参数资料
型号: TMX20F2810PBKAEP
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: Digital Signal Processors
中文描述: 数字信号处理器
文件页数: 103/159页
文件大小: 2084K
代理商: TMX20F2810PBKAEP
Electrical Specifications
103
March 2004 Revised October 2004
SGUS051A
XCLKIN/8
(XCLKIN * 5)
th(XPLLDIS)
th(XMP/MC)
th(boot-mode)
tw(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
User-Code Dependent
User-Code Execution Phase
(Don’t Care)
(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.
td(EX)
tsu(XPLLDIS)
Figure 611. Warm Reset in Microcomputer Mode
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