root@rk3566-buildroot:/proc# cat cpuinfo
cat /proc/cpuinfo
20250320在荣品的PRO-RK3566开发板的buildroot系统下使用cpuinfo查看CPU信息
2025/3/20 10:07
缘起：有些时候需要针对CPU做一些事情。
比如如果CPU里面有序列号SN号。
可以让应用程序根据序列号SN号进行锁定。
参考资料：
https://blog.csdn.net/WuDan_1112/article/details/125263339?ops_request_misc=%257B%2522request%255Fid%2522%253A%25222a526234f8898e0be130f53ebbd10ae8%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=2a526234f8898e0be130f53ebbd10ae8&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-1-125263339-null-null.142^v102^pc_search_result_base6&utm_term=cpuinfo&spm=1018.2226.3001.4187
https://blog.csdn.net/WuDan_1112/article/details/125263339
cpu调优----cpuinfo命令
完整的调试LOG：
root@rk3566-buildroot:/#
root@rk3566-buildroot:/#
root@rk3566-buildroot:/# ll
total 73356
drwxr-xr-x 23 root root 4096 Jan 1 20:00 ./
drwxr-xr-x 23 root root 4096 Jan 1 20:00 ../
drwxr-xr-x 4 root root 4096 Jan 1 2021 .cache/
-rw-r--r-- 1 root root 0 Mar 19 2025 .resized
-rw-r--r-- 1 root root 0 Mar 13 2024 .skip_fsck
-rw-r--r-- 1 root root 9460034 Jan 1 2021 1080p-yuv300.mp4
lrwxrwxrwx 1 root root 7 Jul 1 2024 bin -> usr/bin/
-rw-r--r-- 1 root root 489 May 21 2024 busybox.fragment
lrwxrwxrwx 1 root root 8 Jul 2 2024 data -> userdata/
drwxr-xr-x 15 root root 4880 Jan 1 20:00 dev/
drwxr-xr-x 25 root root 4096 Jan 1 2021 etc/
drwxr-xr-x 2 root root 4096 Jul 2 2024 info/
lrwxrwxrwx 1 root root 7 Jul 1 2024 lib -> usr/lib/
lrwxrwxrwx 1 root root 3 Jul 1 2024 lib64 -> lib/
lrwxrwxrwx 1 root root 11 Jul 1 2024 linuxrc -> bin/busybox*
drwx------ 2 root root 16384 Jul 2 2024 lost+found/
drwxr-xr-x 11 root root 4096 Jul 1 2024 media/
drwxr-xr-x 5 root root 4096 Jul 2 2024 mnt/
drwxr-xr-x 2 root root 4096 Jul 1 2024 oem/
drwxr-xr-x 3 root root 4096 Jul 1 2024 opt/
-rw-r--r-- 1 root root 65542523 Jan 1 2021 output1.avi
dr-xr-xr-x 233 root root 0 Jan 1 20:00 proc/
drwxr-xr-x 16 root root 4096 Jul 2 2024 rockchip-test/
drwx------ 2 root root 4096 Mar 13 2024 root/
drwxr-xr-x 7 root root 4096 May 22 2024 rp_stress_test/
drwxr-xr-x 31 root root 4096 Jun 20 2024 rp_test/
drwxr-xr-x 11 root root 560 Jan 1 20:00 run/
lrwxrwxrwx 1 root root 8 Jul 1 2024 sbin -> usr/sbin/
lrwxrwxrwx 1 root root 10 Jul 2 2024 sdcard -> mnt/sdcard/
dr-xr-xr-x 15 root root 0 Jan 1 20:00 sys/
drwxr-xr-x 3 root root 4096 Jul 2 2024 system/
drwxrwxrwt 6 root root 280 Jan 1 20:00 tmp/
-rwxrwxrwx 1 root root 18608 Jun 11 2024 uart_test*
lrwxrwxrwx 1 root root 9 Jul 2 2024 udisk -> mnt/udisk/
drwxr-xr-x 3 root root 4096 Mar 19 2025 userdata/
drwxr-xr-x 8 root root 4096 Jul 2 2024 usr/
drwxr-xr-x 6 root root 4096 Jul 2 2024 var/
lrwxrwxrwx 1 root root 6 Jul 2 2024 vendor -> system/
root@rk3566-buildroot:/#
root@rk3566-buildroot:/# cd /proc/
root@rk3566-buildroot:/proc#
root@rk3566-buildroot:/proc# ll
total 4
dr-xr-xr-x 233 root root 0 Jan 1 20:00 ./
drwxr-xr-x 23 root root 4096 Jan 1 20:00 ../
dr-xr-xr-x 9 root root 0 Jan 1 20:00 1/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 10/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1006/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1013/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1014/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1022/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1037/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1042/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 1045/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 11/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 116/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 117/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 118/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 119/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 12/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 121/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 122/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 123/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 124/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 125/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 126/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 127/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 128/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 129/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 13/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 130/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 131/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 132/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 133/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 134/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 135/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 136/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 137/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1370/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 138/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 139/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 14/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 140/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 141/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 142/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 143/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 144/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 145/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1453/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 146/
