參數(shù)資料
型號(hào): TMP320R2811PBKQ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述: TMS320R2811,TMS320R2812數(shù)字信號(hào)處理器
文件頁數(shù): 95/147頁
文件大?。?/td> 2021K
代理商: TMP320R2811PBKQ
Electrical Specifications
95
June 2004
SPRS257
XCLKIN/8
(XCLKIN * 5)
t
h(XPLLDIS)
t
h(XMP/MC)
t
h(boot-mode)
t
w(RSL2)
XCLKIN
X1
XRS
XF/XPLLDIS
XMP/MC
Boot-Mode Pins
XCLKOUT
I/O Pins
Address/Data/
Control
Boot-ROM Execution Starts
User-Code Execution Starts
User-Code Dependent
(Don’t Care)
User-Code Dependent
User-Code Execution Phase
(Don’t Care)
(Don’t Care)
(Don’t Care)
User-Code Dependent
User-Code Execution
Peripheral/GPIO Function
User-Code Dependent
GPIO Pins as Input (State Depends on Internal PU/PD)
GPIO Pins as Input
GPIOF14/XF
XPLLDIS Sampling
GPIOF14
Peripheral/GPIO Function
After reset, the Boot ROM code executes instructions for 1260 SYSCLKOUT cycles (SYSCLKOUT = XCLKIN/2) and then samples BOOT
Mode pins. Based on the status of the Boot Mode pin, the boot code branches to destination memory or boot code function in ROM. The
BOOT Mode pins should be held high/low for at least 2520 XCLKIN cycles from boot ROM execution time for proper selection of Boot
modes.
If Boot ROM code executes after power-on conditions (in debugger environment), the Boot code execution time is based on the current
SYSCLKOUT speed. The SYSCLKOUT will be based on user environment and could be with or without PLL enabled.
t
d(EX)
t
su(XPLLDIS)
Figure 6
8. Warm Reset in Microcomputer Mode
A
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