are independent, and are referred to by the letters A and B. Each SPI
has four external chip selects that can be connected to up to 15 devices. The data length is pro-
grammable from 8- to 16-bit.
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