參數(shù)資料
型號(hào): DSPB56371AF150
廠商: Freescale Semiconductor
文件頁數(shù): 7/68頁
文件大?。?/td> 0K
描述: IC DSP 24BIT 150MHZ 80-LQFP
標(biāo)準(zhǔn)包裝: 90
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)鐘速率: 150MHz
非易失內(nèi)存: ROM(384 kB)
芯片上RAM: 264kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 1.25V
工作溫度: -40°C ~ 115°C
安裝類型: 表面貼裝
封裝/外殼: 80-LQFP
供應(yīng)商設(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
Signal/Connection Descriptions
DSP56371 Data Sheet, Rev. 4.1
Freescale Semiconductor
15
3.6
Interrupt and Mode Control
The interrupt and mode control signals select the chip’s operating mode as it comes out of hardware reset.
After RESET is deasserted, these inputs are hardware interrupt request lines.
Table 6. Interrupt and Mode Control
Signal Name
Type
State
During
Reset
Signal Description
MODA/IRQA
Input
Mode Select A/External Interrupt Request A—MODA/IRQA is an active-low
Schmitt-trigger input, internally synchronized to the DSP clock. MODA/IRQA
selects the initial chip operating mode during hardware reset and becomes a
level-sensitive or negative-edge-triggered, maskable interrupt request input
during normal instruction processing. MODA, MODB, MODC and MODD select
one of 16 initial chip operating modes, latched into the OMR when the RESET
signal is deasserted. If the processor is in the stop standby state and the
MODA/IRQA pin is pulled to GND, the processor will exit the stop state.
Internal Pull up resistor.
This input is 5 V tolerant.
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