參數(shù)資料
型號(hào)： DSP56F826E
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： 16-bit Digital Signal Controllers
中文描述： 16位數(shù)字信號(hào)控制器
文件頁(yè)數(shù)： 17/56頁(yè)
文件大?。?/td> 700K
代理商： DSP56F826E
Signals and Package Information
56F826 Technical Data, Rev. 14
Freescale Semiconductor
17
IRQA
32
Input
(Schmitt)
External Interrupt Request A
—The IRQA input is a synchronized external
interrupt request that indicates that an external device is requesting service. It
can be programmed to be level-sensitive or negative-edge-triggered. If
level-sensitive triggering is selected, an external pull-up resistor is required for
wired-OR operation.
If the processor is in the Stop state and IRQA is asserted, the processor will exit
the Stop state.
IRQB
33
Input
(Schmitt)
External Interrupt Request B
—The IRQB input is an external interrupt request
that indicates that an external device is requesting service. It can be
programmed to be level-sensitive or negative-edge-triggered. If level-sensitive
triggering is selected, an external pull-up resistor is required for wired-OR
operation.
RESET
45
Input
(Schmitt)
Reset
—This input is a direct hardware reset on the processor. When RESET is
asserted low, the device is initialized and placed in the Reset state. A Schmitt
trigger input is used for noise immunity. When the RESET pin is deasserted, the
initial chip operating mode is latched from the external boot pin. The internal
reset signal will be deasserted synchronous with the internal clocks, after a fixed
number of internal clocks.
To ensure complete hardware reset, RESET and TRST should be asserted
together. The only exception occurs in a debugging environment when a
hardware device reset is required and it is necessary not to reset the
OnCE/JTAG module. In this case, assert RESET, but do not assert TRST.
EXTBOOT
25
Input
(Schmitt)
External Boot
—This input is tied to V
DD
to force device to boot from off-chip
memory. Otherwise, it is tied to ground.
Table 2-1 56F826 Signal and Package Information for the 100 Pin LQFP (Continued)
Signal
Name
Pin No.
Type
Description
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DSP56F826EVM 功能描述:開(kāi)發(fā)板和工具包 - 其他處理器 Evaluation Kit For DSP56F826 RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評(píng)估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓:
DSP56F826EVMUM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56F826 Evaluation Module Hardware User＇s Manual
DSP56F826PB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:56F826 16-Bit Hybrid Controller Product Brief
DSP56F826PBD 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Preliminary Technical Data DSP56F826 16-bit Digital Signal Processor
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