|
楼主 |
发表于 2012-6-6 13:34:24
|
显示全部楼层
我今天在U-BOOT上加入了pinmux的值显示,显示pinmux(2)的值为0x0,这时AXR3-5应该是高阻态此时,但为何会有3.3v电压呢?
AM1808 initialization passed!
Booting TI User Boot Loader
UBL Version: 1.65
UBL Flashtype: NAND
Starting NAND Copy...
Valid magicnum, 0x55424CBB, found in block 0x00000006.
DONE
.ere is pinmux(19): is 0x808000.000.
here is pinmux(2): 0x0.
NAND: 128 MiB
MMC: davinci: 0
Bad block table found at page 65472, version 0x01
Bad block table found at page 65408, version 0x01
In: serial
Out: serial
Err: serial
ARM Clock : 456000000 Hz
DDR Clock : 150000000 Hz
here is pinmux(19)1: is 0x808000.
here is pinmux(2)1: 0x0.
Net: Ethernet PHY: GENERIC @ 0x00
DaVinci-EMAC
Hit any key to stop autoboot: 0
reading boot.scr
|
|