dr-xr-xr-x 9 root root 0 Jan 1 20:04 1462/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 147/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 148/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 149/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 15/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 150/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 152/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 153/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 154/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 155/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 156/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 157/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 158/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 159/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 16/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 160/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 161/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 162/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 163/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 164/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 165/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 166/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 167/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 168/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 169/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 17/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 170/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 171/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 172/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 173/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 174/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 175/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 176/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 177/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 178/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 179/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 18/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 180/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 182/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 183/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 184/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 185/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 186/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 187/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 188/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 189/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 19/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 190/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 191/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 192/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 197/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 198/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 2/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 20/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 21/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 22/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 23/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 24/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 25/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 26/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 260/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 261/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 27/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 279/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 28/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 286/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 29/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 290/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 3/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 30/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 307/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 31/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 32/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 33/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 334/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 34/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 35/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 352/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 36/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 37/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 38/
dr-xr-xr-x 9 dbus dbus 0 Jan 1 20:00 382/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 4/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 405/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 484/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 5/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 565/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 591/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 6/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 610/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 614/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 653/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 659/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 7/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 8/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 808/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 83/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 84/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 85/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 86/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 87/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 88/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 89/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 9/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 90/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 91/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 92/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 93/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 939/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 94/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 941/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 949/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 95/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 96/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 961/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 962/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 964/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 965/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 966/
dr-xr-xr-x 9 root root 0 Jan 1 20:00 967/
dr-xr-xr-x 13 root root 0 Jan 1 20:00 asound/
dr-xr-xr-x 3 root root 0 Jan 1 20:00 bluetooth/
-r--r--r-- 1 root root 0 Jan 1 20:04 buddyinfo
dr-xr-xr-x 4 root root 0 Jan 1 20:04 bus/
-r--r--r-- 1 root root 0 Jan 1 20:04 cgroups
-r--r--r-- 1 root root 0 Jan 1 20:00 cmdline
-r--r--r-- 1 root root 44221 Jan 1 20:04 config.gz
-r--r--r-- 1 root root 0 Jan 1 20:04 consoles
-r--r--r-- 1 root root 0 Jan 1 20:04 cpuid
-r--r--r-- 1 root root 0 Jan 1 20:00 cpuinfo
-r--r--r-- 1 root root 0 Jan 1 20:04 crypto
lrwxrwxrwx 1 root root 29 Jan 1 20:00 device-tree -> /sys/firmware/devicetree/base/
-r--r--r-- 1 root root 0 Jan 1 20:04 devices
-r--r--r-- 1 root root 0 Jan 1 20:04 diskstats
dr-xr-xr-x 3 root root 0 Jan 1 20:04 driver/
dr-xr-xr-x 3 root root 0 Jan 1 20:04 dynamic_debug/
-r--r--r-- 1 root root 0 Jan 1 20:04 execdomains
-r--r--r-- 1 root root 0 Jan 1 20:04 fb
-r--r--r-- 1 root root 0 Jan 1 20:04 filesystems
dr-xr-xr-x 8 root root 0 Jan 1 20:04 fs/
-r--r--r-- 1 root root 0 Jan 1 20:04 iep
-r--r--r-- 1 root root 0 Jan 1 20:00 interrupts
-r--r--r-- 1 root root 0 Jan 1 20:04 iomem
-r--r--r-- 1 root root 0 Jan 1 20:04 ioports
dr-xr-xr-x 89 root root 0 Jan 1 20:00 irq/
-r--r--r-- 1 root root 0 Jan 1 20:04 kallsyms
-r--r--r-- 1 root root 0 Jan 1 20:04 key-users
-r--r--r-- 1 root root 0 Jan 1 20:04 keys
-r-------- 1 root root 0 Jan 1 20:04 kmsg
-r-------- 1 root root 0 Jan 1 20:04 kpagecgroup
-r-------- 1 root root 0 Jan 1 20:04 kpagecount
-r-------- 1 root root 0 Jan 1 20:04 kpageflags
-r--r--r-- 1 root root 0 Jan 1 20:04 loadavg
-r--r--r-- 1 root root 0 Jan 1 20:04 locks
-r--r--r-- 1 root root 0 Jan 1 20:04 meminfo
-r--r--r-- 1 root root 0 Jan 1 20:04 misc
-r--r--r-- 1 root root 0 Jan 1 20:04 modules
lrwxrwxrwx 1 root root 11 Jan 1 20:04 mounts -> self/mounts
dr-xr-xr-x 13 root root 0 Jan 1 20:04 mpp_service/
-r--r--r-- 1 root root 0 Jan 1 20:00 mtd
lrwxrwxrwx 1 root root 8 Jan 1 20:00 net -> self/net/
-r-------- 1 root root 0 Jan 1 20:04 pagetypeinfo
-r--r--r-- 1 root root 0 Jan 1 20:04 partitions
dr-xr-xr-x 6 root root 0 Jan 1 20:04 rk_dmabuf/
-r--r--r-- 1 root root 0 Jan 1 20:04 rkisp-vir0
dr-xr-xr-x 13 root root 0 Jan 1 20:04 rp_gpio/
dr-xr-xr-x 7 root root 0 Jan 1 20:04 rp_power/
dr-xr-xr-x 3 root root 0 Jan 1 20:00 rp_system_flag/
dr-xr-xr-x 3 root root 0 Jan 1 20:04 rp_wakeup/
-r--r--r-- 1 root root 0 Jan 1 20:04 sched_debug
-r--r--r-- 1 root root 0 Jan 1 20:04 schedstat
dr-xr-xr-x 4 root root 0 Jan 1 20:04 scsi/
lrwxrwxrwx 1 root root 0 Jan 1 20:00 self -> 1462/
-r-------- 1 root root 0 Jan 1 20:04 slabinfo
-r--r--r-- 1 root root 0 Jan 1 20:04 softirqs
-r--r--r-- 1 root root 0 Jan 1 20:00 stat
-r--r--r-- 1 root root 0 Jan 1 20:04 swaps
dr-xr-xr-x 1 root root 0 Jan 1 20:00 sys/
--w------- 1 root root 0 Jan 1 20:04 sysrq-trigger
dr-xr-xr-x 5 root root 0 Jan 1 20:04 sysvipc/
lrwxrwxrwx 1 root root 0 Jan 1 20:00 thread-self -> 1462/task/1462/
-r-------- 1 root root 0 Jan 1 20:04 timer_list
dr-xr-xr-x 6 root root 0 Jan 1 20:04 tty/
-r--r--r-- 1 root root 0 Jan 1 20:04 uptime
-r--r--r-- 1 root root 0 Jan 1 20:04 version
-r-------- 1 root root 0 Jan 1 20:04 vmallocinfo
-r--r--r-- 1 root root 0 Jan 1 20:04 vmstat
-r--r--r-- 1 root root 0 Jan 1 20:04 zoneinfo
root@rk3566-buildroot:/proc#
root@rk3566-buildroot:/proc#
root@rk3566-buildroot:/proc# cat cpuinfo
processor : 0
BogoMIPS : 48.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x2
CPU part : 0xd05
CPU revision : 0
processor : 1
BogoMIPS : 48.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x2
CPU part : 0xd05
CPU revision : 0
processor : 2
BogoMIPS : 48.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x2
CPU part : 0xd05
CPU revision : 0
processor : 3
BogoMIPS : 48.00
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x2
CPU part : 0xd05
CPU revision : 0
Serial : 2c4562ba3bfb1c7d
root@rk3566-buildroot:/proc#
root@rk3566-buildroot:/proc# /bin/list-iodomain.sh version: V1.0.1
Get CHIP ID: rk356x
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXX PLEASE CHECK IO-DOMAIN !!!!!!!!!!!!!!!
XXXXXXXXXX 请务必检查IO电源域配置 !!!!!!!!!!!!!!!
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Get IO DOMAIN VALUE:
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
注意事项：PMUIO1/PMUIO2 固定不可配
VCCIO2电平由硬件FLASH_VOL_SEL决定:
当VCCIo2供电是1.8V,则FLASH_VOL_SEL管脚必须保持为高电平;
当VCCIO2供电是3.3V,则FLASH_VOL_SEL管脚必须保持为低电平;
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
pmuio2_vsel: 3.3V
vccio7_vsel: 3.3V
vccio6_vsel: 1.8V
vccio5_vsel: 3.3V
vccio4_vsel: 3.3V
vccio3_vsel: 3.3V
vccio2_vsel: 3.3V
vccio1_vsel: 3.3V
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
