參數(shù)資料
型號(hào): EB402
英文描述: EB402 Evaluation Board user's guide 7/01
中文描述: EB402評(píng)估板用戶(hù)指南7月1日
文件頁(yè)數(shù): 13/84頁(yè)
文件大?。?/td> 1014K
代理商: EB402
2-4
Installation
5.
Select the boot device. You may boot from either the on-board
external memory or the on-chip internal memory.
To boot from on-board external memory, install the IBOOT jumper,
JP3. Also, verify that the XBOOT jumper, JP18, is installed. The
position of JP18 determines whether ash memory or asynchronous
SRAM is the boot memory. To select SRAM, use a jumper to connect
pins 2–3 of JP18. To select ash memory, use a jumper to connect
pins 1–2 of JP18.
To boot from the LSI402ZX on-chip boot ROM, remove the jumper
at JP3.
6.
Verify that the HALT jumper, JP4, is not installed. Installing JP4
causes the DSP to halt.
7.
Verify that the GTN jumper, JP2, is not installed. Installing JP2
disables the LSI402ZX I/O drivers.
8.
Select the reference clock. You can choose either the on-board
oscillator or an external clock source.
To select the on-board 10 MHz oscillator for the LSI402ZX reference
clock, use a jumper to connect pins 1–2 of JP1.
To select an external clock for the LSI402ZX reference clock, use a
jumper to connect pins 2–3 of JP1. Connect the external clock to
BNC connector J4.
9.
Select the processor clock. You can select either the DSP PLL, or
CLKIN for the processor clock.
To select the output of the LSI402ZX PLL for the processor clock,
install the BYP jumper, JP12.
To bypass the PLL and select CLKIN for the processor clock,
remove JP12.
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