TMS320C6657: 关于EMUMGT_CLKSPD的疑问

timer时钟来自SYSCLK7，默认是CPU主频的1/6。请看数据手册6.6.1.1 Internal Clocks and Maximum Operating Frequencies。

• SYSCLK7: 1/6-rate clock for slow peripherals (GPIO, UART, Timer, I 2C, SPI, EMIF16, McBSP, and so forth.) and sources the SYSCLKOUT output pin.